NP-MRD: Showing NP-Card for 4,7,13a-tris(acetyloxy)-2,9,9,12-tetramethyl-5-methylidene-13-oxo-3-(propanoyloxy)-1h,2h,3h,3ah,4h,6h,7h,8h,12h-cyclopenta[12]annulen-8-yl pyridine-3-carboxylate (NP0235091)

Jump To Section:

Identification Spectra BioTaxonomy ChemoTaxonomy Physical properties Links References XML

Record Information

Version

2.0

Created at

2022-09-06 17:31:23 UTC

Updated at

2022-09-06 17:31:23 UTC

NP-MRD ID

NP0235091

Secondary Accession Numbers

None

Natural Product Identification

Common Name

4,7,13a-tris(acetyloxy)-2,9,9,12-tetramethyl-5-methylidene-13-oxo-3-(propanoyloxy)-1h,2h,3h,3ah,4h,6h,7h,8h,12h-cyclopenta[12]annulen-8-yl pyridine-3-carboxylate

Description

4,7,13A-tris(acetyloxy)-2,9,9,12-tetramethyl-5-methylidene-13-oxo-3-(propanoyloxy)-1H,2H,3H,3aH,4H,5H,6H,7H,8H,9H,12H,13H,13aH-cyclopenta[12]annulen-8-yl pyridine-3-carboxylate belongs to the class of organic compounds known as jatrophane and cyclojatrophane diterpenoids. These are diterpenoids with a structure based on the jatrophane or the 9,13-jatrophane skeleton. Jatrophane can be derived from casbane by 6,10-cyclization and opening of the cyclopropane. Cyclojatrophane diterpenoids are based on the 9,13-cyclization of the jatrophane skeleton yields the 9,13-cyclojatrophane skeleton. 4,7,13a-tris(acetyloxy)-2,9,9,12-tetramethyl-5-methylidene-13-oxo-3-(propanoyloxy)-1h,2h,3h,3ah,4h,6h,7h,8h,12h-cyclopenta[12]annulen-8-yl pyridine-3-carboxylate is found in Euphorbia characias. 4,7,13A-tris(acetyloxy)-2,9,9,12-tetramethyl-5-methylidene-13-oxo-3-(propanoyloxy)-1H,2H,3H,3aH,4H,5H,6H,7H,8H,9H,12H,13H,13aH-cyclopenta[12]annulen-8-yl pyridine-3-carboxylate is a strong basic compound (based on its pKa).

Structure

MOL 3D MOL SDF PDB SMILES InChI


  Mrv1533004241507592D          

 47 49  0  0  0  0            999 V2000
   -0.9825    1.0645    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.2269    0.7333    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.1360   -0.0867    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.8007   -0.5754    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    0.6196   -0.4180    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    0.7105   -1.2379    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.1006   -1.7935    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.7074   -1.6265    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.4404   -2.5452    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.2604   -2.4543    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.0099   -3.2403    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    0.2040   -3.4165    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.0465   -4.2025    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
   -0.3516   -2.8066    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.4273   -1.6463    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.2105   -1.3869    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.5942   -0.8384    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    1.7611   -0.0305    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.1449    0.5181    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    2.5443    0.2290    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.3774   -0.5790    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.2012    0.2270    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    3.1605   -0.3196    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    3.7768   -0.8681    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.5599   -0.6087    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    4.7268    0.1993    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.1106    0.7478    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    5.5100    0.4587    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    3.6098   -1.6760    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.3930   -1.4166    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    5.0092   -1.9651    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.6852   -3.0858    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    5.7924   -1.7057    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    6.4086   -2.2542    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    7.1918   -1.9948    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    7.3587   -1.1869    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    6.7425   -0.6383    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0
    5.9593   -0.8978    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.2261   -2.2245    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    5.0277   -2.4196    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.8611   -2.7512    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.0592   -3.0325    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    3.2760   -3.2919    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.6598   -2.7434    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.8267   -1.9354    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.8766   -3.0028    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.7097   -3.8107    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  1  0  0  0  0
  2  3  1  0  0  0  0
  3  4  2  0  0  0  0
  3  5  1  0  0  0  0
  5  6  1  0  0  0  0
  6  7  1  0  0  0  0
  7  8  1  0  0  0  0
  7  9  1  0  0  0  0
  9 10  1  0  0  0  0
 10 11  1  0  0  0  0
 11 12  1  0  0  0  0
 12 13  2  0  0  0  0
 12 14  1  0  0  0  0
 10 15  1  0  0  0  0
  6 15  1  0  0  0  0
 15 16  1  0  0  0  0
 16 17  1  0  0  0  0
 17 18  1  0  0  0  0
 18 19  2  0  0  0  0
 18 20  1  0  0  0  0
 16 21  1  0  0  0  0
 21 22  2  0  0  0  0
 21 23  1  0  0  0  0
 23 24  1  0  0  0  0
 24 25  1  0  0  0  0
 25 26  1  0  0  0  0
 26 27  2  0  0  0  0
 26 28  1  0  0  0  0
 24 29  1  0  0  0  0
 29 30  1  0  0  0  0
 30 31  1  0  0  0  0
 31 32  2  0  0  0  0
 31 33  1  0  0  0  0
 33 34  2  0  0  0  0
 34 35  1  0  0  0  0
 35 36  2  0  0  0  0
 36 37  1  0  0  0  0
 37 38  2  0  0  0  0
 33 38  1  0  0  0  0
 29 39  1  0  0  0  0
 39 40  1  0  0  0  0
 39 41  1  0  0  0  0
 42 39  1  4  0  0  0
 42 43  2  0  0  0  0
 43 44  1  0  0  0  0
 44 45  1  0  0  0  0
 44 46  1  0  0  0  0
 10 46  1  0  0  0  0
 46 47  2  0  0  0  0
M  END

     RDKit          3D

 92 94  0  0  0  0  0  0  0  0999 V2000
   -1.4011   -0.7220   -1.9680 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.2555   -0.4490   -1.3549 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.3496    0.8461   -1.7144 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.6424    1.9601   -1.5375 C   0  0  2  0  0  0  0  0  0  0  0  0
   -0.1066    3.2351   -1.7894 O   0  0  0  0  0  0  0  0  0  0  0  0
   -0.4531    4.0627   -2.8100 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.1952    5.3830   -2.9587 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.3141    3.7145   -3.6210 O   0  0  0  0  0  0  0  0  0  0  0  0
   -1.3084    1.9498   -0.2081 C   0  0  2  0  0  0  0  0  0  0  0  0
   -2.6942    2.0673   -0.2342 O   0  0  0  0  0  0  0  0  0  0  0  0
   -3.5603    1.1179    0.2409 C   0  0  0  0  0  0  0  0  0  0  0  0
   -2.9832    0.1008    0.7121 O   0  0  0  0  0  0  0  0  0  0  0  0
   -5.0057    1.2534    0.2124 C   0  0  0  0  0  0  0  0  0  0  0  0
   -5.8254    0.2674    0.7031 C   0  0  0  0  0  0  0  0  0  0  0  0
   -7.2158    0.4080    0.6746 C   0  0  0  0  0  0  0  0  0  0  0  0
   -7.7859    1.5475    0.1490 C   0  0  0  0  0  0  0  0  0  0  0  0
   -6.9660    2.4989   -0.3255 N   0  0  0  0  0  0  0  0  0  0  0  0
   -5.6040    2.3746   -0.3041 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.8104    3.0271    0.7309 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.4424    2.7565    2.0775 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.4268    4.3877    0.3138 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.6408    3.1636    0.8352 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.5447    2.4110    1.3703 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.4158    1.1144    2.0807 C   0  0  2  0  0  0  0  0  0  0  0  0
    1.6378    1.4463    3.5649 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.4997    0.1606    1.6235 C   0  0  0  0  0  0  0  0  0  0  0  0
    3.6152    0.6538    1.6057 O   0  0  0  0  0  0  0  0  0  0  0  0
    2.2281   -1.2524    1.2309 C   0  0  2  0  0  0  0  0  0  0  0  0
    1.4204   -1.9274    2.1338 O   0  0  0  0  0  0  0  0  0  0  0  0
    1.6631   -2.0973    3.4692 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.7538   -2.8415    4.3977 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.7387   -1.5735    3.9032 O   0  0  0  0  0  0  0  0  0  0  0  0
    3.6180   -1.9118    1.1568 C   0  0  0  0  0  0  0  0  0  0  0  0
    3.3800   -3.1466    0.3124 C   0  0  2  0  0  0  0  0  0  0  0  0
    4.6445   -3.7612   -0.1818 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.4791   -2.6410   -0.7599 C   0  0  2  0  0  0  0  0  0  0  0  0
    3.0963   -2.4243   -1.9910 O   0  0  0  0  0  0  0  0  0  0  0  0
    2.7584   -2.9932   -3.1933 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.8109   -3.7850   -3.2210 O   0  0  0  0  0  0  0  0  0  0  0  0
    3.4810   -2.6991   -4.4634 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.8716   -3.4717   -5.6127 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.7824   -1.3825   -0.2084 C   0  0  1  0  0  0  0  0  0  0  0  0
    0.2923   -1.4512   -0.4125 C   0  0  1  0  0  0  0  0  0  0  0  0
   -0.4333   -1.6175    0.7570 O   0  0  0  0  0  0  0  0  0  0  0  0
   -1.1703   -2.7171    1.1200 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.9429   -2.8692    2.3718 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.1872   -3.6745    0.3134 O   0  0  0  0  0  0  0  0  0  0  0  0
   -1.9159   -0.0970   -2.6726 H   0  0  0  0  0  0  0  0  0  0  0  0
   -1.9247   -1.6805   -1.7704 H   0  0  0  0  0  0  0  0  0  0  0  0
    0.6176    0.7192   -2.8062 H   0  0  0  0  0  0  0  0  0  0  0  0
    1.2398    1.1265   -1.1279 H   0  0  0  0  0  0  0  0  0  0  0  0
   -1.4031    1.8018   -2.3519 H   0  0  0  0  0  0  0  0  0  0  0  0
   -0.2818    5.9615   -3.7782 H   0  0  0  0  0  0  0  0  0  0  0  0
    1.2732    5.2810   -3.2706 H   0  0  0  0  0  0  0  0  0  0  0  0
    0.2043    6.0062   -2.0655 H   0  0  0  0  0  0  0  0  0  0  0  0
   -1.0932    0.9844    0.2693 H   0  0  0  0  0  0  0  0  0  0  0  0
   -5.4476   -0.6435    1.1258 H   0  0  0  0  0  0  0  0  0  0  0  0
   -7.8766   -0.3569    1.0553 H   0  0  0  0  0  0  0  0  0  0  0  0
   -8.8791    1.6745    0.1181 H   0  0  0  0  0  0  0  0  0  0  0  0
   -4.9751    3.1607   -0.6957 H   0  0  0  0  0  0  0  0  0  0  0  0
   -2.4292    3.2865    2.1930 H   0  0  0  0  0  0  0  0  0  0  0  0
   -0.7746    3.2816    2.8188 H   0  0  0  0  0  0  0  0  0  0  0  0
   -1.5713    1.7160    2.3387 H   0  0  0  0  0  0  0  0  0  0  0  0
   -0.6056    5.0458   -0.0384 H   0  0  0  0  0  0  0  0  0  0  0  0
   -1.9034    4.9028    1.1438 H   0  0  0  0  0  0  0  0  0  0  0  0
   -2.1583    4.2755   -0.4830 H   0  0  0  0  0  0  0  0  0  0  0  0
    1.0458    4.0932    0.3583 H   0  0  0  0  0  0  0  0  0  0  0  0
    2.6106    2.7428    1.3193 H   0  0  0  0  0  0  0  0  0  0  0  0
    0.4579    0.6255    2.0246 H   0  0  0  0  0  0  0  0  0  0  0  0
    1.2837    2.4722    3.7325 H   0  0  0  0  0  0  0  0  0  0  0  0
    2.7137    1.3652    3.8214 H   0  0  0  0  0  0  0  0  0  0  0  0
    1.0044    0.7892    4.2000 H   0  0  0  0  0  0  0  0  0  0  0  0
   -0.0844   -2.2162    4.7080 H   0  0  0  0  0  0  0  0  0  0  0  0
    0.4597   -3.7856    3.8935 H   0  0  0  0  0  0  0  0  0  0  0  0
    1.3951   -3.1674    5.2638 H   0  0  0  0  0  0  0  0  0  0  0  0
    4.3630   -1.2224    0.7151 H   0  0  0  0  0  0  0  0  0  0  0  0
    3.9972   -2.2502    2.1125 H   0  0  0  0  0  0  0  0  0  0  0  0
    2.8727   -3.8803    0.9726 H   0  0  0  0  0  0  0  0  0  0  0  0
    5.5006   -3.1138    0.1160 H   0  0  0  0  0  0  0  0  0  0  0  0
    4.6215   -3.9716   -1.2747 H   0  0  0  0  0  0  0  0  0  0  0  0
    4.8325   -4.7532    0.3091 H   0  0  0  0  0  0  0  0  0  0  0  0
    1.6588   -3.3699   -0.9249 H   0  0  0  0  0  0  0  0  0  0  0  0
    4.5555   -2.8598   -4.3692 H   0  0  0  0  0  0  0  0  0  0  0  0
    3.2998   -1.6185   -4.6707 H   0  0  0  0  0  0  0  0  0  0  0  0
    1.7670   -3.5135   -5.5327 H   0  0  0  0  0  0  0  0  0  0  0  0
    3.1162   -3.0195   -6.5935 H   0  0  0  0  0  0  0  0  0  0  0  0
    3.2107   -4.5308   -5.6516 H   0  0  0  0  0  0  0  0  0  0  0  0
    2.2514   -0.5709   -0.8088 H   0  0  0  0  0  0  0  0  0  0  0  0
    0.1269   -2.4487   -0.9572 H   0  0  0  0  0  0  0  0  0  0  0  0
   -3.0418   -2.9092    2.1623 H   0  0  0  0  0  0  0  0  0  0  0  0
   -1.8101   -1.9981    3.0547 H   0  0  0  0  0  0  0  0  0  0  0  0
   -1.6865   -3.8335    2.8265 H   0  0  0  0  0  0  0  0  0  0  0  0
 41 40  1  0
 40 38  1  0
 38 39  2  0
 38 37  1  0
 37 36  1  0
 36 34  1  0
 34 35  1  0
 34 33  1  0
 33 28  1  0
 28 29  1  1
 29 30  1  0
 30 31  1  0
 30 32  2  0
 28 42  1  0
 42 43  1  0
 43 44  1  0
 44 45  1  0
 45 46  1  0
 45 47  2  0
 43  2  1  0
  2  1  2  3
  2  3  1  0
  3  4  1  0
  4  5  1  0
  5  6  1  0
  6  7  1  0
  6  8  2  0
  4  9  1  0
  9 10  1  0
 10 11  1  0
 11 12  2  0
 11 13  1  0
 13 14  2  0
 14 15  1  0
 15 16  2  0
 16 17  1  0
 17 18  2  0
  9 19  1  0
 19 20  1  0
 19 21  1  0
 19 22  1  0
 22 23  2  0
 23 24  1  0
 24 25  1  0
 24 26  1  0
 26 27  2  0
 42 36  1  0
 18 13  1  0
 26 28  1  0
 41 85  1  0
 41 86  1  0
 41 87  1  0
 40 83  1  0
 40 84  1  0
 36 82  1  6
 34 78  1  1
 35 79  1  0
 35 80  1  0
 35 81  1  0
 33 76  1  0
 33 77  1  0
 31 73  1  0
 31 74  1  0
 31 75  1  0
 42 88  1  6
 43 89  1  6
 46 90  1  0
 46 91  1  0
 46 92  1  0
  1 48  1  0
  1 49  1  0
  3 50  1  0
  3 51  1  0
  4 52  1  6
  7 53  1  0
  7 54  1  0
  7 55  1  0
  9 56  1  1
 14 57  1  0
 15 58  1  0
 16 59  1  0
 18 60  1  0
 20 61  1  0
 20 62  1  0
 20 63  1  0
 21 64  1  0
 21 65  1  0
 21 66  1  0
 22 67  1  0
 23 68  1  0
 24 69  1  1
 25 70  1  0
 25 71  1  0
 25 72  1  0
M  END


  Mrv1533004241507592D          

 47 49  0  0  0  0            999 V2000
   -0.9825    1.0645    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.2269    0.7333    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.1360   -0.0867    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.8007   -0.5754    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    0.6196   -0.4180    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    0.7105   -1.2379    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.1006   -1.7935    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.7074   -1.6265    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.4404   -2.5452    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.2604   -2.4543    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.0099   -3.2403    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    0.2040   -3.4165    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.0465   -4.2025    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
   -0.3516   -2.8066    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.4273   -1.6463    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.2105   -1.3869    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.5942   -0.8384    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    1.7611   -0.0305    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.1449    0.5181    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    2.5443    0.2290    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.3774   -0.5790    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.2012    0.2270    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    3.1605   -0.3196    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    3.7768   -0.8681    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.5599   -0.6087    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    4.7268    0.1993    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.1106    0.7478    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    5.5100    0.4587    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    3.6098   -1.6760    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.3930   -1.4166    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    5.0092   -1.9651    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.6852   -3.0858    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    5.7924   -1.7057    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    6.4086   -2.2542    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    7.1918   -1.9948    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    7.3587   -1.1869    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    6.7425   -0.6383    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0
    5.9593   -0.8978    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.2261   -2.2245    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    5.0277   -2.4196    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.8611   -2.7512    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.0592   -3.0325    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    3.2760   -3.2919    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.6598   -2.7434    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.8267   -1.9354    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.8766   -3.0028    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.7097   -3.8107    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  1  0  0  0  0
  2  3  1  0  0  0  0
  3  4  2  0  0  0  0
  3  5  1  0  0  0  0
  5  6  1  0  0  0  0
  6  7  1  0  0  0  0
  7  8  1  0  0  0  0
  7  9  1  0  0  0  0
  9 10  1  0  0  0  0
 10 11  1  0  0  0  0
 11 12  1  0  0  0  0
 12 13  2  0  0  0  0
 12 14  1  0  0  0  0
 10 15  1  0  0  0  0
  6 15  1  0  0  0  0
 15 16  1  0  0  0  0
 16 17  1  0  0  0  0
 17 18  1  0  0  0  0
 18 19  2  0  0  0  0
 18 20  1  0  0  0  0
 16 21  1  0  0  0  0
 21 22  2  0  0  0  0
 21 23  1  0  0  0  0
 23 24  1  0  0  0  0
 24 25  1  0  0  0  0
 25 26  1  0  0  0  0
 26 27  2  0  0  0  0
 26 28  1  0  0  0  0
 24 29  1  0  0  0  0
 29 30  1  0  0  0  0
 30 31  1  0  0  0  0
 31 32  2  0  0  0  0
 31 33  1  0  0  0  0
 33 34  2  0  0  0  0
 34 35  1  0  0  0  0
 35 36  2  0  0  0  0
 36 37  1  0  0  0  0
 37 38  2  0  0  0  0
 33 38  1  0  0  0  0
 29 39  1  0  0  0  0
 39 40  1  0  0  0  0
 39 41  1  0  0  0  0
 42 39  1  4  0  0  0
 42 43  2  0  0  0  0
 43 44  1  0  0  0  0
 44 45  1  0  0  0  0
 44 46  1  0  0  0  0
 10 46  1  0  0  0  0
 46 47  2  0  0  0  0
M  END
> <DATABASE_ID>
NP0235091

> <DATABASE_NAME>
NP-MRD

> <SMILES>
CCC(=O)OC1C(C)CC2(OC(C)=O)C1C(OC(C)=O)C(=C)CC(OC(C)=O)C(OC(=O)C1=CC=CN=C1)C(C)(C)C=CC(C)C2=O

> <INCHI_IDENTIFIER>
InChI=1S/C35H45NO11/c1-10-27(40)45-30-21(4)17-35(47-24(7)39)28(30)29(44-23(6)38)20(3)16-26(43-22(5)37)32(34(8,9)14-13-19(2)31(35)41)46-33(42)25-12-11-15-36-18-25/h11-15,18-19,21,26,28-30,32H,3,10,16-17H2,1-2,4-9H3

> <INCHI_KEY>
SEQQDLBVWPUKIY-UHFFFAOYSA-N

> <FORMULA>
C35H45NO11

> <MOLECULAR_WEIGHT>
655.741

> <EXACT_MASS>
655.299261273

> <JCHEM_ACCEPTOR_COUNT>
7

> <JCHEM_ATOM_COUNT>
92

> <JCHEM_AVERAGE_POLARIZABILITY>
68.67148182481758

> <JCHEM_BIOAVAILABILITY>
0

> <JCHEM_DONOR_COUNT>
0

> <JCHEM_FORMAL_CHARGE>
0

> <JCHEM_GHOSE_FILTER>
0

> <JCHEM_IUPAC>
4,7,13a-tris(acetyloxy)-2,9,9,12-tetramethyl-5-methylidene-13-oxo-3-(propanoyloxy)-1H,2H,3H,3aH,4H,5H,6H,7H,8H,9H,12H,13H,13aH-cyclopenta[12]annulen-8-yl pyridine-3-carboxylate

> <ALOGPS_LOGP>
3.34

> <JCHEM_LOGP>
4.335609008333333

> <ALOGPS_LOGS>
-5.02

> <JCHEM_MDDR_LIKE_RULE>
1

> <JCHEM_NUMBER_OF_RINGS>
3

> <JCHEM_PHYSIOLOGICAL_CHARGE>
0

> <JCHEM_PKA_STRONGEST_ACIDIC>
14.997947854131844

> <JCHEM_PKA_STRONGEST_BASIC>
3.2398056066936096

> <JCHEM_POLAR_SURFACE_AREA>
161.46000000000004

> <JCHEM_REFRACTIVITY>
167.26520000000002

> <JCHEM_ROTATABLE_BOND_COUNT>
12

> <JCHEM_RULE_OF_FIVE>
0

> <ALOGPS_SOLUBILITY>
6.27e-03 g/l

> <JCHEM_TRADITIONAL_IUPAC>
4,7,13a-tris(acetyloxy)-2,9,9,12-tetramethyl-5-methylidene-13-oxo-3-(propanoyloxy)-1H,2H,3H,3aH,4H,6H,7H,8H,12H-cyclopenta[12]annulen-8-yl pyridine-3-carboxylate

> <JCHEM_VEBER_RULE>
0

$$$$

HEADER    PROTEIN                                 24-APR-15   NONE
TITLE     NULL                                                        
COMPND    NULL                                                        
SOURCE    NULL                                                        
KEYWDS    NULL                                                        
EXPDTA    NULL                                                        
AUTHOR    Marvin                                                      
REVDAT   1   24-APR-15         0                                  
HETATM    1  C   UNK     0      -1.834   1.987   0.000  0.00  0.00           C+0
HETATM    2  C   UNK     0      -0.424   1.369   0.000  0.00  0.00           C+0
HETATM    3  C   UNK     0      -0.254  -0.162   0.000  0.00  0.00           C+0
HETATM    4  O   UNK     0      -1.495  -1.074   0.000  0.00  0.00           O+0
HETATM    5  O   UNK     0       1.157  -0.780   0.000  0.00  0.00           O+0
HETATM    6  C   UNK     0       1.326  -2.311   0.000  0.00  0.00           C+0
HETATM    7  C   UNK     0       0.188  -3.348   0.000  0.00  0.00           C+0
HETATM    8  C   UNK     0      -1.320  -3.036   0.000  0.00  0.00           C+0
HETATM    9  C   UNK     0       0.822  -4.751   0.000  0.00  0.00           C+0
HETATM   10  C   UNK     0       2.353  -4.581   0.000  0.00  0.00           C+0
HETATM   11  O   UNK     0       1.885  -6.049   0.000  0.00  0.00           O+0
HETATM   12  C   UNK     0       0.381  -6.377   0.000  0.00  0.00           C+0
HETATM   13  O   UNK     0      -0.087  -7.845   0.000  0.00  0.00           O+0
HETATM   14  C   UNK     0      -0.656  -5.239   0.000  0.00  0.00           C+0
HETATM   15  C   UNK     0       2.664  -3.073   0.000  0.00  0.00           C+0
HETATM   16  C   UNK     0       4.126  -2.589   0.000  0.00  0.00           C+0
HETATM   17  O   UNK     0       2.976  -1.565   0.000  0.00  0.00           O+0
HETATM   18  C   UNK     0       3.287  -0.057   0.000  0.00  0.00           C+0
HETATM   19  O   UNK     0       2.137   0.967   0.000  0.00  0.00           O+0
HETATM   20  C   UNK     0       4.749   0.427   0.000  0.00  0.00           C+0
HETATM   21  C   UNK     0       4.438  -1.081   0.000  0.00  0.00           C+0
HETATM   22  C   UNK     0       4.109   0.424   0.000  0.00  0.00           C+0
HETATM   23  C   UNK     0       5.900  -0.597   0.000  0.00  0.00           C+0
HETATM   24  C   UNK     0       7.050  -1.620   0.000  0.00  0.00           C+0
HETATM   25  O   UNK     0       8.512  -1.136   0.000  0.00  0.00           O+0
HETATM   26  C   UNK     0       8.823   0.372   0.000  0.00  0.00           C+0
HETATM   27  O   UNK     0       7.673   1.396   0.000  0.00  0.00           O+0
HETATM   28  C   UNK     0      10.285   0.856   0.000  0.00  0.00           C+0
HETATM   29  C   UNK     0       6.738  -3.129   0.000  0.00  0.00           C+0
HETATM   30  O   UNK     0       8.200  -2.644   0.000  0.00  0.00           O+0
HETATM   31  C   UNK     0       9.351  -3.668   0.000  0.00  0.00           C+0
HETATM   32  O   UNK     0       8.746  -5.760   0.000  0.00  0.00           O+0
HETATM   33  C   UNK     0      10.812  -3.184   0.000  0.00  0.00           C+0
HETATM   34  C   UNK     0      11.963  -4.208   0.000  0.00  0.00           C+0
HETATM   35  C   UNK     0      13.425  -3.724   0.000  0.00  0.00           C+0
HETATM   36  C   UNK     0      13.736  -2.215   0.000  0.00  0.00           C+0
HETATM   37  N   UNK     0      12.586  -1.192   0.000  0.00  0.00           N+0
HETATM   38  C   UNK     0      11.124  -1.676   0.000  0.00  0.00           C+0
HETATM   39  C   UNK     0       7.889  -4.152   0.000  0.00  0.00           C+0
HETATM   40  C   UNK     0       9.385  -4.516   0.000  0.00  0.00           C+0
HETATM   41  C   UNK     0       9.074  -5.136   0.000  0.00  0.00           C+0
HETATM   42  C   UNK     0       7.577  -5.661   0.000  0.00  0.00           C+0
HETATM   43  C   UNK     0       6.115  -6.145   0.000  0.00  0.00           C+0
HETATM   44  C   UNK     0       4.965  -5.121   0.000  0.00  0.00           C+0
HETATM   45  C   UNK     0       5.276  -3.613   0.000  0.00  0.00           C+0
HETATM   46  C   UNK     0       3.503  -5.605   0.000  0.00  0.00           C+0
HETATM   47  O   UNK     0       3.191  -7.113   0.000  0.00  0.00           O+0
CONECT    1    2                                                            
CONECT    2    1    3                                                       
CONECT    3    2    4    5                                                  
CONECT    4    3                                                            
CONECT    5    3    6                                                       
CONECT    6    5    7   15                                                  
CONECT    7    6    8    9                                                  
CONECT    8    7                                                            
CONECT    9    7   10                                                       
CONECT   10    9   11   15   46                                             
CONECT   11   10   12                                                       
CONECT   12   11   13   14                                                  
CONECT   13   12                                                            
CONECT   14   12                                                            
CONECT   15   10    6   16                                                  
CONECT   16   15   17   21                                                  
CONECT   17   16   18                                                       
CONECT   18   17   19   20                                                  
CONECT   19   18                                                            
CONECT   20   18                                                            
CONECT   21   16   22   23                                                  
CONECT   22   21                                                            
CONECT   23   21   24                                                       
CONECT   24   23   25   29                                                  
CONECT   25   24   26                                                       
CONECT   26   25   27   28                                                  
CONECT   27   26                                                            
CONECT   28   26                                                            
CONECT   29   24   30   39                                                  
CONECT   30   29   31                                                       
CONECT   31   30   32   33                                                  
CONECT   32   31                                                            
CONECT   33   31   34   38                                                  
CONECT   34   33   35                                                       
CONECT   35   34   36                                                       
CONECT   36   35   37                                                       
CONECT   37   36   38                                                       
CONECT   38   37   33                                                       
CONECT   39   29   40   41   42                                             
CONECT   40   39                                                            
CONECT   41   39                                                            
CONECT   42   39   43                                                       
CONECT   43   42   44                                                       
CONECT   44   43   45   46                                                  
CONECT   45   44                                                            
CONECT   46   44   10   47                                                  
CONECT   47   46                                                            
MASTER        0    0    0    0    0    0    0    0   47    0   98    0
END

View in JSmol

Synonyms

Value	Source
4,7,13a-Tris(acetyloxy)-2,9,9,12-tetramethyl-5-methylidene-13-oxo-3-(propanoyloxy)-1H,2H,3H,3ah,4H,5H,6H,7H,8H,9H,12H,13H,13ah-cyclopenta[12]annulen-8-yl pyridine-3-carboxylic acid	Generator

Chemical Formula

C₃₅H₄₅NO₁₁

Average Mass

655.7410 Da

Monoisotopic Mass

655.29926 Da

IUPAC Name

4,7,13a-tris(acetyloxy)-2,9,9,12-tetramethyl-5-methylidene-13-oxo-3-(propanoyloxy)-1H,2H,3H,3aH,4H,5H,6H,7H,8H,9H,12H,13H,13aH-cyclopenta[12]annulen-8-yl pyridine-3-carboxylate

Traditional Name

4,7,13a-tris(acetyloxy)-2,9,9,12-tetramethyl-5-methylidene-13-oxo-3-(propanoyloxy)-1H,2H,3H,3aH,4H,6H,7H,8H,12H-cyclopenta[12]annulen-8-yl pyridine-3-carboxylate

CAS Registry Number

Not Available

SMILES

CCC(=O)OC1C(C)CC2(OC(C)=O)C1C(OC(C)=O)C(=C)CC(OC(C)=O)C(OC(=O)C1=CC=CN=C1)C(C)(C)C=CC(C)C2=O

InChI Identifier

InChI=1S/C35H45NO11/c1-10-27(40)45-30-21(4)17-35(47-24(7)39)28(30)29(44-23(6)38)20(3)16-26(43-22(5)37)32(34(8,9)14-13-19(2)31(35)41)46-33(42)25-12-11-15-36-18-25/h11-15,18-19,21,26,28-30,32H,3,10,16-17H2,1-2,4-9H3

InChI Key

SEQQDLBVWPUKIY-UHFFFAOYSA-N

Experimental Spectra

Not Available

Predicted Spectra

Spectrum Type	Description	Depositor ID	Depositor Organization	Depositor	Deposition Date	View
1D NMR	¹³C NMR Spectrum (1D, 25 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 100 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 252 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 1000 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 50 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 200 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 75 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 300 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 101 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 400 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 126 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 500 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 151 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 600 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 176 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 700 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 201 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 800 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 226 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 900 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum

Chemical Shift Submissions

Not Available

Species

Species of Origin

Species Name	Source	Reference
Euphorbia characias	LOTUS Database	35616633

Chemical Taxonomy

Description

Belongs to the class of organic compounds known as jatrophane and cyclojatrophane diterpenoids. These are diterpenoids with a structure based on the jatrophane or the 9,13-jatrophane skeleton. Jatrophane can be derived from casbane by 6,10-cyclization and opening of the cyclopropane. Cyclojatrophane diterpenoids are based on the 9,13-cyclization of the jatrophane skeleton yields the 9,13-cyclojatrophane skeleton.

Kingdom

Organic compounds

Super Class

Lipids and lipid-like molecules

Class

Prenol lipids

Sub Class

Diterpenoids

Direct Parent

Jatrophane and cyclojatrophane diterpenoids

Alternative Parents

Substituents

Jatrophane diterpenoid
Pentacarboxylic acid or derivatives
Pyridine carboxylic acid
Pyridine carboxylic acid or derivatives
Alpha-acyloxy ketone
Pyridine
Heteroaromatic compound
Ketone
Carboxylic acid ester
Organoheterocyclic compound
Carboxylic acid derivative
Azacycle
Hydrocarbon derivative
Organic oxide
Organopnictogen compound
Organic oxygen compound
Organooxygen compound
Organonitrogen compound
Organic nitrogen compound
Carbonyl group
Aromatic heteropolycyclic compound

Molecular Framework

Aromatic heteropolycyclic compounds

External Descriptors

Not Available

Physical Properties

State

Not Available

Experimental Properties

Property	Value	Reference
Melting Point	Not Available	Not Available
Boiling Point	Not Available	Not Available
Water Solubility	Not Available	Not Available
LogP	Not Available	Not Available

Predicted Properties

Property	Value	Source
logP	3.34	ALOGPS
logP	4.34	ChemAxon
logS	-5	ALOGPS
pKa (Strongest Acidic)	15	ChemAxon
pKa (Strongest Basic)	3.24	ChemAxon
Physiological Charge	0	ChemAxon
Hydrogen Acceptor Count	7	ChemAxon
Hydrogen Donor Count	0	ChemAxon
Polar Surface Area	161.46 Å²	ChemAxon
Rotatable Bond Count	12	ChemAxon
Refractivity	167.27 m³·mol⁻¹	ChemAxon
Polarizability	68.67 Å³	ChemAxon
Number of Rings	3	ChemAxon
Bioavailability	No	ChemAxon
Rule of Five	No	ChemAxon
Ghose Filter	No	ChemAxon
Veber's Rule	No	ChemAxon
MDDR-like Rule	Yes	ChemAxon

External Links

HMDB ID

Not Available

DrugBank ID

Not Available

Phenol Explorer Compound ID

Not Available

FoodDB ID

Not Available

KNApSAcK ID

Not Available

Chemspider ID

Not Available

KEGG Compound ID

Not Available

BioCyc ID

Not Available

BiGG ID

Not Available

Wikipedia Link

Not Available

METLIN ID

Not Available

PubChem Compound

Not Available

PDB ID

Not Available

ChEBI ID

Not Available

Good Scents ID

Not Available

References

General References

LOTUS database [Link]

Showing NP-Card for 4,7,13a-tris(acetyloxy)-2,9,9,12-tetramethyl-5-methylidene-13-oxo-3-(propanoyloxy)-1h,2h,3h,3ah,4h,6h,7h,8h,12h-cyclopenta[12]annulen-8-yl pyridine-3-carboxylate (NP0235091)

MOL for NP0235091 (4,7,13a-tris(acetyloxy)-2,9,9,12-tetramethyl-5-methylidene-13-oxo-3-(propanoyloxy)-1h,2h,3h,3ah,4h,6h,7h,8h,12h-cyclopenta[12]annulen-8-yl pyridine-3-carboxylate)

3D MOL for NP0235091 (4,7,13a-tris(acetyloxy)-2,9,9,12-tetramethyl-5-methylidene-13-oxo-3-(propanoyloxy)-1h,2h,3h,3ah,4h,6h,7h,8h,12h-cyclopenta[12]annulen-8-yl pyridine-3-carboxylate)

3D SDF for NP0235091 (4,7,13a-tris(acetyloxy)-2,9,9,12-tetramethyl-5-methylidene-13-oxo-3-(propanoyloxy)-1h,2h,3h,3ah,4h,6h,7h,8h,12h-cyclopenta[12]annulen-8-yl pyridine-3-carboxylate)

3D-SDF for NP0235091 (4,7,13a-tris(acetyloxy)-2,9,9,12-tetramethyl-5-methylidene-13-oxo-3-(propanoyloxy)-1h,2h,3h,3ah,4h,6h,7h,8h,12h-cyclopenta[12]annulen-8-yl pyridine-3-carboxylate)

PDB for NP0235091 (4,7,13a-tris(acetyloxy)-2,9,9,12-tetramethyl-5-methylidene-13-oxo-3-(propanoyloxy)-1h,2h,3h,3ah,4h,6h,7h,8h,12h-cyclopenta[12]annulen-8-yl pyridine-3-carboxylate)

3D PDB for NP0235091 (4,7,13a-tris(acetyloxy)-2,9,9,12-tetramethyl-5-methylidene-13-oxo-3-(propanoyloxy)-1h,2h,3h,3ah,4h,6h,7h,8h,12h-cyclopenta[12]annulen-8-yl pyridine-3-carboxylate)

SMILES for NP0235091 (4,7,13a-tris(acetyloxy)-2,9,9,12-tetramethyl-5-methylidene-13-oxo-3-(propanoyloxy)-1h,2h,3h,3ah,4h,6h,7h,8h,12h-cyclopenta[12]annulen-8-yl pyridine-3-carboxylate)

INCHI for NP0235091 (4,7,13a-tris(acetyloxy)-2,9,9,12-tetramethyl-5-methylidene-13-oxo-3-(propanoyloxy)-1h,2h,3h,3ah,4h,6h,7h,8h,12h-cyclopenta[12]annulen-8-yl pyridine-3-carboxylate)

Structure for NP0235091 (4,7,13a-tris(acetyloxy)-2,9,9,12-tetramethyl-5-methylidene-13-oxo-3-(propanoyloxy)-1h,2h,3h,3ah,4h,6h,7h,8h,12h-cyclopenta[12]annulen-8-yl pyridine-3-carboxylate)

3D Structure for NP0235091 (4,7,13a-tris(acetyloxy)-2,9,9,12-tetramethyl-5-methylidene-13-oxo-3-(propanoyloxy)-1h,2h,3h,3ah,4h,6h,7h,8h,12h-cyclopenta[12]annulen-8-yl pyridine-3-carboxylate)