NP-MRD: Showing NP-Card for 2-[3-(furan-3-yl)propylidene]-6,10-dimethylundeca-5,9-dienal (NP0169536)

Jump To Section:

Identification Spectra BioTaxonomy ChemoTaxonomy Physical properties Links References XML

Record Information

Version

2.0

Created at

2022-09-03 05:30:22 UTC

Updated at

2022-09-03 05:30:22 UTC

NP-MRD ID

NP0169536

Secondary Accession Numbers

None

Natural Product Identification

Common Name

2-[3-(furan-3-yl)propylidene]-6,10-dimethylundeca-5,9-dienal

Description

2-[3-(Furan-3-yl)propylidene]-6,10-dimethylundeca-5,9-dienal belongs to the class of organic compounds known as sesquiterpenoids. These are terpenes with three consecutive isoprene units. 2-[3-(furan-3-yl)propylidene]-6,10-dimethylundeca-5,9-dienal is found in Udotea flabellum. 2-[3-(Furan-3-yl)propylidene]-6,10-dimethylundeca-5,9-dienal is an extremely weak basic (essentially neutral) compound (based on its pKa).

Structure

MOL 3D MOL SDF PDB SMILES InChI

     RDKit          3D

 50 50  0  0  0  0  0  0  0  0999 V2000
    4.7285    1.0467   -1.8910 C   0  0  0  0  0  0  0  0  0  0  0  0
    5.3412    0.3058   -0.7284 C   0  0  0  0  0  0  0  0  0  0  0  0
    6.4773   -0.6087   -0.9392 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.8099    0.5193    0.4728 C   0  0  0  0  0  0  0  0  0  0  0  0
    3.6782    1.4280    0.6937 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.5103    0.6783    1.2723 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.9921   -0.3942    0.4197 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.8401   -1.5666    0.0273 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.7558   -0.3846   -0.0339 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.1872    0.6770    0.2658 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.2604    0.3845    1.2176 C   0  0  0  0  0  0  0  0  0  0  0  0
   -2.1572   -0.7563    0.9118 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.6321   -2.1095    1.0303 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.4425   -2.3838    1.3442 O   0  0  0  0  0  0  0  0  0  0  0  0
   -3.4118   -0.5020    0.6236 C   0  0  0  0  0  0  0  0  0  0  0  0
   -4.4304   -1.4863    0.2986 C   0  0  0  0  0  0  0  0  0  0  0  0
   -4.9418   -1.1157   -1.1125 C   0  0  0  0  0  0  0  0  0  0  0  0
   -5.5110    0.2530   -1.1023 C   0  0  0  0  0  0  0  0  0  0  0  0
   -4.8834    1.4538   -1.3448 C   0  0  0  0  0  0  0  0  0  0  0  0
   -5.8370    2.4328   -1.2174 C   0  0  0  0  0  0  0  0  0  0  0  0
   -6.9926    1.8979   -0.9149 O   0  0  0  0  0  0  0  0  0  0  0  0
   -6.8327    0.5872   -0.8377 C   0  0  0  0  0  0  0  0  0  0  0  0
    3.6657    0.7842   -1.9311 H   0  0  0  0  0  0  0  0  0  0  0  0
    4.8379    2.1423   -1.6777 H   0  0  0  0  0  0  0  0  0  0  0  0
    5.2778    0.7673   -2.8159 H   0  0  0  0  0  0  0  0  0  0  0  0
    6.4910   -1.3175   -0.0656 H   0  0  0  0  0  0  0  0  0  0  0  0
    6.3919   -1.1965   -1.8696 H   0  0  0  0  0  0  0  0  0  0  0  0
    7.4609   -0.0983   -0.9537 H   0  0  0  0  0  0  0  0  0  0  0  0
    5.2599   -0.0138    1.3189 H   0  0  0  0  0  0  0  0  0  0  0  0
    3.3798    1.9313   -0.2662 H   0  0  0  0  0  0  0  0  0  0  0  0
    3.9601    2.2548    1.3821 H   0  0  0  0  0  0  0  0  0  0  0  0
    1.7900    1.4083    1.6386 H   0  0  0  0  0  0  0  0  0  0  0  0
    2.9079    0.1798    2.2114 H   0  0  0  0  0  0  0  0  0  0  0  0
    3.1461   -1.5333   -1.0329 H   0  0  0  0  0  0  0  0  0  0  0  0
    3.7242   -1.6906    0.6648 H   0  0  0  0  0  0  0  0  0  0  0  0
    2.1929   -2.4790    0.1221 H   0  0  0  0  0  0  0  0  0  0  0  0
    0.4018   -1.1879   -0.7150 H   0  0  0  0  0  0  0  0  0  0  0  0
   -0.7271    0.9084   -0.7445 H   0  0  0  0  0  0  0  0  0  0  0  0
    0.3029    1.6760    0.4380 H   0  0  0  0  0  0  0  0  0  0  0  0
   -0.8432    0.2177    2.2601 H   0  0  0  0  0  0  0  0  0  0  0  0
   -1.8919    1.3191    1.3436 H   0  0  0  0  0  0  0  0  0  0  0  0
   -2.3260   -2.9297    0.8317 H   0  0  0  0  0  0  0  0  0  0  0  0
   -3.7273    0.5483    0.6276 H   0  0  0  0  0  0  0  0  0  0  0  0
   -5.3208   -1.4283    0.9836 H   0  0  0  0  0  0  0  0  0  0  0  0
   -4.0536   -2.5090    0.2132 H   0  0  0  0  0  0  0  0  0  0  0  0
   -5.6956   -1.8715   -1.3895 H   0  0  0  0  0  0  0  0  0  0  0  0
   -4.0941   -1.2111   -1.8234 H   0  0  0  0  0  0  0  0  0  0  0  0
   -3.8441    1.6031   -1.5884 H   0  0  0  0  0  0  0  0  0  0  0  0
   -5.6765    3.4885   -1.3438 H   0  0  0  0  0  0  0  0  0  0  0  0
   -7.6036   -0.1192   -0.6058 H   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  1  0
  2  3  1  0
  2  4  2  3
  4  5  1  0
  5  6  1  0
  6  7  1  0
  7  8  1  0
  7  9  2  0
  9 10  1  0
 10 11  1  0
 11 12  1  0
 12 13  1  0
 13 14  2  0
 12 15  2  0
 15 16  1  0
 16 17  1  0
 17 18  1  0
 18 22  2  0
 22 21  1  0
 21 20  1  0
 20 19  2  0
 19 18  1  0
  1 23  1  0
  1 24  1  0
  1 25  1  0
  3 26  1  0
  3 27  1  0
  3 28  1  0
  4 29  1  0
  5 30  1  0
  5 31  1  0
  6 32  1  0
  6 33  1  0
  8 34  1  0
  8 35  1  0
  8 36  1  0
  9 37  1  0
 10 38  1  0
 10 39  1  0
 11 40  1  0
 11 41  1  0
 13 42  1  0
 15 43  1  0
 16 44  1  0
 16 45  1  0
 17 46  1  0
 17 47  1  0
 22 50  1  0
 20 49  1  0
 19 48  1  0
M  END


  Mrv1533004251509422D          

 22 22  0  0  0  0            999 V2000
    3.4256    9.3643    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    3.4256    8.5393    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.7112    8.1268    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.7112    7.3018    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.9967    6.8893    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.9967    6.0643    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.2822    5.6518    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.2822    4.8268    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.5678    4.4143    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.5678    3.5893    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.1467    3.1768    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.1467    2.3518    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.5678    1.9393    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.5678    1.1143    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.2352    0.6294    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.9803   -0.1553    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    0.1553   -0.1553    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.0997    0.6294    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.2822    3.1768    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.2822    2.3518    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    2.7112    5.6518    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.1401    8.1268    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  1  0  0  0  0
  2  3  2  0  0  0  0
  3  4  1  0  0  0  0
  4  5  1  0  0  0  0
  5  6  1  0  0  0  0
  6  7  2  0  0  0  0
  7  8  1  4  0  0  0
  8  9  1  0  0  0  0
  9 10  1  0  0  0  0
 10 11  2  0  0  0  0
 11 12  1  4  0  0  0
 12 13  1  0  0  0  0
 13 14  1  0  0  0  0
 14 15  2  0  0  0  0
 15 16  1  0  0  0  0
 16 17  1  0  0  0  0
 17 18  2  0  0  0  0
 14 18  1  0  0  0  0
 10 19  1  0  0  0  0
 19 20  2  0  0  0  0
  6 21  1  0  0  0  0
  2 22  1  0  0  0  0
M  END
> <DATABASE_ID>
NP0169536

> <DATABASE_NAME>
NP-MRD

> <SMILES>
CC(C)=CCCC(C)=CCCC(C=O)=CCCC1=COC=C1

> <INCHI_IDENTIFIER>
InChI=1S/C20H28O2/c1-17(2)7-4-8-18(3)9-5-10-19(15-21)11-6-12-20-13-14-22-16-20/h7,9,11,13-16H,4-6,8,10,12H2,1-3H3

> <INCHI_KEY>
ZLSZDAIXQRVXSG-UHFFFAOYSA-N

> <FORMULA>
C20H28O2

> <MOLECULAR_WEIGHT>
300.442

> <EXACT_MASS>
300.208930142

> <JCHEM_ACCEPTOR_COUNT>
1

> <JCHEM_ATOM_COUNT>
50

> <JCHEM_AVERAGE_POLARIZABILITY>
36.59584135305944

> <JCHEM_BIOAVAILABILITY>
1

> <JCHEM_DONOR_COUNT>
0

> <JCHEM_FORMAL_CHARGE>
0

> <JCHEM_GHOSE_FILTER>
0

> <JCHEM_IUPAC>
2-[3-(furan-3-yl)propylidene]-6,10-dimethylundeca-5,9-dienal

> <ALOGPS_LOGP>
6.24

> <JCHEM_LOGP>
5.639131897333334

> <ALOGPS_LOGS>
-4.48

> <JCHEM_MDDR_LIKE_RULE>
0

> <JCHEM_NUMBER_OF_RINGS>
1

> <JCHEM_PHYSIOLOGICAL_CHARGE>
0

> <JCHEM_PKA_STRONGEST_BASIC>
-2.7744320696478275

> <JCHEM_POLAR_SURFACE_AREA>
30.21

> <JCHEM_REFRACTIVITY>
95.81219999999999

> <JCHEM_ROTATABLE_BOND_COUNT>
10

> <JCHEM_RULE_OF_FIVE>
0

> <ALOGPS_SOLUBILITY>
9.97e-03 g/l

> <JCHEM_TRADITIONAL_IUPAC>
2-[3-(furan-3-yl)propylidene]-6,10-dimethylundeca-5,9-dienal

> <JCHEM_VEBER_RULE>
1

$$$$

HEADER    PROTEIN                                 25-APR-15   NONE
TITLE     NULL                                                        
COMPND    NULL                                                        
SOURCE    NULL                                                        
KEYWDS    NULL                                                        
EXPDTA    NULL                                                        
AUTHOR    Marvin                                                      
REVDAT   1   25-APR-15         0                                  
HETATM    1  C   UNK     0       6.395  17.480   0.000  0.00  0.00           C+0
HETATM    2  C   UNK     0       6.395  15.940   0.000  0.00  0.00           C+0
HETATM    3  C   UNK     0       5.061  15.170   0.000  0.00  0.00           C+0
HETATM    4  C   UNK     0       5.061  13.630   0.000  0.00  0.00           C+0
HETATM    5  C   UNK     0       3.727  12.860   0.000  0.00  0.00           C+0
HETATM    6  C   UNK     0       3.727  11.320   0.000  0.00  0.00           C+0
HETATM    7  C   UNK     0       2.393  10.550   0.000  0.00  0.00           C+0
HETATM    8  C   UNK     0       2.393   9.010   0.000  0.00  0.00           C+0
HETATM    9  C   UNK     0       1.060   8.240   0.000  0.00  0.00           C+0
HETATM   10  C   UNK     0       1.060   6.700   0.000  0.00  0.00           C+0
HETATM   11  C   UNK     0      -0.274   5.930   0.000  0.00  0.00           C+0
HETATM   12  C   UNK     0      -0.274   4.390   0.000  0.00  0.00           C+0
HETATM   13  C   UNK     0       1.060   3.620   0.000  0.00  0.00           C+0
HETATM   14  C   UNK     0       1.060   2.080   0.000  0.00  0.00           C+0
HETATM   15  C   UNK     0       2.306   1.175   0.000  0.00  0.00           C+0
HETATM   16  O   UNK     0       1.830  -0.290   0.000  0.00  0.00           O+0
HETATM   17  C   UNK     0       0.290  -0.290   0.000  0.00  0.00           C+0
HETATM   18  C   UNK     0      -0.186   1.175   0.000  0.00  0.00           C+0
HETATM   19  C   UNK     0       2.393   5.930   0.000  0.00  0.00           C+0
HETATM   20  O   UNK     0       2.393   4.390   0.000  0.00  0.00           O+0
HETATM   21  C   UNK     0       5.061  10.550   0.000  0.00  0.00           C+0
HETATM   22  C   UNK     0       7.728  15.170   0.000  0.00  0.00           C+0
CONECT    1    2                                                            
CONECT    2    1    3   22                                                  
CONECT    3    2    4                                                       
CONECT    4    3    5                                                       
CONECT    5    4    6                                                       
CONECT    6    5    7   21                                                  
CONECT    7    6    8                                                       
CONECT    8    7    9                                                       
CONECT    9    8   10                                                       
CONECT   10    9   11   19                                                  
CONECT   11   10   12                                                       
CONECT   12   11   13                                                       
CONECT   13   12   14                                                       
CONECT   14   13   15   18                                                  
CONECT   15   14   16                                                       
CONECT   16   15   17                                                       
CONECT   17   16   18                                                       
CONECT   18   17   14                                                       
CONECT   19   10   20                                                       
CONECT   20   19                                                            
CONECT   21    6                                                            
CONECT   22    2                                                            
MASTER        0    0    0    0    0    0    0    0   22    0   44    0
END

View in JSmol

Synonyms

Not Available

Chemical Formula

C₂₀H₂₈O₂

Average Mass

300.4420 Da

Monoisotopic Mass

300.20893 Da

IUPAC Name

2-[3-(furan-3-yl)propylidene]-6,10-dimethylundeca-5,9-dienal

Traditional Name

2-[3-(furan-3-yl)propylidene]-6,10-dimethylundeca-5,9-dienal

CAS Registry Number

Not Available

SMILES

CC(C)=CCCC(C)=CCCC(C=O)=CCCC1=COC=C1

InChI Identifier

InChI=1S/C20H28O2/c1-17(2)7-4-8-18(3)9-5-10-19(15-21)11-6-12-20-13-14-22-16-20/h7,9,11,13-16H,4-6,8,10,12H2,1-3H3

InChI Key

ZLSZDAIXQRVXSG-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
Udotea flabellum	LOTUS Database	35616633

Chemical Taxonomy

Description

Belongs to the class of organic compounds known as sesquiterpenoids. These are terpenes with three consecutive isoprene units.

Kingdom

Organic compounds

Super Class

Lipids and lipid-like molecules

Class

Prenol lipids

Sub Class

Sesquiterpenoids

Direct Parent

Sesquiterpenoids

Alternative Parents

Substituents

Farsesane sesquiterpenoid
Sesquiterpenoid
Heteroaromatic compound
Furan
Enal
Alpha,beta-unsaturated aldehyde
Oxacycle
Organoheterocyclic compound
Organic oxygen compound
Organic oxide
Hydrocarbon derivative
Organooxygen compound
Carbonyl group
Aldehyde
Aromatic heteromonocyclic compound

Molecular Framework

Aromatic heteromonocyclic 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	6.24	ALOGPS
logP	5.64	ChemAxon
logS	-4.5	ALOGPS
pKa (Strongest Basic)	-2.8	ChemAxon
Physiological Charge	0	ChemAxon
Hydrogen Acceptor Count	1	ChemAxon
Hydrogen Donor Count	0	ChemAxon
Polar Surface Area	30.21 Å²	ChemAxon
Rotatable Bond Count	10	ChemAxon
Refractivity	95.81 m³·mol⁻¹	ChemAxon
Polarizability	36.6 Å³	ChemAxon
Number of Rings	1	ChemAxon
Bioavailability	Yes	ChemAxon
Rule of Five	No	ChemAxon
Ghose Filter	No	ChemAxon
Veber's Rule	Yes	ChemAxon
MDDR-like Rule	No	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

85386391

PDB ID

Not Available

ChEBI ID

Not Available

Good Scents ID

Not Available

References

General References

LOTUS database [Link]

Showing NP-Card for 2-[3-(furan-3-yl)propylidene]-6,10-dimethylundeca-5,9-dienal (NP0169536)

MOL for NP0169536 (2-[3-(furan-3-yl)propylidene]-6,10-dimethylundeca-5,9-dienal)

3D MOL for NP0169536 (2-[3-(furan-3-yl)propylidene]-6,10-dimethylundeca-5,9-dienal)

3D SDF for NP0169536 (2-[3-(furan-3-yl)propylidene]-6,10-dimethylundeca-5,9-dienal)

3D-SDF for NP0169536 (2-[3-(furan-3-yl)propylidene]-6,10-dimethylundeca-5,9-dienal)

PDB for NP0169536 (2-[3-(furan-3-yl)propylidene]-6,10-dimethylundeca-5,9-dienal)

3D PDB for NP0169536 (2-[3-(furan-3-yl)propylidene]-6,10-dimethylundeca-5,9-dienal)

SMILES for NP0169536 (2-[3-(furan-3-yl)propylidene]-6,10-dimethylundeca-5,9-dienal)

INCHI for NP0169536 (2-[3-(furan-3-yl)propylidene]-6,10-dimethylundeca-5,9-dienal)

Structure for NP0169536 (2-[3-(furan-3-yl)propylidene]-6,10-dimethylundeca-5,9-dienal)

3D Structure for NP0169536 (2-[3-(furan-3-yl)propylidene]-6,10-dimethylundeca-5,9-dienal)