NP-MRD: Showing NP-Card for Annularin K (NP0044612)

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Record Information

Version

2.0

Created at

2022-02-24 21:08:58 UTC

Updated at

2026-02-14 12:01:41 UTC

NP-MRD ID

NP0044612

Natural Product DOI

https://doi.org/10.57994/6856

Secondary Accession Numbers

None

Natural Product Identification

Common Name

Annularin K

Description

Annularin K belongs to the class of organic compounds known as pyranones and derivatives. Pyranones and derivatives are compounds containing a pyran ring which bears a ketone. Annularin K is found in Poaceicola sp. E1PB. Annularin K was first documented in 2020 (PMID: 33233893). Based on a literature review very few articles have been published on Annularin K.

Structure

MOL 3D MOL SDF PDB SMILES InChI


  Mrv1652302242222082D          

 14 14  0  0  1  0            999 V2000
    1.4289    2.4750    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.7145    2.0625    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    0.7145    1.2375    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.4289    0.8250    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.4289   -0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.1434   -0.4125    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    0.7145   -0.4125    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    0.0000    0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.7145   -0.4125    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.4289    0.0000    0.0000 C   0  0  2  0  0  0  0  0  0  0  0  0
   -2.1434   -0.4125    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.4289    0.8250    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    0.0000    0.8250    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.7145    1.2375    0.0000 C   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
  4  5  1  0  0  0  0
  5  6  2  0  0  0  0
  5  7  1  0  0  0  0
  7  8  1  0  0  0  0
  8  9  1  0  0  0  0
  9 10  1  0  0  0  0
 10 11  1  0  0  0  0
 10 12  1  6  0  0  0
  8 13  2  0  0  0  0
  3 13  1  0  0  0  0
 13 14  1  0  0  0  0
M  END
> <DATABASE_ID>
NP0044612

> <DATABASE_NAME>
NP-MRD

> <SMILES>
COC1=CC(=O)OC(C[C@H](C)O)=C1C

> <INCHI_IDENTIFIER>
InChI=1S/C10H14O4/c1-6(11)4-9-7(2)8(13-3)5-10(12)14-9/h5-6,11H,4H2,1-3H3/t6-/m0/s1

> <INCHI_KEY>
LTTQGGXAIBRGAM-LURJTMIESA-N

> <FORMULA>
C10H14O4

> <MOLECULAR_WEIGHT>
198.218

> <EXACT_MASS>
198.089208931

> <JCHEM_ACCEPTOR_COUNT>
3

> <JCHEM_ATOM_COUNT>
28

> <JCHEM_AVERAGE_POLARIZABILITY>
20.292986681090554

> <JCHEM_BIOAVAILABILITY>
1

> <JCHEM_DONOR_COUNT>
1

> <JCHEM_FORMAL_CHARGE>
0

> <JCHEM_GHOSE_FILTER>
1

> <JCHEM_IUPAC>
6-[(2S)-2-hydroxypropyl]-4-methoxy-5-methyl-2H-pyran-2-one

> <ALOGPS_LOGP>
0.98

> <JCHEM_LOGP>
0.3348951076666668

> <ALOGPS_LOGS>
-1.53

> <JCHEM_MDDR_LIKE_RULE>
0

> <JCHEM_NUMBER_OF_RINGS>
1

> <JCHEM_PHYSIOLOGICAL_CHARGE>
0

> <JCHEM_PKA_STRONGEST_ACIDIC>
15.524037405329054

> <JCHEM_PKA_STRONGEST_BASIC>
-2.56958603890907

> <JCHEM_POLAR_SURFACE_AREA>
55.760000000000005

> <JCHEM_REFRACTIVITY>
53.668

> <JCHEM_ROTATABLE_BOND_COUNT>
3

> <JCHEM_RULE_OF_FIVE>
1

> <ALOGPS_SOLUBILITY>
5.89e+00 g/l

> <JCHEM_TRADITIONAL_IUPAC>
6-[(2S)-2-hydroxypropyl]-4-methoxy-5-methylpyran-2-one

> <JCHEM_VEBER_RULE>
0

$$$$

HEADER    PROTEIN                                 24-FEB-22   NONE
TITLE     NULL                                                        
COMPND    NULL                                                        
SOURCE    NULL                                                        
KEYWDS    NULL                                                        
EXPDTA    NULL                                                        
AUTHOR    Marvin                                                      
REVDAT   1   24-FEB-22         0                                  
HETATM    1  C   UNK     0       2.667   4.620   0.000  0.00  0.00           C+0
HETATM    2  O   UNK     0       1.334   3.850   0.000  0.00  0.00           O+0
HETATM    3  C   UNK     0       1.334   2.310   0.000  0.00  0.00           C+0
HETATM    4  C   UNK     0       2.667   1.540   0.000  0.00  0.00           C+0
HETATM    5  C   UNK     0       2.667  -0.000   0.000  0.00  0.00           C+0
HETATM    6  O   UNK     0       4.001  -0.770   0.000  0.00  0.00           O+0
HETATM    7  O   UNK     0       1.334  -0.770   0.000  0.00  0.00           O+0
HETATM    8  C   UNK     0       0.000   0.000   0.000  0.00  0.00           C+0
HETATM    9  C   UNK     0      -1.334  -0.770   0.000  0.00  0.00           C+0
HETATM   10  C   UNK     0      -2.667   0.000   0.000  0.00  0.00           C+0
HETATM   11  C   UNK     0      -4.001  -0.770   0.000  0.00  0.00           C+0
HETATM   12  O   UNK     0      -2.667   1.540   0.000  0.00  0.00           O+0
HETATM   13  C   UNK     0       0.000   1.540   0.000  0.00  0.00           C+0
HETATM   14  C   UNK     0      -1.334   2.310   0.000  0.00  0.00           C+0
CONECT    1    2                                                            
CONECT    2    1    3                                                       
CONECT    3    2    4   13                                                  
CONECT    4    3    5                                                       
CONECT    5    4    6    7                                                  
CONECT    6    5                                                            
CONECT    7    5    8                                                       
CONECT    8    7    9   13                                                  
CONECT    9    8   10                                                       
CONECT   10    9   11   12                                                  
CONECT   11   10                                                            
CONECT   12   10                                                            
CONECT   13    8    3   14                                                  
CONECT   14   13                                                            
MASTER        0    0    0    0    0    0    0    0   14    0   28    0
END

View in JSmol

Synonyms

Not Available

Chemical Formula

C₁₀H₁₄O₄

Average Mass

198.2180 Da

Monoisotopic Mass

198.08921 Da

IUPAC Name

6-[(2S)-2-hydroxypropyl]-4-methoxy-5-methyl-2H-pyran-2-one

Traditional Name

6-[(2S)-2-hydroxypropyl]-4-methoxy-5-methylpyran-2-one

CAS Registry Number

Not Available

SMILES

COC1=CC(=O)OC(C[C@H](C)O)=C1C

InChI Identifier

InChI=1S/C10H14O4/c1-6(11)4-9-7(2)8(13-3)5-10(12)14-9/h5-6,11H,4H2,1-3H3/t6-/m0/s1

InChI Key

LTTQGGXAIBRGAM-LURJTMIESA-N

Experimental Spectra

Spectrum Type	Description	Depositor Email	Depositor Organization	Depositor	Deposition Date	View
1D NMR	¹³C NMR Spectrum (1D, 100 MHz, Methanol-d4, simulated)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 125 MHz, Methanol-d4, simulated)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 150 MHz, Methanol-d4, simulated)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 175 MHz, Methanol-d4, simulated)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 200 MHz, Methanol-d4, simulated)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 225 MHz, Methanol-d4, simulated)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 25 MHz, Methanol-d4, simulated)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 250 MHz, Methanol-d4, simulated)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 50 MHz, Methanol-d4, simulated)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 75 MHz, Methanol-d4, simulated)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 100 MHz, Methanol-d4, simulated)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 1000 MHz, Methanol-d4, simulated)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 200 MHz, Methanol-d4, simulated)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 300 MHz, Methanol-d4, simulated)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 400 MHz, Methanol-d4, simulated)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 500 MHz, Methanol-d4, simulated)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 600 MHz, Methanol-d4, simulated)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 700 MHz, Methanol-d4, simulated)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 800 MHz, Methanol-d4, simulated)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 900 MHz, Methanol-d4, simulated)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum

Predicted Spectra

Spectrum Type	Description	Depositor ID	Depositor Organization	Depositor	Deposition Date	View
1D NMR	¹³C NMR Spectrum (1D, 25 MHz, D₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 100 MHz, D₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 252 MHz, D₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 1000 MHz, D₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 50 MHz, D₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 200 MHz, D₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 75 MHz, D₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 300 MHz, D₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 101 MHz, D₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 400 MHz, D₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 126 MHz, D₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 500 MHz, D₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 151 MHz, D₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 600 MHz, D₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 176 MHz, D₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 700 MHz, D₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 201 MHz, D₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 800 MHz, D₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 226 MHz, D₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 900 MHz, D₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum

Chemical Shift Submissions

Spectrum Type	Description	Depositor Email	Depositor Organization	Depositor	Deposition Date	View
1D NMR	¹H NMR Spectrum (1D, 500.0, Methanol-d4, simulated)	[email protected]	Not Available	Not Available	2026-02-14	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 125.0, Methanol-d4, simulated)	[email protected]	Not Available	Not Available	2026-02-14	View Spectrum

Species

Species of Origin

Species Name	Source	Reference
Poaceicola sp. E1PB		Not Available

Chemical Taxonomy

Description

Belongs to the class of organic compounds known as pyranones and derivatives. Pyranones and derivatives are compounds containing a pyran ring which bears a ketone.

Kingdom

Organic compounds

Super Class

Organoheterocyclic compounds

Class

Pyrans

Sub Class

Pyranones and derivatives

Direct Parent

Pyranones and derivatives

Alternative Parents

Substituents

Pyranone
Alkyl aryl ether
Heteroaromatic compound
Vinylogous ester
Secondary alcohol
Lactone
Oxacycle
Ether
Organic oxygen compound
Organic oxide
Hydrocarbon derivative
Organooxygen compound
Alcohol
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	0.98	ALOGPS
logP	0.33	ChemAxon
logS	-1.5	ALOGPS
pKa (Strongest Acidic)	15.52	ChemAxon
pKa (Strongest Basic)	-2.6	ChemAxon
Physiological Charge	0	ChemAxon
Hydrogen Acceptor Count	3	ChemAxon
Hydrogen Donor Count	1	ChemAxon
Polar Surface Area	55.76 Å²	ChemAxon
Rotatable Bond Count	3	ChemAxon
Refractivity	53.67 m³·mol⁻¹	ChemAxon
Polarizability	20.29 Å³	ChemAxon
Number of Rings	1	ChemAxon
Bioavailability	Yes	ChemAxon
Rule of Five	Yes	ChemAxon
Ghose Filter	Yes	ChemAxon
Veber's Rule	No	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

156581014

PDB ID

Not Available

ChEBI ID

Not Available

Good Scents ID

Not Available

References

General References

M Hussain FB, Al-Khdhairawi AAQ, Kok Sing H, Muhammad Low AL, Anouar EH, Thomas NF, Alias SA, Manshoor N, Weber JF: Structure Elucidation of the spiro-Polyketide Svalbardine B from the Arctic Fungal Endophyte Poaceicola sp. E1PB with Support from Extensive ESI-MS(n) Interpretation. J Nat Prod. 2020 Dec 24;83(12):3493-3501. doi: 10.1021/acs.jnatprod.9b01105. Epub 2020 Nov 25. [PubMed:33233893 ]
DOI: 10.1021/acs.jnatprod.9b01105
PMID: 33233893

Showing NP-Card for Annularin K (NP0044612)

MOL for NP0044612 (Annularin K)

3D MOL for NP0044612 (Annularin K)

3D SDF for NP0044612 (Annularin K)

3D-SDF for NP0044612 (Annularin K)

PDB for NP0044612 (Annularin K)

3D PDB for NP0044612 (Annularin K)

SMILES for NP0044612 (Annularin K)

INCHI for NP0044612 (Annularin K)

Structure for NP0044612 (Annularin K)

3D Structure for NP0044612 (Annularin K)