precursor

Showing entry for Procyanidin dimer B2

Identification

PhytoHub ID
PHUB000277
Name
Procyanidin dimer B2
Systematic Name
Procyanidin B2
Synonyms
  • (2R,2'R,3R,3'R,4R)-2,2'-bis(3,4-dihydroxyphenyl)-3,3',4,4'-tetrahydro-2H,2'H-4,8'-bichromene-3,3',5
  • Epicatechin-(4b,8)-epicatechin
  • Proanthocyanidin B2
  • procyanidin B2
  • Procyanidol B2
CAS Number
29106-49-8
Average Mass
578.526
Monoisotopic Mass
578.142426277
Chemical Formula
C30H26O12
IUPAC Name
(2R,3R,4R)-2-(3,4-dihydroxyphenyl)-4-[(2R,3R)-2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-3,4-dihydro-2H-1-benzopyran-8-yl]-3,4-dihydro-2H-1-benzopyran-3,5,7-triol
InChI Key
XFZJEEAOWLFHDH-NFJBMHMQSA-N
InChI Identifier
InChI=1S/C30H26O12/c31-13-7-20(37)24-23(8-13)41-29(12-2-4-16(33)19(36)6-12)27(40)26(24)25-21(38)10-17(34)14-9-22(39)28(42-30(14)25)11-1-3-15(32)18(35)5-11/h1-8,10,22,26-29,31-40H,9H2/t22-,26-,27-,28-,29-/m1/s1
SMILES
[H][C@]1([C@@H](O)[C@H](OC2=CC(O)=CC(O)=C12)C1=CC(O)=C(O)C=C1)C1=C(O)C=C(O)C2=C1O[C@@H]([C@H](O)C2)C1=CC(O)=C(O)C=C1
Structure
Similar Structures

Calculated Properties

Solubility (ALOGPS)
1.38e-01 g/l
LogS (ALOGPS)
-3.62
LogP (ALOGPS)
2.29
Hydrogen Acceptors
12
Hydrogen Donors
10
Rotatable Bond Count
3
Polar Surface Area
220.75999999999996
Refractivity
146.50799999999998
Polarizability
55.14150012926113
Formal Charge
0
Physiological Charge
0
pKa (strongest basic)
-5.176560370760914
pKa (strongest acidic)
8.693248815093794
Number of Rings
6
Rule of Five
No
Bioavailability
No
Ghose Filter
No
Veber's Rule
No
MDDR-like Rule
No

Taxonomy as Food Phytochemical

Family
Polyphenols
Class
Flavonoids
Sub-class
Flavan-3-ols

Classyfire Taxonomy

Kingdom Name
Organic compounds
Class
Flavonoids
Super-class
Phenylpropanoids and polyketides
Sub-class
Biflavonoids and polyflavonoids
Direct Parent Name
Biflavonoids and polyflavonoids
Alternative Parent Names
["1-benzopyrans", "1-hydroxy-2-unsubstituted benzenoids", "1-hydroxy-4-unsubstituted benzenoids", "3'-hydroxyflavonoids", "3-hydroxyflavonoids", "4'-hydroxyflavonoids", "5-hydroxyflavonoids", "7-hydroxyflavonoids", "Alkyl aryl ethers", "B-type proanthocyanidins", "Benzene and substituted derivatives", "Catechins", "Catechols", "Hydrocarbon derivatives", "Oxacyclic compounds", "Polyols", "Secondary alcohols"]
External Descriptor Annotations
["Proanthocyanidins", "biflavonoid", "hydroxyflavan", "polyphenol", "proanthocyanidin"]
Substituent Names
["1-benzopyran", "1-hydroxy-2-unsubstituted benzenoid", "1-hydroxy-4-unsubstituted benzenoid", "3'-hydroxyflavonoid", "3-hydroxyflavonoid", "4'-hydroxyflavonoid", "5-hydroxyflavonoid", "7-hydroxyflavonoid", "Alcohol", "Alkyl aryl ether", "Aromatic heteropolycyclic compound", "B-type proanthocyanidin", "Benzenoid", "Benzopyran", "Bi- and polyflavonoid skeleton", "Catechin", "Catechol", "Chromane", "Ether", "Flavan", "Flavan-3-ol", "Hydrocarbon derivative", "Hydroxyflavonoid", "Monocyclic benzene moiety", "Organic oxygen compound", "Organoheterocyclic compound", "Organooxygen compound", "Oxacycle", "Phenol", "Polyol", "Proanthocyanidin", "Secondary alcohol"]

Spectra from Phytohub

Food Sources

Role as Biomarker of intake

No roles as Biomarker of intake found

Metabolism

Inter-Individual Variations in Metabolism

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