13650-85-6

Basic information

• Product Name: (2R,3R)-3-O-acetyl-5,7,3',4'-tetra-O-methyltaxifolin
• CAS NO: 13650-85-6
• Molecular Weight: 402.401
• Mol File: 13650-85-6.mol
• Article Data: 3

Chemical Properties

• CAS DataBase Reference: (2R,3R)-3-O-acetyl-5,7,3',4'-tetra-O-methyltaxifolin(CAS DataBase Reference)
• NIST Chemistry Reference: (2R,3R)-3-O-acetyl-5,7,3',4'-tetra-O-methyltaxifolin(13650-85-6)
• EPA Substance Registry System: (2R,3R)-3-O-acetyl-5,7,3',4'-tetra-O-methyltaxifolin(13650-85-6)

Safety Data

• Hazardous Substances Data: 13650-85-6(Hazardous Substances Data)

Upstream product

• 108-24-7 acetic anhydride 
• 6563-36-6 (2R^*,3S^*,4R^*)-flavan-3,4-diol 
• 58065-35-3 (+)-catechin tetramethyl ether acetate 
• 154-23-4 catechin 
• 6563-36-6 (+)-3',4',5,7-tetra-O-methyl-2,3-trans-dihydroquercetin 

Downstream Products

• 14613-67-3 2r-(3,4-Dimethoxy-phenyl)-5,7-dimethoxy-chroman-3t,4ξ-diol 

Relevant articles and documents

Exciton chirality method in vibrational circular dichroism

The interaction of two IR chromophores yields a strong vibrational circular dichroism couplet whose sign reflects the absolute configuration of the molecule. We present a method to determine absolute configuration of a chiral molecule based on this couplet without need of theoretical calculation. Not only can this method analyze various molecules whose absolute configuration is difficult to determine by other spectroscopic methods, but also it can significantly enhance VCD signals.

REGIO- AND STEREOSELECTIVE OXYGENATION OF FLAVAN-3-OL-, 4-ARYLFLAVAN-3-OL-, AND BIFLAVANOID-DERIVATIVES WITH POTASSIUM PERSULPHATE

The phenolic methyl ethers of flavan-3-ols, 4-arylflavan-3-ols, and (-)-fisetinidol-(4,8)-(+)-catechin biflavanoids are susceptible to regio- and stereoselective hydroxylation at C-4 in moderate to high yields with potassium persulphate/cupric sulphate in aqueous acetonitrile.The resultant 4-functionalized analogues are of both synthetic and degradative significance in condensed tannin chemistry.