20755-09-3

Basic information

• Product Name: trans-Flavan-4-ol acetate
• Synonyms: trans-4-Flavanol acetate;trans-Flavan-4-ol acetate
• CAS NO: 20755-09-3
• Molecular Formula: C₁₇H₁₆O₃
• Molecular Weight: 268.31
• Mol File: 20755-09-3.mol
• Article Data: 2

Chemical Properties

• Melting Point: 97-98 °C(Solv: ethanol (64-17-5))
• Boiling Point: 382.8±42.0 °C(Predicted)
• Appearance: /
• Density: 1.19±0.1 g/cm3(Predicted)
• CAS DataBase Reference: trans-Flavan-4-ol acetate(CAS DataBase Reference)
• NIST Chemistry Reference: trans-Flavan-4-ol acetate(20755-09-3)
• EPA Substance Registry System: trans-Flavan-4-ol acetate(20755-09-3)

Safety Data

• Hazardous Substances Data: 20755-09-3(Hazardous Substances Data)

Upstream product

• 64-19-7 acetic acid 
• 487-25-2 cis-4-hydroxyflavan 
• 487-26-3 Flavanone 
• 487-25-2 2',4-dihydroxydihydrochalcone 
• 1214-47-7 1-(2-hydroxyphenyl)-3-phenylprop-2-en-1-one 
• 108-24-7 acetic anhydride 
• 525-82-6 FLAVONE 

Downstream Products

• 41886-75-3 (2R,4R)-(-)-cis-4-hydroxyflavan 
• 55568-97-3 (2R,3R)-3-hydroxyflavanone 
• 476310-80-2 (2R,4R)-flavan-4-ol acetate 
• 142696-01-3 (2S,4S)-(+)-cis-4-acetoxyflavan 
• 487-26-3 (2S)-flavanone 
• 487-26-3 (R)-flavanone 
• 96790-73-7 (2S,3S)-3-hydroxyflavanone 

Relevant articles and documents

Enantioselective acylation of (±)-cis-flavan-4-ols catalyzed by lipase from Candida cylindracea (CCL) and the synthesis of enantiopure flavan-4-ones

Lipase Candida cylindracea (CCL) catalyzed acylation of (±)-cis-flavan-4-ols using vinyl acetate as the acyldonor in DME-toluene (1:2) gave (-)-(2R,4R)-4-acetoxyflavans 9a-m and (+)-(2S,4S)-flavan-4-ols 10a-m in high enantiomeric excess. (+)-(2S,4S)-Flava