Synthesis of monomethyl and dimethyl derivatives of epicatechin gallate (ECg) and their photo-sensitivity

Authors
Yanase, E Nakatsuka, S
Citation
E. Yanase et S. Nakatsuka, Synthesis of monomethyl and dimethyl derivatives of epicatechin gallate (ECg) and their photo-sensitivity, HETEROCYC C, 5(4), 1999, pp. 339-342
Citations number
4
Categorie Soggetti
Organic Chemistry/Polymer Science
Journal title
HETEROCYCLIC COMMUNICATIONS
ISSN journal
07930283 → ACNP
Volume
5
Issue
4
Year of publication
1999
Pages
339 - 342
Database
ISI
SICI code
0793-0283(1999)5:4<339:SOMADD>2.0.ZU;2-L
Abstract
Epicatechin gallate(ECg) 1, one of the major tea catechins, was methylated with CH2N2 to give monomethyl derivatives 2a similar to c and dimethyl deri vatives 3ab and their stabilities under exposure to visible light were exam ined.