THE O-METHYLATION OF QUERCETIN
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Published:1932-09-01
Issue:3
Volume:7
Page:283-284
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ISSN:1923-4287
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Container-title:Canadian Journal of Research
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language:en
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Short-container-title:Can. J. Res.
Author:
Anderson J. Ansel
Abstract
The methylation of penta-acetylquercetin with dimethyl sulphate and potassium hydroxide by Freudenberg's method yields both penta- and tetramethylquercetin in the proportion of about 2:1. A modification of the method using twice the quantity of reagents yields pentamethylquercetin only (yield, 84%). There is no indication of nuclear methylation.
Publisher
Canadian Science Publishing
Subject
Pharmacology (medical),Complementary and alternative medicine,Pharmaceutical Science
Cited by
1 articles.
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1. Pigments of cotton flowers;Proceedings of the Indian Academy of Sciences - Section A;1939-03