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Synthesis and Reactions of Flav-3-en-3-ols

✍ Scribed by Johan Coetzee; Elfranco Malan; Daneel Ferreira

Publisher
Elsevier Science
Year
2000
Tongue
French
Weight
133 KB
Volume
56
Category
Article
ISSN
0040-4020

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✦ Synopsis

Flavan-3,4-diols are subject to facile conversion into flav-3-en-3-ols which are versatile precursors in flavonoid synthesis. The flavan-3-ones undergo a unique Lewis acid assisted a-sulfenylation reaction with benzyl mercaptan in the presence of SnCl 4 .

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Recent intorost has arisen on of tho former with nooflavanoide oinn8mylphonole and flav-3-onoa. Tho oo-occurrenoe in nsturo (1) ho8 lod to tho proposal of 8ttraotivo biogonotio8l 8oheme8 (2,3), whore the role of oinn8raylphonola in tho biogonoeia of nooflavmoids and their aongsnors ha8 been omphaeia