Author:
Eade RA,Mcdonald FJ,Pham H
Abstract
The product of reaction of
2'-acetoxy-4,4'-dimethoxy-3'-(tetraacetyl-β-D-glucopyranosyl)chalcone (4)
with thallium(III) nitrate in methanol/trimethyl orthoformate solution gave,
after acid hydrolysis, a high yield of 7,4'-di-O-methylpuerarin (2). The dimethyl
acetal (6) and the enol ether (7) have been isolated
from the reaction of the chalcone (4) with thallium(III) nitrate in methanol.
Both the acetal (6) and ether (7) gave 7,4'-di-O-methylpuerarin on reaction
with acid or base.
Cited by
32 articles.
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