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New synthesis of blepharin, the naturally occurring β-D-glucoside of 2-hydroxy-(2H, 4H)-1, 4-benzoxazin-3-one
A SAHU, A CHATTERJEE
Published in -
1990
Volume: 29
   
Issue: 7
Pages: 603 - 605
Abstract
Blepharin, the β-D-glucoside (1) of 2-hydroxy (2H, 4H)-1, 4-benzoxazin-3-one(III), isolated from Blepharis edulis Pers., has been diaselectively synthesised from 2-hydroxy-(2H, 4H)-1, 4-benzoxazin-3-o-ne. The latter was obtained from isatin via a novel ring expansion reaction followed by glucosidation with 2,3,4,6-tetra-O-acetyl-β-D-glucopyranose and mild hydrolysis.
About the journal
JournalIndian Journal of Chemistry - Section B Organic Chemistry Including Medicinal Chemistry
Publisher-
ISSN0019-5103