Author:
Beresford GD,Cambie RC,Mathai KP
Abstract
The preparation of chromone
(11), methylbenzoxazole (18), methylbenzisoxazole (17), flavonoid (12), and
benzofuran (19) derivatives from 12-hydroxypodocarpa-8,11,13-trien-19-oic acid
(1) is reported. Treatment of the chromone (11) with hydrazine hydrate affords
the 3?-phenylpyrazole (20) while treatment with hydroxylamine hydrochloride
affords the 3?-phenylisoxazole (21).
Cited by
8 articles.
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