Journal of Natural Products 1994-Jul
Isolation and structure elucidation of new taxoids from Taxus brevifolia.
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Abstract
An investigation of Taxus brevifolia extracts afforded two taxoids characterized by the A-nortaxol ring system. These were identified as 7,13-dideacetyl-9,10- debenzoyltaxchinin C [1] and 9-deacetyl-9-benzoyl-10-debenzoylbrevifoliol [4]. Structures were elucidated by spectroscopic methods, and in particular by comparison of nmr data with those of taxchinin C and brevifoliol.