Bioscience, Biotechnology, and Biochemistry
Online ISSN : 1347-6947
Print ISSN : 0916-8451
Organic Chemistry Notes
Two New Alkaloidal Taxoids from the Needles of Taxus canadensis
Qing-Wen SHIXiao-Tang SIYong-Ming ZHAOXiao-Hui SUXing LILolita O. ZAMIRTeiko YAMADAHiromasa KIYOTA
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2006 Volume 70 Issue 3 Pages 732-736

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Abstract

Two new taxanes with a dimethylamino group on the C-5 side chain were identified for the first time in the needles of the Canadian yew, Taxus canadensis. Their structures were characterized as 7β,10β,13α-triacetoxy-5α-(3′-dimethylamino-3′-phenylpropanoyl)oxy-2α-hydroxy-2(3→20)abeotaxa-4(20),11-dien-9-one (1) and 2α,10β-diacetoxy-9α-hydroxy-5α-(3′-dimethylamino-3′-phenylpropanoyl)oxy-3,11-cyclotax-4(20)-en-13-one (2).

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© 2006 by Japan Society for Bioscience, Biotechnology, and Agrochemistry
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