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Bioscience, Biotechnology, and Biochemistry
Vol. 70 (2006) No. 3 P 732-736



Organic Chemistry Notes

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).

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

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