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Synthesis, stereochemistry confirmation and biological activity evaluation of a constituent from Isodon excisus by Xuechao Xing; Pei Ho; Geoffroy Bourquin; Li-An Yeh; Gregory D Cuny is a Chemistry article available to read on EtoBox.

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A synthesis and stereochemistry confirmation of a constituent recently isolated from the whole plant Isodon excisus is reported. An enantioselective catalytic boron-mediated reduction of an a-bromoketone was utilized in the key synthetic transformation. The methodology described herein was also used for the synthesis of the natural product's enantiomer and several derivatives. In addition, the compounds were evaluated for inhibitory activity in a caspase induction assay. The natural product was found to be devoid of activity, but several derivatives had moderate inhibitory activity (EC 50 ,1 mM).

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Author

Xuechao Xing; Pei Ho; Geoffroy Bourquin; Li-An Yeh; Gregory D Cuny

Publisher

Elsevier Science; Elsevier ; Elsevier Ltd.; Elsevier BV (ISSN 0040-4020)

Published

2003

Language

EN

Field

Chemistry (Physical Sciences)