Absolute configuration of (-)-biflora-4,10(19),15-triene,a diterpene from a termite soldier,as determined by the synthesis of its (1R, 6S, 7S, 11R)-(+)-isomer |
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Authors: | Kenji Mori Michiru Waku |
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Affiliation: | Department of Agricultural Chemistry, The University of Tokyo, Yayoi 1-1-1, Bunkyo-ku, Tokyo 113, Japan |
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Abstract: | (1R, 6S, 7S, 11R)-(+)-Biflora-4, 10(19),15-triene was synthesized starting from (r)-(+)-citronellic acid. This enabled us to assign (1S), 6R, 7R, (11S)-stereochemistry to the naturally occurring (-)-enantiomer isolated from soldiers of the termite species Cubitermes umbratus. |
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