Synthesis of dendryphiellin C, a trinor-sesquiterpene from a marine source
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作者:
Akao, H
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Univ Tokyo, Grad Sch Agr & Life Sci, Dept Appl Biol Chem, Bunkyo Ku, Tokyo 1138657, JapanUniv Tokyo, Grad Sch Agr & Life Sci, Dept Appl Biol Chem, Bunkyo Ku, Tokyo 1138657, Japan
Akao, H
[1
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Kiyota, H
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Univ Tokyo, Grad Sch Agr & Life Sci, Dept Appl Biol Chem, Bunkyo Ku, Tokyo 1138657, JapanUniv Tokyo, Grad Sch Agr & Life Sci, Dept Appl Biol Chem, Bunkyo Ku, Tokyo 1138657, Japan
Kiyota, H
[1
]
Nakajima, T
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Univ Tokyo, Grad Sch Agr & Life Sci, Dept Appl Biol Chem, Bunkyo Ku, Tokyo 1138657, JapanUniv Tokyo, Grad Sch Agr & Life Sci, Dept Appl Biol Chem, Bunkyo Ku, Tokyo 1138657, Japan
Nakajima, T
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]
Kitahara, T
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Univ Tokyo, Grad Sch Agr & Life Sci, Dept Appl Biol Chem, Bunkyo Ku, Tokyo 1138657, JapanUniv Tokyo, Grad Sch Agr & Life Sci, Dept Appl Biol Chem, Bunkyo Ku, Tokyo 1138657, Japan
Kitahara, T
[1
]
机构:
[1] Univ Tokyo, Grad Sch Agr & Life Sci, Dept Appl Biol Chem, Bunkyo Ku, Tokyo 1138657, Japan
Enantioselective synthesis of dendryphiellin C, isolated from cultures of Dendryphiella sarina, has been achieved in a convergent way such as coupling of a C9-branched carboxylic acid 10 with a trinor-eremophilane alcohol 11. The latter was synthesized starting from a chiral building block, (1S,5S,6R)-5-hydroxybicyclo[4.1.0]heptan-2-one 16, which was originally prepared in this group using biochemical transformation as a key step. The synthesis was completed through 12 steps from 16 in overall 2.4% yield. (C) 1999 Elsevier Science Ltd. All rights reserved.