期刊
TETRAHEDRON
卷 63, 期 40, 页码 9991-9996出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2007.07.053
关键词
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The facile total synthesis of the (-)-Heliconol A (ent-1) as well as its diastereoisomer 18 is described, in which different reaction sequences lead to different results. The osmylation of 15 followed by hydrolysis afforded a single isomer 18, otherwise, a mixture of ent-1 and 18 resulted. Other important processes include the catalytic asymmetric CBS reduction and induced osmylation. The synthesis proceeded with a sequence of 11 steps, affording ent-1 in 9.0% and 18 in 22% overall yield, respectively. (c) 2007 Elsevier Ltd. All rights reserved.
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