期刊
TETRAHEDRON LETTERS
卷 50, 期 27, 页码 3849-3852出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2009.04.039
关键词
Titanium(III)-mediated radical cascade cyclization; Epoxypolyene; Vinylogous Mukaiyama aldol reaction; Triterpenoid
资金
- Japan Society for the Promotion of Science [18390010]
- Grants-in-Aid for Scientific Research [18390010] Funding Source: KAKEN
Stereocontrolled synthesis of a fully functionalized AB ring moiety of fomitellic acids was accomplished. The tricyclic skeleton was stereoselectively constructed by means of titanium(III)-mediated radical cascade cyclization of epoxypolyene. The stereochemistry at C1 and C3 was controlled by a vinylogous Mukaiyama aldol reaction and a Sharpless asymmetric epoxidation, respectively. (c) 2009 Elsevier Ltd. All rights reserved.
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