Journal
TETRAHEDRON LETTERS
Volume 50, Issue 44, Pages 6079-6082Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2009.08.061
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Funding
- Ministry of Education, Science, Sports, and Culture, Japan
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Resolvin E1 (RvE1), which is an endogenous mediator to resolve inflammation, was synthesized by Wittig reaction between the C15-C20 aldehyde and the C10-C14 phosphonium salt possessing the vinyl iodo moiety followed by Suzuki-Miyaura coupling of the resulting vinyl iodide with the vinyl borane of the C1-C9 part, which was derived from the corresponding acetylene by hydroboration. The C5 and C18 chiral centers in these parts were created by the kinetic resolution of the racemic gamma-TMS allylic alcohols using the asymmetric epoxidation, while that of the C10-C14 part was constructed by the asymmetric hydrogen transfer reaction of the corresponding gamma-TMS acetylene ketone. (C) 2009 Elsevier Ltd. All rights reserved.
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