| Literature DB >> 17877402 |
Jin-Mo Ku1, Byeong-Seon Jeong, Sang-sup Jew, Hyeung-geun Park.
Abstract
An enantioselective synthetic method for (-)-cis-clavicipitic acid (1) was reported. 1 was obtained in 10 steps (99% ee and 20% overall yield) from 1H-indole-3-carboxylic acid methyl ester (9) via asymmetric phase-transfer catalytic alkylation and diastereoselective Pd(II)-catalyzed intramolecular aminocyclization as key steps.Entities:
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Year: 2007 PMID： 17877402 DOI： 10.1021/jo071162h
Source DB: PubMed Journal: J Org Chem ISSN： 0022-3263 Impact factor: 4.354