期刊
ORGANIC LETTERS
卷 21, 期 9, 页码 3431-3435出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.9b01197
关键词
-
资金
- Science and Engineering Research Board (SERB), New Delhi [EMR/2016/003677/OC]
- IIT, Madras
A metal-free directed C2,C3-cyclopropanation of suitably substituted indoles with alpha-diazo esters has been accomplished for the diastereoselective synthesis of cyclopropane-fused indolines in good yield. This method works well with a wide range of differently substituted alpha-diazo esters as well as indole derivatives and shown excellent compatibility for diverse directing group like pyridyl, pyrimidyl, acyl, and urea derivatives. Furthermore, the preliminary mechanistic investigation revealed the importance of directing group for the developed transformation.
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