期刊
CHEMICAL SCIENCE
卷 9, 期 26, 页码 5767-5772出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8sc02041h
关键词
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资金
- Science and Engineering Research Board (SERB), New Delhi [EMR/2016/005045]
- Council of Scientific and Industrial Research (CSIR), New Delhi
The first iridium-catalyzed enantioselective vinylogous allylic alkylation of coumarins is presented. Using easily accessible linear allylic carbonates as the allylic electrophile, this reaction installs unfunctionalized allyl groups at the -position of 4-methylcoumarins in an exclusively branched-selective manner generally in high yields with an excellent level of enantioselectivity (up to 99:1 er).
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