期刊
ORGANIC LETTERS
卷 16, 期 1, 页码 178-181出版社
AMER CHEMICAL SOC
DOI: 10.1021/ol4031638
关键词
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资金
- National Research Foundation of Korea [2011-0022343]
- National Research Foundation of Korea [2011-0022343] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Aryl hydrazides bearing a carbonyl function connected through an alkyne tether underwent an intramolecular Fischer indolization and alkyne hydroarylation in a tandem fashion to afford novel tetracyclic chromeno-indoles. The accompanying isomerization of the 2H-chromene double bond can be avoided by stopping the tandem process at the indolophane stage and conducting the alkyne-hydroarylation reaction separately in the absence of a proton source.
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