期刊
ORGANIC LETTERS
卷 21, 期 12, 页码 4531-4534出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.9b01431
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资金
- China Scholarship Council
- Deutsche Forschungsgemeinschaft [Oe 249/18-1]
A transfer hydrobromination of C-C triple bonds inititated by Bronsted acids is reported. Hydrogen bromide is released stepwise from a bench-stable cyclohexa-1,4-diene-based surrogate, generating biphenyl and ethylene as waste. A range of vinyl bromides was prepared from terminal and internal, mainly acceptor-substituted alkynes with good functional-group tolerance.
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