Regiocontrolled intramolecular cyclizations of carboxylic acids to carbon-carbon triple bonds promoted by acid or base catalyst.
作者： Masanobu Uchiyama , Hiroki Ozawa , Kazuya Takuma , Yotaro Matsumoto , Mitsuhiro Yonehara
DOI: 10.1021/OL062190+
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摘要: … In order to achieve regioselective activations of the carbon−carbon triple bonds of 2-(2-phenylethynyl)benzoic acids (1a), we systematically examined the relationship between …
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