期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 53, 期 22, 页码 5653-5656出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201400602
关键词
cycloaddition; dyes; heterocycles; photochemistry; synthetic methods
资金
- National Science Foundation of China [21232003, 21202053, 21272087]
- National Basic Research Program of China [2011CB808603]
A photocatalytic formal [3+2] cycloaddition of 2H-azirines with alkynes has been achieved under irradiation by visible light in the presence of organic dye photocatalysts. This transformation provides efficient access to highly functionalized pyrroles in good yields and has been applied to the synthesis of drug analogues. A primary trial of photocascade catalysis merging energy transfer and redox neutral reactions was shown to be successful.
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