期刊
ORGANIC LETTERS
卷 14, 期 18, 页码 4926-4929出版社
AMER CHEMICAL SOC
DOI: 10.1021/ol302270z
关键词
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资金
- National Basic Research Program of China (973 Program) [2009CB825300]
- National Science Foundation of China [21172006]
- Peking University
A novel and efficient copper or nickel catalyzed highly selective denitrogenative annulation of vinyl azides with aryl acetaldehydes has been developed. 2,4- and 3,4-diaryl substituted pyrroles, which are difficult to synthesize by the reported methods, can be highly regioselectively prepared by this protocol simply switched by the selection of the transition metal catalysts. Compared with the reported acidic or basic conditions for polysubstituted pyrrole synthesis, the present reaction conditions are mild, neutral, and very simple without any additives.
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