Reactions of β-(lithiomethyl)azines with nitriles as a route to pyrrolo-pyridines, -quinolines, -pyrazines, -quinoxalines and -pyrimidines
作者:Michael L. Davis、Basil J. Wakefield、Jacklyn A. Wardell
DOI:10.1016/s0040-4020(01)88196-5
日期:——
Deprotonation of 3-methylazines, followed by reaction with benzonitile, gives an intermediate which, on treatment with additional strong base, cyclises to give 2-phenyl[1H]-pyrrolo[2,3-b]pyridine. The application of this type of reaction to a variety of nitriles and β-methylazines (pyridines, quinolines, pyridines, quinoxalines and pyrimidines) is described.
3-甲基嗪的去质子化,然后与苯甲腈反应,得到一种中间体,该中间体在用另外的强碱处理后,环化成2-苯基[1H]-吡咯并[2,3-b]吡啶。描述了将这种类型的反应应用于各种腈和β-甲基嗪(吡啶,喹啉,吡啶,喹喔啉和嘧啶)。