Inter-and intra-molecular cyclisation reactions of azoacetates derived from aryl hydrazones of ethyl acetoacetate and acetoacetanilides
The base induced cyclisations of azoacetates to azetidinones were investigated. In addition to the isolation of the desired products, it was found that 2-iminopyrrolidine-5-one derivatives as well as N-acyl hydrazides could be isolated when metal cyanides were employed as base. These entities were further modified to form pyrrolidine-2,5-diones and diazetidinones respectively. The Japan Institute of Heterocyclic Chemistry.
O'Halloran, Neil,James, John P.,Downey, Carol A.,O'Malley, Patrick,Duff, Thomas,Bertrand, Samuel
experimental part
p. 2681 - 2701
(2011/04/16)
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