A Ready One‐Pot Preparation for Pyrrolo(2,1‐f) (1,2,4)triazine and Pyrazolo(5,1‐c)pyrimido(4,5‐e) (1,2,4)triazine Derivatives.

J. M. Quintela,María J. Moreira,Carlos Peinador

ChemInform（1996）

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摘要

Abstract Several new 2,4-disubstituted pyrrolo[2,1- f ][1,2,4]triazines and pyrazolo[5,1- c ]-pyrimido[4,5- e ][1,2,4]triazines are easily obtained from the reaction of N , N -dimethyldichloromethyleniminium chloride with 1 -aminopyrrole- 2 -carbonitrile 1 and ethyl 4-amino-3-cyanopyrazolo[5,1- c ][1,2,4]triazine-8-carboxylate 6 , respectively.

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