ALKALINE SCISSION OF A UREA UNIT IN 5-ALKYL-2-AMINO-N-UREIDO-3,4-DICYANOPYRROLES

Authors

  • А. Н. Лыщиков I. N. Ul'yanov Chuvash State University, Cheboksary
  • О. В. Пульхеровская I. N. Ul'yanov Chuvash State University, Cheboksary
  • А. Н. Васильев I. N. Ul'yanov Chuvash State University, Cheboksary
  • Я. С. Каюков I. N. Ul'yanov Chuvash State University, Cheboksary
  • О. Е. Насакин I. N. Ul'yanov Chuvash State University, Cheboksary

DOI:

https://doi.org/10.1007/206

Keywords:

diaminopyrroles, 1, 2, 4-triazepines, ureidopyrroles

Abstract

The scission of the urea group in 5-alkyl-2-amino-3,4-dicyano-N-ureidopyrroles on boiling in KOH solution in DMSO was observed to give 5-alkyl-1,2-diamino-3,4-dicyanopyrroles which were used for the synthesis of pyrrolo[1,2-b][1,2,4]triazepines by reaction with acetylacetone.

Authors: A. N. Lyshchikov, O. V. Pul'kherovskaya, A. N. Vasil'ev, Ya. S. Kayukov, and O. E. Nasakin.

English Translation in Chemistry of Heterocyclic Compounds, 2000, 36 (5), pp 532-536

http://link.springer.com/article/10.1007/BF02290839

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Published

2013-01-25

Issue

No. 5 (2000)

Section

Original Papers