3-AMINOPYRROLE-2,5-DIONES. 3. SYNTHESIS OF BENZENEHEXACARBOXYLIC ACID TRIMETHYLIMIDE AND 1,1'-DIMETHYL-4-METHYLAMINO[3,3']BIPYRROLYL-2,5,2',5'-TETRAONE BY THE REACTION OF 1-METHYL-3-METHYLAMINOPYRROLE-2,5-DIONE WITH HYDROGEN CHLORIDE

Authors

  • С. В. Чепышев Ukrainian State University of Chemical Engineering, Dnepropetrovsk 49005
  • Ю. Н. Чепышева Ukrainian State University of Chemical Engineering, Dnepropetrovsk 49005
  • А. Б. Рябицкий Institute of Organic Chemistry, National Academy of Sciences of Ukraine, Kiev 03660
  • А. В. Просяник Ukrainian State University of Chemical Engineering, Dnepropetrovsk 49005

DOI:

https://doi.org/10.1007/6642

Keywords:

3, 3'-bipyrrolyl-2, 5, 2', 5'-tetraone, pyrrole-2, 5-dione, benzenehexacarboxylic acid trimethylimide

Abstract

In the presence of hydrogen chloride in aqueous methanol 1-methyl-3-methylaminopyrrole-2,5-dione forms benzenehexacarboxylic acid trimethylimide but gives 1,1'-dimethyl-4-methylamino[3,3']bipyrrolyl-2,5,2',5'-tetraone when absolute methanol is used.

How to Cite
Chepyshev, S. V.; Chepysheva, Yu. N.; Ryabitsky, A. B.; Prosyanik, A. V.   Chem. Heterocycl. Compd. 2009, 45, 823. [Khim. Geterotsikl. Soedin. 2009, 1040.]

For this article in the English edition see DOI 10.1007/s10593-009-0355-y

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Published

2022-03-01

Issue

No. 7 (2009)

Section

Original Papers