Recyclization of 2-imino-2H-1-benzopyrans under the influence of nucleophilic reagents. 2. Reaction of 2-iminocoumarin-3-carboxamides with <i>o</i>-aminobenzenesulfonamide

Authors

  • C. Н. Коваленко Ukrainian Pharmaceutical Academy, Khar'kov 310002
  • B. П. Черных Ukrainian Pharmaceutical Academy, Khar'kov 310002
  • А. E. Шкарлат Ukrainian Pharmaceutical Academy, Khar'kov 310002
  • И. B. Украинец Ukrainian Pharmaceutical Academy, Khar'kov 310002
  • B. И. Гpидасов Ukrainian Pharmaceutical Academy, Khar'kov 310002
  • C. А. Руднев Ukrainian Pharmaceutical Academy, Khar'kov 310002

Abstract

2-Iminocoumarin-3-carboxamides recyclized into 3-(1,1-dioxo-2H-benzo-1,2,4-thiadiazinyl-3)coumarins under the Influence of o-aminobenzenesulfonamide. An alternative method of synthesis is discussed. Proposed mechanisms for the recyclization are discussed.

How to Cite
Kovalenko, S. N.; Chernykh, V. P.; Shkarlat, A. E.; Ukrainets, I. V.; Gridasov, V. I.; Rudnev, S. A. Chem. Heterocycl. Compd. 1998, 34, 791. [Khim. Geterotsikl. Soedin. 1998, 34, 916.]

For this article in the English edition, see DOI https://doi.org/10.1007/BF02251684

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Published

1998-07-25

Issue

No. 7 (1998)

Section

Original Papers