RING CONTRACTION OF THIA(SELENO)DIAZINE RINGS INTO PYRAZOLES IN THE REACTION OF 3-ARYL-10-METHYL-1H-1,3,4-THIA(SELENO)DIAZINOBENZIMIDAZOLIUM SALTS WITH BASES

DOI: 10.1007/BF00531304

Source and publish data:

Chemistry of Heterocyclic Compounds p. 1461 - 1467 (1992)

Update date:2022-07-30

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Authors:

Kuz'menko, T. A.

Kuz'menko, V. V.

Kryshtalyuk, O. V.

Pozharskii, A. F.

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Article abstract of DOI:10.1007/BF00531304

Reaction of 3-aryl-10-methyl-2H-1,3,4-thiadiazino<3,2-a>benzimidazolium salts with triethylamine led to ring contraction of the thiadiazine ring to a pyrazole ring with the formation of a mixture of derivatives of 3-mercaptopyrazolobenzimidazole and di(py

Full text of DOI:10.1007/BF00531304

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