Journal of the Chemical Society. Perkin transactions I p. 1891 - 1895 (1981)
Update date:2022-08-04
Topics: Synthesis Pyrazoles Experimental
Barluenga, Jose
Lopez-Ortiz, J. Francisco
Tomas, Miguel
Gotor, Vicente
Di-imines (1) react with thionyl chloride and sulphur monochloride and dichloride giving different 1,2,6-thiadiazine S-oxides (3) and 1,2,6-thiadiazines (4), respectively.These last two compounds lead, by heating, to pyrazoles (6) via thermal extrusion of
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