PROCESS FOR THE PREPARATION OF 6-HALOGENO-1,2-DISUBSTITUTED-5-ARYL-1,5,6,7-TETRAHYDRO[1,2,4]TRIAZOLO[5,1-b][1,3]THIAZIN-4-IUM SALTS

A process for the preparation of 6-halogeno-1,2-disubstituted-5-aryl-1,5,6,7-tetrahydro[1,2,4]triazolo[5,1-b][1,3]thiazin-4-ium salts involves electrophilic heterocylclization of cinnamylsubstituted 3-thio-1,2,4-triazoles. Cinnamyl thioethers of 4-R-3-thio-1,2,4-triazoles (I) are used as initial com...

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Hauptverfasser:	USENKO RUSLAN MYKOLAIOVYCH, LENDIEL VASYL HEORHIIOVYCH, SLYVKA MYKHAILO VASYLIOVYCH
Format:	Patent
Sprache:	eng ; rus ; ukr
Schlagworte:	CHEMISTRY HETEROCYCLIC COMPOUNDS METALLURGY ORGANIC CHEMISTRY
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