Heteropoly Acid Catalyzed Selective Cyclization of 6-Alkyl-3-propargylmercapto-1,2,4-triazin-5(2H)-one

Heteropoly Acid Catalyzed Selective Cyclization of 6-Alkyl-3-propargylmercapto-1,2,4-triazin-5(2H)-one

Cyclization of 6-alkyl-3-propargylmercapto-1,2,4-triazin-5(2H)-one, derivatives (2) in the presence of Keggin heteropoly acids, H3PW1212O40, H3PMo12O40, H4SiW12O40 and lacunary Keggin structure (K7PMo2W9O40) afforded 3 (3a = 6-dimethyl-7H-thiazolo[2,3-b][1,2,4]-triazin-7-one and 3b=6-ethyl-3-methyl...

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Bibliographic Details
Main Authors:	Fatemeh Hakim, Masoumeh Tabatabaee, Majid M. Hheravi, Mina Roshani, Fatemeh F. Bamoharam
Format:	Article
Language:	English
Published:	Wiley 2011-01-01
Series:	E-Journal of Chemistry
Online Access:	http://dx.doi.org/10.1155/2011/103913
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