138480-75-8Relevant articles and documents
New Pyrazol Derivatives. IV. Preparation and Cyclization of Some Acceptor-Substituted N-(Pyrazol-3-yl)-thioureas
Eisenaecher, Th.,Pech, R.,Boehm, R.
, p. 437 - 446 (2007/10/02)
3-Aminopyrazol-4-carboxylic acid derivatives (1,2) were transformed by reaction with different isothiocyanates R2NCS to N-(pyrazol-3-yl)-N'-substituted thioureas (5,6).Ethyl 3-amino-1-benzylpyrazol-4-carboxylate reacts with CSCl2 to form ethyl