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Process for the preparation of pyrazole derivatives of the general formula: ** (See formula) ** wherein n is an integer between 1 and 5, characterized by reacting suitably the sodium salt of 1-benzyl-3-oxy-1H-indazole, with an ester of p-toluenesulfonic acid, of the general formula: (see formula) (Machine-translation by Google Translate, not legally binding)
ES0330731A1966-08-221966-08-22Procedure for the preparation of pirazolic derivatives. (Machine-translation by Google Translate, not legally binding)
ExpiredES330731A1
(en)