abstract |
(57) Abstract: A method for N-alkylating pyrazole is provided. A method for producing (III) from (I) and (II), wherein a crystalline aluminosilicate or crystalline aluminophosphate is used as a catalyst, which is a method for N-alkylating pyrazole. Embedded image (R 1 , R 2 and R 3 represent hydrogen, alkyl, alkenyl or phenyl, R represents alkyl, Q represents hydrogen, alkyl or COOR.) |