Hi, We are struck in N-methylation by dimethyl sulfate to 1-phenyl-3-methyl-5-pyrazolone. we have tried in alkaline medium, but no product obtained?

Shreenivas R Deshpande @Shreenivas-Deshpande

15 March 2019 0 4K Report

Any tips? or any other suitable method? Please give your suggestions

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