1985•Journal of Heterocyclic ChemistryRequires access

Methylation of 3‐methyl‐ and 3‐phenyl‐4‐arylhydrazonoisoxazol‐5‐ones with methyl iodide and dimethyl sulfate

Shyam Singh, L. A. SUMMERS

Abstract

Abstract Methylation of 3‐methyl‐4‐arylhydrazonoisoxazol‐5‐ones with methyl iodide affords both 2,3‐dimethyl‐4‐arylazoisoxazol‐5‐ones and 3‐methyl‐4‐(N‐methylarylhydrazono)isoxazol‐5‐ones but with dimethyl sulfate only the former products are formed. 3‐Phenyl‐4‐arylhydrazonoisoxazol‐5‐ones behave in a similar way on methylation with methyl iodide and dimethyl sulfate.

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Key concepts: Dimethyl sulfate, Methyl iodide, Chemistry, Methylation, Sulfate, Iodide, Medicinal chemistry, Organic chemistry