Zhang De-jun
2006
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Journal
Chemistry & Bioengineering
Abstract
4-[(3-Methylphenyl)amino]-3-pyridinesulfonamide was synthesized by chlorination,ammonolysis,condensation and purification,using 4-hydroxy-3-pyridinesulfuric acid as the raw material.The process of chlorization、condensation and purification were improved.The total yield was 75%.