Yang Shao-juan
2012
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Guangzhou Chemical Industry
Abstract
The synthesis method of 3-chloro-4-methylpyridazine was introuced,which was an important intermediate of pesticides and anti-viral drugs.The synthesis was accomplished in four steps,with hydrazine hydrate and citraconic anhydride as the start raw materisls.And its structure was verified by 1HNMR.The total product yield was 30%.This program with mild reaction conditions,realily available materials,and easy operation,was suitable for industrial production.