发明名称 PROCEDIMIENTO PARA LA PREPARACION DE ESTERES DE ACIDO GAMMA-CLOROACETOACETICO.
摘要 Esters of gamma -chloroacetoacetic acid may be prepared by reacting diketene and chlorine in the presence of a low boiling organic solvent at temperatures of -10 DEG to - 30 DEG C. and esterifying the reaction product while maintaining the aforementioned temperatures. This process produces yields up to 87 percent of theoretical with product purity of 97 to 98 percent.
申请公布号 ES365960(A1) 申请公布日期 1971.03.16
申请号 ES19690365960 申请日期 1969.04.12
申请人 LONZA, S. A. 发明人
分类号 C07C51/58 主分类号 C07C51/58
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