发明名称 VERFAHREN ZUR HERSTELLUNG VON GAMMA- CHLORACETESSIGSAEUREESTERN
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 DE1914125(B2) 申请公布日期 1977.08.04
申请号 DE19691914125 申请日期 1969.03.20
申请人 发明人
分类号 C07C51/58 主分类号 C07C51/58
代理机构 代理人
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