申请人:AMERICAN HOME PRODUCTS CORPORATION
公开号:EP0248614A1
公开(公告)日:1987-12-09
A process is described for preparing 3-hydroxy-3-phenyl-butan-2-one, useful in the preparation of acifran, in high yields by reacting 2,3-butanedione with the appropriate Grignard reagent at low temperature in tetrahydrofuran or admixtures thereof with toluene.
描述了一种制备 3-羟基-3-苯基-2-丁酮的工艺,该工艺通过 2,3-丁二酮与适当的格氏试剂在低温下在四氢呋喃或其与甲苯的混合物中发生反应,从而高产率地制备出用于制备阿昔夫兰的 3-羟基-3-苯基-2-丁酮。