A novel process for the preparation of 3-phenyl-2-propenones of the formula
in which
R, Z and mhave the meanings given in the specification,
which process comprises reacting phenylmethanesulphonyl fluorides of the formula
in which
Z and mhave the meanings given in the specification,
with ketones of the formula
in which
A and Rhave the meanings given in the specification,
in the presence of a phase transfer catalyst and in the presence of acid binders and inert solvents.
一种制备式 3-苯基-2-
丙烯酮的新工艺
其中
R、Z 和 m 的含义见说明书、
该工艺包括使式如下的苯基甲磺酰
氟反应
其中
Z和m的含义见说明书、
与式中的酮反应
其中
A 和 Rh 的含义见说明书、
在有相转移催化剂、酸性粘合剂和惰性溶剂存在的情况下。