Patent ID: 6376719
Filing Date: 2002-04-23
Classification: C07C

Abstract:
A method for producing an alkaline earth metal salt of a &bgr;-diketo compound from a powdery alkaline earth metal compound and an aliphatic &bgr;-diketo compound, wherein 2.24 mol or more of the aliphatic &bgr;-diketo compound is used relative to 1 mol of the alkaline earth metal compound,which comprises carrying out a reaction (1) while supplying the alkaline earth metal compound and the aliphatic &bgr;-diketo compound to a reactor in a molar ratio of 1/2.04 to 1/5 (the former/the latter) continuously or intermittently, or (2) by adding the aliphatic &bgr;-diketo compound to the powdery alkaline earth metal compound continuously or intermittently, and drying the resulting product in an atmosphere of an inert gas at a temperature of 100 to 180Â° C., wherein the total amount of the aliphatic &bgr;-diketo compound is from 2.2 to 3 mol relative to 1 mol of the powdery alkaline earth metal compound.