Patent ID: 6875875
Filing Date: 2005-04-05
Classification: C07D

Abstract:
1. A process for preparing glycidylphthalimide represented by the following formula (1): which comprises reacting in an alcohol solvent an alkali metal phthalimide represented by the following formula (2): wherein M is an alkali metal, with an epihalohydrin represented by the following formula (3): wherein X is a halogen atom; or reacting phthalimide and an epihalohydrin (3) in an organic solvent in the presence of an alkali metal carbonate, an alkali metal hydrogencarbonate or a quatenary ammonium salt (4) represented by the following formula: wherein R to prepare a N-(3-halogeno-2-hydroxypropyl)phthalimide represented by the following formula (5): wherein X is the same as defined above, cyclizing the compound (5) with an alkali metal alkoxide, and recovering the resultant glycidylphthalimide.