反应详情

An excess solution of diazomethane in ether was added to an ice-cooled and stirred solution of m-chlorobenzoic acid (8.26 g, 52.8 mmol) in 50 ml of ether. The mixture was concentrated and distilled under reduced pressure to give a colorless transparent oil of methyl m-chlorobenzoate (6.1 g, 35.8 mmol, yield 67.8%, b.p. 116°-121° C./21 mmHg), which was assigned the structure by the following data:

1. temperaturecooled
2. concentrationThe mixture was concentrated
3. distillationdistilled under reduced pressure