反应详情

53.6 g of bromomethyl isobutyl ketone is added to 78.5 g of triphenylphosphine and the cooled reaction mixture is recrystallized in methylene chloride/ether (1:2). 111.7 g of isobutylcarbonylmethyltriphenylphosphonium bromide with a melting point of 244°-245° C., is obtained.

1. customthe cooled reaction mixture
2. customis recrystallized in methylene chloride/ether (1:2)