反应详情

A solution of methyl (Z)-7-phthalimidohept-5-enoate (1.56 g) in acetone (30 ml), concentrated hydrochloric acid (15 ml) and water (15 ml) was refluxed for 2.5 hours. Water (180 ml) was added and the solution was cooled. The precipitate was collected by filtration to give the title compound (1.2 g). m.p. 86°-88° C.

1. temperaturethe solution was cooled
2. filtrationThe precipitate was collected by filtration