反应详情

A suspension of 5.5 g of 6-(3-chloropropyl)-3H-benzoxazol-2-one in 50 ml of ethanol is admixed with 5.7 g of 4-(4-fluorobenzyl)piperidine hydrochloride and 7.2 ml of triethylamine. The mixture is stirred under reflux for one hour and subjected to customary workup to give 8.5 g of 6-{3-[4-(4-fluorobenzyl)piperid-1-yl]propyl}-3H-benzoxazol-2-one, m.p. 105-107°.

1. temperatureunder reflux for one hour