反应详情

1-Benzoyl-3-[1-(naphth-2-ylmethyl)piperid-4-yl]urea (prepared according to Example 1) is hydrolysed by refluxing in 2N sodium hydroxide to give [1-(naphth-2-ylmethyl)piperid-4-yl]urea (m.p. 183°-5° C.). The product is acylated by reaction with 4-methoxybenzoyl chloride to give the title compound, m.p. of HCl, quarterhydrate=193°-193.5° C.).