反应详情

Salicylaldehyde (27 g) is treated first with 11 g of 50% sodium hydride in 175 ml of dimethylformamide and then with 150 ml of a 2 N toluene solution of N-(3-chloropropyl)-piperidine following the procedure described in Example 31A, yielding 47.7 g of the title compound as an oil, boiling point 155°-160° C. at 0.2-0.3 mm of Hg.