1-(3-BUTOXY PROPYL) -4-OXOPIPERIDINE AS INTERMEDIATE COMPOUND IN SYNTHESIS OF 1-(3-BUTOXY PROPYL) -4-PHENYL-4-PROPIONYLOXYPIPERIDINE HYDROCHLORIDE HAVING ANALGESIC ACTIVITY

摘要

FIELD: organic chemistry. SUBSTANCE: 3-butoxy propyl-bis- (2methoxycarbonylethyl)amine is used as reagent 1, sodium methylate is used as reagent 2. Desired product is prepared by cyclization at 90-95 C. The process is carried out in toluene. EFFECT: improves quality of desired product. 2 tbl