Aziende Chimiche Riunite Angelini Francesco A.C.R.A.F. S.p.A.
发明人:
MARCHETTI, MARCELLO,IACOANGELI, TOMMASO,CIOTTOLI, GIOVANNI BATTISTA,BIONDI, GIUSEPPE
申请号：
PL08775309
公开号：
PL2178850T3
申请日:
2008.07.23
申请国别(地区):
PL
年份:
2015
代理人:
摘要：
A process of production of trazodone or trazodone hydrochloride that comprises； (a) preparing an organic phase comprising trazodone in at least one organic solvent； (b) preparing an aqueous phase comprising at least one basic compound； (c) mixing said aqueous phase with said organic phase； (d) heating at a temperature of at least 40° C. for at least 30 minutes； (e) recovering said trazodone； and, optionally, (f) treating said trazodone with hydrochloric acid to obtain trazodone hydrochloride. Trazodone or trazodone hydrochloride comprising less than 15 ppm of alkylating substances, and a pharmaceutical composition comprising said trazodone hydrochloride.
