作者:H. He、G. McKay、K. K. Midha
DOI:10.3109/00498259509061899
日期:1995.1
examined by 1H-nmr, ES/MS and EI/MS. The structure of the methoxy-4'-hydroxybenztropine metabolite was determined by EI/MS. 4'-Hydroxybenztropine N-oxide was identified by reacting it with a reducing agent, titanous chloride, to form 4'-hydroxybenztropine, which was then confirmed by comparing its EI/MS and ES/MS behaviour with a previously isolated and 1H-nmr-authenticated sample. In addition, four intact
口服苯甲酸(10 mg / kg,体重)后,I相代谢产物,苯甲酸N-氧化物,N-去甲基苯并吡啶,托品,4'-羟基苯并-托品,N-去甲基-4'-羟基并苯,4'-通过GC-电子碰撞质谱(EI GC / MS),微柱LC-电喷雾质谱(ES LC /)分离并鉴定了大鼠尿液和胆汁中的羟基苯并曲氮平N-氧化物和甲氧基-4'-羟基苯并曲普林以及未代谢的苯并曲平MS)和hplc,然后进行MS分析。通过与真实的参考标准品进行比较,确认了分离出的N-去甲基苯并卓品,N-氧化苯并品氮和Tropine的质谱和色谱性质。通过薄层色谱法从尿液中分离出足够量的4'-羟基苯并曲氮平和N-去甲基-4'-羟基苯并曲平,并用1H-nmr检查,ES / MS和EI / MS。通过EI / MS确定了甲氧基-4'-羟基苯卓平代谢产物的结构。通过将其与还原剂氯化钛反应生成4'-羟基苯并氮identified,鉴定出4'-羟基苯并氮N