Lhoëst G, Maton N, Verbeeck R
Department of Pharm. Sciences--UCL, Laboratory of Mass Spectrometry, Brussels, Belgium.
Pharm Acta Helv. 1993;68(1):35-41. doi: 10.1016/0031-6865(93)90006-r.
A new demethylated metabolite, extracted from erythromycin-induced rabbit liver microsomes incubation media, isolated by HPLC and identified by FAB/MS and NMR, is described. Moreover, NMR spectra suggest the existence of tautomeric forms of this O-demethylated metabolite of FK506.
描述了一种新的去甲基化代谢产物,它从红霉素诱导的兔肝微粒体孵育介质中提取,通过高效液相色谱法(HPLC)分离,并通过快原子轰击质谱法(FAB/MS)和核磁共振法(NMR)鉴定。此外,核磁共振谱表明存在这种FK506的O-去甲基化代谢产物的互变异构形式。