Selective synthesis of both isomers of morphine 6-β-d-glucuronide and their analogs
作者:Igor Rukhman、Lev Yudovich、Gennadiy Nisnevich、Arie L Gutman
DOI:10.1016/s0040-4020(00)01080-2
日期:2001.2
A stereoselective synthesis of both isomers of the pharmaceutically important morphine 6-beta -D-glucuronide (M6G) and its analogs was developed. The method is based on the use of ZnBr2 for the key coupling reaction. It was shown that the alpha/beta stereoselectivity of the reaction can he directed and controlled by the amount of ZnBr2. This paper describes the synthesis, analysis and characterization of the Lu-isomer of M6C, useful as a reference marker for testing purity and stability of the morphine 6-beta -D-glucuronide (M6G). (C) 2001 Elsevier Science Ltd. All rights reserved.
6-O-Glycosylation of Morphine Derivatives Using Thioglycosides as Glycosyl Donors
作者:Igor Rukhman、Lev Yudovich、Gennadiy Nisnevich、Arie L. Gutman
DOI:10.1055/s-2000-6413
日期:——
A novel approach was developed for the synthesis of the pharmaceutically important morphine and dihydromorphine 6-β-d-glucuronides. The key step involves a selective 6-O-glycosylation of 3-O-protected morphines and dihydromorphines with thioglycosides that serve as glycosyl donors in the presence of thiophilic promoters. This novel approach may be useful for the O-glycosylation of other alkaloid derivatives.