Stereoselective synthesis of imidazolidine, imidazoline and imidazole C- and N-pseudonucleosides

被引:18
作者
Fernández-Bolaños, JG [1 ]
Zafra, E [1 ]
López, O [1 ]
Robina, I [1 ]
Fuentes, J [1 ]
机构
[1] Univ Sevilla, Fac Quim, Dept Quim Organ, E-41071 Seville, Spain
关键词
D O I
10.1016/S0957-4166(99)00314-6
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Methyl 2-deoxy-2-isothiocyanato-alpha-D-glucopyranoside 2, which exists in equilibrium with the corresponding 2,3-cyclic carbamate 1, reacts with D-glucosamine producing the pseudo-C and N-nucleoside of chiral imidazolidine-2-thione 3, in good yield and high stereoselectivity. Starting from 3, different pseudo-C- and N-nucleosides of imidazoline-2-thione 6-11, and of imidazole 12 and 13 are obtained. Conformational aspects of some of the prepared compounds are discussed. (C) 1999 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:3011 / 3023
页数:13
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