Organotransition metal modified sugars -: Part 12 -: Hydroxynaphthyl C-glycosides via chromium-mediated benzannulation of a sugar alkyne

被引:28
作者
Paetsch, D [1 ]
Dötz, KH [1 ]
机构
[1] Univ Bonn, Kekule Inst Organ Chem & Biochem, D-53121 Bonn, Germany
关键词
benzannulation; carbenes and carbenoids; carbohydrates; chromium carbenes; glycosides;
D O I
10.1016/S0040-4039(98)02488-5
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Benzannulation of C-ethynyl glucoside 1 with electrophilic chromium carbene 2 affords Cr(CO)(3)-coordinated hydroxynaphthyl C-glycoside 3. The metal carbonyl fragment can be shifted by haptotropic migration or removed upon oxidation to give aryl C-glycosides 4 and 5. (C) 1998 Published by Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:487 / 488
页数:2
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