Rhodium(I)-catalyzed [3+2+2]-cyclization of alkenyl Fischer carbene complexes with methyl buta-2,3-dienoate

被引：14
|
作者：
Barluenga, Jose [1 ]
Vicente, Ruben [1 ]
Lopez, Luis A. [1 ]
Tomas, Miguel [1 ]
机构：
[1] Univ Oviedo, Inst Univ Quim Organomet Enrique Moles, Unidad Asociada CSIC, E-33071 Oviedo, Spain
来源：
TETRAHEDRON | 2010年 / 66卷 / 33期
关键词：
Fischer carbenes; Rhodium(I) carbenes; Allenes; Cycloaddition; Carbene transfer; TRANSITION-METAL-COMPLEXES; ORGANIC SYNTHESES; REACTIVITY ENHANCEMENT; CHEMICAL MULTITALENTS; CHIRAL BUTADIENES; 3+2 CYCLIZATION; IRON COMPLEXES; CHROMIUM; RHODIUM; METHYLENATION;
D O I：
10.1016/j.tet.2010.04.130
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
A variety of alkenyl chromium Fischer carbene complexes react with methyl buta-2,3-dienoate in the presence of a rhodium catalyst to afford substituted cycloheptene derivatives 7, along with minor amounts of cyclopentene derivatives 6. Through this [3+2+2]-cyclization two allene units and one alkenyl carbene ligand are assembled in a selective manner. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码：6335 / 6339
页数：5
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