Cobalt(I)-catalyzed [6+2] cycloadditions of cyclooctatetra(tri)ene with alkynes

被引：46
|
作者：
Achard, M [1 ]
Mosrin, M [1 ]
Tenaglia, A [1 ]
Buono, G [1 ]
机构：
[1] Univ Aix Marseille P Cezanne, Lab Synth Asymetr, CNRS,EGIM, UMR 6180,Fac Sci & Tech St Jerome, F-13397 Marseille 20, France
来源：
JOURNAL OF ORGANIC CHEMISTRY | 2006年 / 71卷 / 07期
关键词：
D O I：
10.1021/jo052630v
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
The cobalt-catalyzed [6+2] cycloaddition of cyclooctatetraene 1 with alkynes 3 affords monosubstituted bicyclo[4.2.2]-deca-2,4,7,9-tetraenes 4 in fair to good yields. Due to the valence tautomerism, 1,3,5-cyclooctatriene 2, in equilibrium with bicyclo[4.2.0]octa-2,4-diene A, and alkynes 3 are converted to 10 and 11 according to [6+2] and [4+2] cycloadditions, respectively.
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收藏
页码：2907 / 2910
页数：4
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