Cobalt(I) Catalysis in the Diastereoselective Two-Step Synthesis of Tricyclic Systems

被引：4
作者：
Erver, Florian [1 ]
Hilt, Gerhard [1 ]
Harms, Klaus [1 ]
机构：
[1] Univ Marburg, Fachbereich Chem, D-35043 Marburg, Germany
来源：
SYNTHESIS-STUTTGART | 2011年 / 06期
关键词：
alkyne; catalysis; cobalt; cycloaddition; diene; multicomponent reaction; hetero-Diels-Alder reaction; DIELS-ALDER REACTIONS; 2+2+2 CYCLOADDITION; ORGANIC-SYNTHESIS; BENZENE-DERIVATIVES; ALKYNES;
D O I：
10.1055/s-0030-1258433
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
The diastereoselective two-step synthesis of heterotricyclic systems is accomplished by regioselective cobalt-catalysed [4+2]- and [4+2+2]-cycloaddition reactions generating cyclohexa-1,4-diene and cycloocta-1,3,6-triene derivatives, and a hetero-Diels-Alder reaction. Thus, a set of selected cyclohexadienes and cyclooctatrienes were reacted with cyclic 1,3-diones and formaldehyde in a Knoevenagel-hetero-Diels-Alder multicomponent reaction to produce a variety of tricyclic products.
引用
收藏
页码：972 / 978
页数：7
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