Rhodium(I)-catalysed hydrocarbonylation and silylcarbonylation reactions of alkynes in the presence of primary amines leading to 2-pyrrolidinones and 4-silylated 1-aza-1,3-butadienes

被引:29
作者
Bärfacker, L [1 ]
Hollmann, C [1 ]
Eilbracht, P [1 ]
机构
[1] Univ Dortmund, Dept Chem, D-44221 Dortmund, Germany
关键词
D O I
10.1016/S0040-4020(98)00160-4
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Rh(I)-catalysed hydrocarbonylation of alkynes 1 in the presence of primary amines gives substituted 2-pyrrolidinones 3 in a one-pot procedure. Replacement of hydrogen by hydrosilanes via silylcarbonylation leads to 4-silylated 1-aza-1,3-butadienes 5. These azadienes are converted with dimethyl acetylenedicarboxylate to 1,4-dihydropyridines 8 via Diels-Alder reaction. (C) 1998 Elsevier Science Ltd. All rights reserved.
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页码:4493 / 4506
页数:14
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