Ammonia in Ugi reactions - Four-component versus six-component couplings

被引:50
作者
Pick, R [1 ]
Bauer, M [1 ]
Kazmaier, U [1 ]
Hebach, C [1 ]
机构
[1] Univ Saarland, Inst Organ Chem, D-66041 Saarbrucken, Germany
关键词
ammonia; peptide; Ugi reactions; six-component coupling;
D O I
10.1055/s-2005-863722
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
If ammonia is used as amine component in Ugi reactions, the desired peptide sometimes is obtained only as the minor product or in traces. Side reactions such as six-component couplings are responsible for this observation. These side reactions can be suppressed or favoured depending on the reaction conditions used.
引用
收藏
页码:757 / 760
页数:4
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