Synthesis of pipecolic acid derivatives via Aza-Diels-Alder reactions of thio-substituted 1,3-butadienes with iminium salts

被引:9
|
作者
Chou, SSP [1 ]
Hung, CC [1 ]
机构
[1] Fu Jen Catholic Univ, Dept Chem, Taipei 242, Taiwan
关键词
D O I
10.1081/SCC-120013722
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The titled compounds 1a-b were readily prepared by thermal desulfonylation of thio-substituted-3-sulfolenes 2a-b. The Aza-Diels-Alder reactions of 1a-b with iminium salts derived from alkyl or aryl amine hydrochlorides and ethyl glyoxalate gave the pipecolic acid derivatives 3-4 in good yields with complete control of regiochemistry.
引用
收藏
页码:3119 / 3126
页数:8
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