The application of disubstituted vinylogous iminium salts and related synthons to the regiocontrolled preparation of unsymmetrical 2,3,4-trisubstituted pyrroles

被引:57
作者
Gupton, JT [1 ]
Krumpe, KE
Burnham, BS
Dwornik, KA
Petrich, SA
Du, KX
Bruce, MA
Vu, P
Vargas, M
Keertikar, KM
Hosein, KN
Jones, CR
Sikorski, JA
机构
[1] Univ N Carolina, Dept Chem, Asheville, NC 28804 USA
[2] Univ Cent Florida, Dept Chem, Orlando, FL 32816 USA
[3] GD Searle & Co, R&D, St Louis, MO 63198 USA
基金
美国国家科学基金会;
关键词
pyrroles; vinylogous iminium salts; vinylogous amides; chloroenals;
D O I
10.1016/S0040-4020(98)00247-6
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Reactions of 2,3-disubstituted chloropropeniminium salts and related synthons with ethyl glycinate, ethyl N-methylglycinate, and ethyl N-benzylglycinate have been studied tinder acidic, basic and neutral conditions. Such reactions have resulted in efficient and selective methodology for the synthesis of unsymmetrical 2,3,4-trisubstituted pyrrole systems. (C) 1998 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:5075 / 5088
页数:14
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