Samarium(III) catalyzed one-pot construction of coumarins

被引:107
作者
Bahekar, SS
Shinde, DB [1 ]
机构
[1] Dr Babasaheb Ambedkar Marathwada Univ, Dept Chem Technol, Aurangabad 431004, Maharashtra, India
[2] Natl Cheang Kung Univ, Dept Chem, Tainan, Taiwan
关键词
coumarins; Pechmann condensation; Lewis acid catalysts;
D O I
10.1016/j.tetlet.2004.09.013
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Samarium(III) nitrate hexahydrate as a catalyst is used as an alternative to conventional acid catalysts in the von Pechmann condensation of phenols with ethyl acetoacetate leading to the formation of coumarin derivatives. (C) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码:7999 / 8001
页数:3
相关论文
共 27 条
[1]  
[Anonymous], 1914, CHEM BER-RECL, DOI DOI 10.1002/CBER.191404702131
[2]  
[Anonymous], ORG REACT
[3]  
[Anonymous], 1884, CHEM BER
[4]   Aldol condensation of beta-diketones and beta-ketoesters with aldehydes catalyzed by samarium(III) iodide [J].
Bao, WL ;
Zhang, YM ;
Wang, JG .
SYNTHETIC COMMUNICATIONS, 1996, 26 (16) :3025-3028
[5]   SYNTHESIS AND RAT LENS ALDOSE REDUCTASE INHIBITORY ACTIVITY OF SOME BENZOPYRAN-2-ONES [J].
BRUBAKER, AN ;
DERUITER, J ;
WHITMER, WL .
JOURNAL OF MEDICINAL CHEMISTRY, 1986, 29 (06) :1094-1099
[6]  
Brufola G, 1996, HETEROCYCLES, V43, P1257
[7]  
de la Hoz A, 1999, SYNLETT, P608
[8]   Microwave acceleration of the Pechmann reaction on graphite/montmorillonite K10:: application to the preparation of 4-substituted 7-aminocoumarins [J].
Frère, S ;
Thiéry, V ;
Besson, T .
TETRAHEDRON LETTERS, 2001, 42 (15) :2791-2794
[9]  
Jones G., 1967, ORGANICREACTIONS, V15, P204, DOI [DOI 10.1002/0471264180.OR015.02, 10.1002/0471264180.or015.02]
[10]  
Khandekar AC, 2002, SYNLETT, P152