Sulfonic Acid Functionalized Silica: A Mild, Reusable and Efficient Heterogeneous Catalyst for the Highly Diastereoselective Synthesis of cis-Isoquinolonic Acids

被引:16
作者
Karimi, Ali Reza [1 ]
Pashazadeh, Rahim [1 ]
机构
[1] Arak Univ, Dept Chem, Arak 38156, Iran
来源
SYNTHESIS-STUTTGART | 2010年 / 03期
关键词
sulfonic acid functionalized silica; cis-isoquinolonic acids; diastereoselective synthesis; three-component reaction; ONE-POT SYNTHESIS; RECOVERABLE INTERPHASE CATALYST; HOMOPHTHALIC ANHYDRIDE; 3-COMPONENT REACTION; RECYCLABLE CATALYST; CARBONYL-COMPOUNDS; SOLID ACIDS; IMINES; AMINES; KAL(SO4)(2)CENTER-DOT-12H(2)O;
D O I
10.1055/s-0029-1218595
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Sulfonic acid functionalized silica (SAFS) is found to be a recyclable heterogeneous catalyst for the rapid and efficient synthesis of various cis-isoquinolonic acids from the three-component condensation reaction of homophthalic anhydride, an amine, and an aldehyde. This reaction was highly diastereoselective and only one diastereomer was obtained in all cases.
引用
收藏
页码:437 / 442
页数:6
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