A method for catalytic synthesis of convenient thioxanthone crown ethers using Wells-Dawson, H6[P2W18O62] and Preyssler H14 [NaP5W30O110], heteropolyacid catalysts

被引：0
|
作者：
Gharib, A. [1 ,2 ]
Jahangir, M. [1 ]
Roshani, M. [1 ]
Scheeren, J. W. [3 ]
机构：
[1] Islamic Azad Univ, Dept Chem, Mashhad, Iran
[2] Agr Res & Serv Ctr, Mashhad, Iran
[3] Radboud Univ Nijmegen, Dept Organ Chem, Nijmegen, Netherlands
来源：
BULGARIAN CHEMICAL COMMUNICATIONS | 2010年 / 42卷 / 03期
关键词：
Heteropolyacid; Wells-Dawson; Preyssler; Thioxanthone; Crown ether; Catalyst;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Heteropolyacids (HPAs) were used as an effective catalyst for the synthesis of thioxanthone crown ethers from the reaction of thiosalicylic acid and benzocrown ethers. This reaction was carried out subsequently via intramolecular electrophilic cyclization. The reaction was in mild and clean conditions, and has high selectivity with good yields.
引用
收藏
页码：217 / 221
页数：5
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