Jiangsu Provincial Key Laboratory of Coast Wetland Bioresource and Environment Protection

Yancheng, China

Jiangsu Provincial Key Laboratory of Coast Wetland Bioresource and Environment Protection

Yancheng, China
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Peng H.,Yancheng Normal University | Hu Y.,Yancheng Normal University | Xing R.,Yancheng Normal University | Fang D.,Jiangsu Provincial Key Laboratory of Coast Wetland Bioresource and Environment Protection | Fang D.,Yancheng Normal University
Monatshefte fur Chemie | Year: 2015

Three novel heteropolyanion-based acidic ionic liquids, [TMAPS]H2PMo12O40, [TEAPS]H2PMo12O40, and [TBAPS]H2PMo12O40, were used as efficient catalysts for the synthesis of 3,4-dihydropyrimidin-2(1H)-one derivatives by modified Biginelli-type reaction in good yields and high purity. The products could simply be separated from the reaction/catalytic system, and the catalysts could be recovered and reused conveniently without noticeable influence on the catalytic results. Graphical abstract: [Figure not available: see fulltext.] © 2015 Springer-Verlag Wien.


Fang D.,Jiangsu Provincial Key Laboratory of Coast Wetland Bioresource and Environment Protection | Fang D.,Nanjing University of Science and Technology | Zhang D.-Z.,Jiangsu Provincial Key Laboratory of Coast Wetland Bioresource and Environment Protection | Liu Z.-L.,Nanjing University of Science and Technology
Monatshefte fur Chemie | Year: 2010

For the first time, 3,4-dihydropyrimidin-2(1H)-one and 3,4- dihydropyrimidin-2(1H)-thione derivatives have been synthesized in good yields by a modified Biginelli-type reaction with dicationic acidic ionic liquids as catalysts. The products could be separated simply from the catalyst-water system, and the catalysts could be reused at least six times without noticeably reducing catalytic activity. © 2010 Springer-Verlag.

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