[γ-Fe2O3@HAp-SO3H] an efficient nanocatalyst for the synthesis of highly functionalised 2-thioxopyrido[2,3-d]pyrimidines

被引：6

作者：

Mamaghani, Manouchehr ^{[1
,2
]}

Taati, Zahra ^{[1
]}

Rasoulian, Mona ^{[1
]}

Yousefizad, Javad ^{[2
]}

Toraji, Nooshin ^{[2
]}

Mohsenimehr, Mona ^{[1
]}

Nia, Roghayeh Hossein ^{[1
]}

机构：

[1] Univ Guilan, Fac Sci, Dept Chem, POB 41335-1914, Rasht, Iran

[2] Islamic Azad Univ, Fac Sci, Dept Chem, Rasht Branch, POB 41335-3516, Rasht, Iran

来源：

JOURNAL OF CHEMICAL RESEARCH | 2016年 / 01期

关键词：

nanocatalyst; magnetic nanoparticles; 2-thioxopyridopyrimidine; 6-aminothiouracil; cyanopyrido[2,3-d]pyrimidine-5-one; thioxodihydropyrimidine-4,6(1H,5H)-dione; ONE-POT SYNTHESIS; MAGNETICALLY SEPARABLE CATALYST; SULFONIC-ACID GROUPS; DERIVATIVES; 3,4-DIHYDROPYRIMIDIN-2(1H)-ONES; CONDENSATION; INHIBITORS; AGENTS; GREEN; WATER;

D O I：

10.3184/174751916X14495860660659

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

HAp(hydroxyapatite)-encapsulated-gamma-Fe2O3 supported sulfonic acid nanoparticles were used for the preparation of two series of 2-thioxopyrido[2,3-d]pyrimidines. In the first series, 2-thioxopyrido[2,3-d]pyrimidines were synthesised from 3-(6-amino-1,2,3,4-tetrahydro-4-oxo-2-thioxopyrimidin-5-yl)-3-oxopropanenitrile and arylaldehydes in the presence of [gamma-Fe2O3@HAp-SO3H] as a nanocatalyst, in high yields (84-96%). In the second series, [gamma-Fe2O3@HAp-SO3H] was used to catalyse the reaction of 6-amino-2-(alkylthio)-pyrimidine-4,6(1H,5H)-dione, 1,3-diethyl-2-thioxodihydropyrimidine-4,6(1H,5H)-dione and various arylaldehydes to prepare 2-thioxo-2,3,7,10-tetrahydropyrido[2,3-d:5,6-d'] dipyrimidine-4,6 (1H,5H)-diones in excellent yields (93-98%).

引用

页码：29 / 34

页数：6

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