A convenient synthesis of 4-amino-7-(dialkylamino)pyrido[2,3-d]pyrimidines via cyclization of functionalized pyridines is reported. The preparation of the starting pyridines from 3-amino-3-(dialkylaraino)propene-nitriles and ethoxymethylenemalononitrile is described
Bei der Kondensation von 4-Amino-5-carbäthoxy-pyrimidin mit CH-aciden Verbindungen (Estern, Nitrilen...
728-7321,3-Dimethyl-2,4,7-trioxo-5-aryl-1,2,3,4,7,8-hexahydropyrido[2,3-d]pyrimidine-6-carbonitriles...
Several new approaches to the synthesis of pyrimido/4,5- -d/pyrirnidines are described. 5-Cyano-4-(N...
A convenient synthesis of 4-amino-7-(dialkylamino)pyrido[2,3-d]pyrimidines via cyclization of functi...
448-452A series of pyrido[2,3-d]pyrimidine derivatives viz 4-amino-5,7-disubstituted pyrido[2,3-d]p...
804-807Novel pyrido [2,3-d]primidines 4 have been synthesised regioselectively by the reaction of 6...
The conditions of the reaction of malononitrile dimer with enaminones and arylidenemalononitrile cou...
From γ-pyridones have been obtained substituted pyridine bases serving as the starting materials for...
α-Oxoketene reactive intermediates generated in situ by microwave-assisted Wolff rearrangement of 2-...
The substituted 4H-pyrido[1, 2-a]pyrimidin-4-ones (I) were obtained by the condensation of substitut...
The objective of this review is to list the structures composed of a pyridopyrimidine moiety which h...
The synthesis of pyridine derivatives is reported starting from the new dienamino esters 2. Thermal ...
2-Amino-4-dialkylamino- or -4-ethoxy-6-methylthio-5-pyrimidine-carbonitriles 3 are obtained through ...
1561-1564The cyanoketene dithioacetal 1 on treatment with 2-aminopyridine gives 2-ethoxy/2-methylth...
A new synthesis of substituted 4-dialkylaminopyridines was developed, starting from 3-nitropyran-2-o...
Bei der Kondensation von 4-Amino-5-carbäthoxy-pyrimidin mit CH-aciden Verbindungen (Estern, Nitrilen...
728-7321,3-Dimethyl-2,4,7-trioxo-5-aryl-1,2,3,4,7,8-hexahydropyrido[2,3-d]pyrimidine-6-carbonitriles...
Several new approaches to the synthesis of pyrimido/4,5- -d/pyrirnidines are described. 5-Cyano-4-(N...
A convenient synthesis of 4-amino-7-(dialkylamino)pyrido[2,3-d]pyrimidines via cyclization of functi...
448-452A series of pyrido[2,3-d]pyrimidine derivatives viz 4-amino-5,7-disubstituted pyrido[2,3-d]p...
804-807Novel pyrido [2,3-d]primidines 4 have been synthesised regioselectively by the reaction of 6...
The conditions of the reaction of malononitrile dimer with enaminones and arylidenemalononitrile cou...
From γ-pyridones have been obtained substituted pyridine bases serving as the starting materials for...
α-Oxoketene reactive intermediates generated in situ by microwave-assisted Wolff rearrangement of 2-...
The substituted 4H-pyrido[1, 2-a]pyrimidin-4-ones (I) were obtained by the condensation of substitut...
The objective of this review is to list the structures composed of a pyridopyrimidine moiety which h...
The synthesis of pyridine derivatives is reported starting from the new dienamino esters 2. Thermal ...
2-Amino-4-dialkylamino- or -4-ethoxy-6-methylthio-5-pyrimidine-carbonitriles 3 are obtained through ...
1561-1564The cyanoketene dithioacetal 1 on treatment with 2-aminopyridine gives 2-ethoxy/2-methylth...
A new synthesis of substituted 4-dialkylaminopyridines was developed, starting from 3-nitropyran-2-o...
Bei der Kondensation von 4-Amino-5-carbäthoxy-pyrimidin mit CH-aciden Verbindungen (Estern, Nitrilen...
728-7321,3-Dimethyl-2,4,7-trioxo-5-aryl-1,2,3,4,7,8-hexahydropyrido[2,3-d]pyrimidine-6-carbonitriles...
Several new approaches to the synthesis of pyrimido/4,5- -d/pyrirnidines are described. 5-Cyano-4-(N...
DOI
Add to ORKG