In the molecular structure of the title compound, C16H13Cl2N5, the 1, 4-dihydropyridine ring
of the 1, 3, 4, 8-tetrahydro-2H-pyrido [1, 2-a] pyrimidine ring system adopts a screw-boat …

In this study, pumice is used as a novel natural heterogeneous catalyst for the synthesis of 3,
4-dihydropyrimidine-2-(1 H)-ones/thiones via the one-pot multi-component condensation of …

Microwave irradiation of three component reaction of dimedone, appropriate aromatic
aldehydes and amino alcohols in a stoichiometrical ratio 2: 1: 1 for few minutes afforded the …

In the molecule of the title compound, C22H14Cl4N4, the central benzene ring makes
dihedral angles of 77.03 (9) and 81.42 (9)° with the two approximately planar 2, 2-dichloro-1 …

In the title compound, C27H33NO5, a 3, 3, 6, 6-tetramethyltetrahydroacridine-1, 8-dione ring
system carries an ethyl acetate substituent on the acridine N atom and an o-hydroxyphenyl …

In the title compound, C32H37NO3, the central dihydropyridine ring adopts a nearly planar
flattened-boat conformation, whereas both cyclohexenone rings adopt half-chair …

The molecule of the title compound, C24H16Cl12N2O4, is generated by a crystallographic
inversion centre at the midpoint of the central C—C bond. A kink in the molecule is defined …

The title compound C25H29BrClNO4, comprises a 3, 3, 6, 6-tetramethyltetrahydroacridine-1,
8-dione ring system that carries a hydroxyethyl substituent on the acridine N atom and a 3 …

In the title compound, C32H28N2O, the imidazolidine and pyridine rings of the central
hexahydroimidazo [1, 2-a] pyridine ring system adopt envelope and screw-boat …

In the acridinedione moiety of the title compound, C32H37NO4, the central dihydropyridine
ring adopts a flattened-boat conformation, with the N atom and the methine C atom …