A new, efficient and easy route for the preparation of a series of 2‐alkyl (aryl) substituted 4‐
oxo‐4H‐pyrido‐[1, 2‐a] pyrimidines, where alkyl= CH3; aryl= C6H5, 4‐FC6H4, 4‐ClC6H4, 4 …

A one-pot, four-component reaction of 1-(phenylsulfinyl)-or 1-(4-chlorophenylsulfinyl)
propan-2-one, aromatic aldehydes and ammonium acetate in a 1: 2: 1 molar ratio affords a …

Hydroalkylation leading to heterocyclic compounds (Part 2): practical synthesis of
polysubstituted 1,2,3,4-tetrahydropyridines through multicomponent reactions (MCRs) …

A practical protocol was developed for the synthesis of 2-arylamino substituted 4-amino-5, 6-
dihydropyrido [2, 3-d] pyrimidin-7 (8 H)-ones from α, β-unsaturated esters, malononitrile, and …

One-pot synthesis of highly functionalized 1,2-dihydropyridines from primary alkylamines,
alkyl isocyanides, and acetylenic esters - ScienceDirect Skip to main contentSkip to article …

An efficient, atom-economic, one-pot protocol has been developed for the synthesis of highly
functionalized dihydropyridines via four-component reactions of aromatic aldehydes …

We present an efficient and facile synthesis of 4, 6-diaryl-2-oxo-1, 2-dihydropyridine-3-
carbonitriles (5a–j) via a four-component system of aromatic aldehydes (1), acetophenones …

Efficient one-pot synthesis of 2-oxo-1,9a-dihydro-2H-pyrido[1,2-a]pyrimidine derivatives -
ScienceDirect Skip to main contentSkip to article Elsevier logo Journals & Books Search …

An efficient and straightforward synthesis of polycyclic 1, 4-dihydropyridine derivatives has
been developed by reacting heterocyclic ketene aminals (HKAs) with 1, 3-cyclohexanedione …

Two variations of a parallel solution-phase synthesis of N-substituted dimethyl 4-oxo-1, 4-
dihydropyridine-3, 5-dicarboxylates 4 and methyl 3-oxo-3, 5-dihydro-2 H-pyrazolo [4, 3-c] …