A protocol has been developed for the efficient synthesis of structurally diverse 3, 4-
dihydropyridin-2 (1 H)-ones and 3, 4-dihydro-2 H-pyrans via four-component reactions of …

Synthesis of Highly Substituted 4H-Pyrido[1,2-a]pyrimidines via a One-Pot Three-Component
Condensation Reaction | ACS Combinatorial Science ACS ACS Publications C&EN CAS Find …

Dihydropyrindines and tetrahydroquinolines, ie cyclopentyl and cyclohexyl annealed
pyridines, can be synthesized in good yields in a one-pot three-step four-component …

The refluxing of a mixture of ethylcyanoacetate, aromatic aldehydes, and primary
monoamines in ethanol produces highly substituted 2-amino-6-pyridones such as 2-amino …

An efficient preparation of a series of spiro dihydropyridines via one pot four-component
reactions of mono/di/tri-ketones, malononitrile, primary amines, and acetylenic esters is …

An efficient synthesis of novel 2, 3-dihydro-4H-pyrido [1, 2-a] pyrimidin-4-ones has been
reported. Inexpensive and readily available substrates, environmentally benign reaction …

A novel, one-pot, three-component synthesis of 4H-pyrido [1, 2-a] pyrimidines is described.
The reactive 1: 1 zwitterionic intermediate, formed by the addition of isocyanides to dialkyl …

A novel five-component strategy involving commercially available diketene, primary amines,
malononitrile and various benzaldehydes for the synthesis of densely functionalized 1, 4 …

A new, one-pot and three-component synthesis of 4H-pyrido [1, 2-a] pyrimidines, 4H-
pyrimido [1, 2-a] pyrimidines, and 4H-pyrazino [1, 2-a] pyrimidines is described. The reactive …

Indium trichloride is an efficient catalyst for the sequential four-component reaction between
aliphatic amines, β-ketoesters, α, β-unsaturated aldehydes, and ethanol to afford 6-ethoxy-1 …