Biginelli reaction involves acid-catalyzed one-pot synthesis of 3, 4-dihydropyrimidin-2 (1 H)-
ones (DHPMs) using easily-accessible starting materials, namely, aldehyde, active …

The multicomponent reactions (MCRs) consist of two or more synthetic steps which are
carried out without isolation of any intermediate thus reducing time, saving money, energy …

An indium (III) chloride catalyzed Biginelli reaction of 1, 3-dicarbonyl compounds,
aldehydes, and ureas offers an easy access to a broad range of dihydropyrimidin-2 (1H) …

Silica sulfuric acid efficiently catalyzes the three-component Biginelli reaction between an
aldehyde, a β-dicarbonyl compound and urea or thiourea in refluxing ethanol to afford the …

An efficient synthesis of 3, 4-dihydropyrimidinones using lanthanum chloride heptahydrate
as a catalyst from an aldehyde, β-keto ester and urea or thiourea in ethanol is described …

A general and practical green chemistry route to the Biginelli cyclocondensation reaction
using cerium (III) chloride as the catalyst (25% mol) is described under three different sets of …

An efficient synthesis of 3,4-dihydropyrimidin-2-ones catalyzed by NH2SO3H under ultrasound
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Abstract An efficient synthesis of 3, 4-dihydropyrimidinones from the aldehyde, β-keto ester
and urea in ethanol, using ferric chloride hexahydrate or nickel chloride hexahydrate as the …

Ammonium chloride as a very inexpensive and readily available reagent, and efficiently
catalyzes one-pot, three component, Biginelli condensation reactions of aldehydes, 1, 3 …

The cyclocondensation of suitable CH‐acidic carbonyl compounds, aldehydes, and urea‐
type blocks under acidic conditions provides multifunctionalized derivatives. The discovery …