Multicomponent Reactions: Microwave-assisted Efficient Synthesis of Dihydropyrimidinones (thiones) and Quinazolinones under Green Chemistry Protocol as Probes for Antimicrobial Activities

nano-rods zno as an efficient catalyst for the synthesis of chromene phosphonates, direct amidation and formylation of amines

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Application of Green Chemistry in Synthesis of Functionalized Thiopyran viaOne-pot Multicomponent Reactions in Water

An efficient synthesis of 2H-thiopyran-3,4-dicarboxylate derivatives via one-pot reactions between acetylenic esters, arylisothiocyanates and enaminones in water is described.The advantages of this work were: (1) the reaction was performed under neutral and more important in water as the solvent. (2) No catalyst was required for this reaction. (3) The simplicity of the present procedure made it...

Application of H2O as the Green Solvent for the Synthesis of Phosphonates via Multicomponent Reactions

Phosphonate derivatives were prepared using multicomponent reactions of dialkyl acetylenedicarboxylate with 4-hydroxycumarine in the presence of trimethyl or triphenyl phosphite in good yields.

application of green chemistry in synthesis of functionalized thiopyran viaone-pot multicomponent reactions in water

A green protocol for synthesis of pyran annulated hetrocyclic systems using Na2SO4 as an efficient catalyst

Na2SO4 as an inexpensive and effective catalyst has provided a green protocol for the synthesis of tetrahydrobenzo[b]pyran, pyrano[2,3-d]pyrimidinone and dihydropyrano[3,2c]chromene derivatives from the three-component domino reaction of aromatic aldehydes and malononitrile with 4-hydroxycoumarin/ dimedone/ barbituric acid in ethanol/water as a mixture of solvent that, this mixture entirely is ...