A green and efficient method for the preparation of 3, 4-dihydropyrimidin-2(1H)-ones using quaternary ammonium- treated clay in water

Subject Areas :

Soheil Sayyahi ¹ , Sedigheh Jahanbakhshi ² , Zahra Dehghani ³

1 - Chemistry Department, Mahshahr Branch, Islamic Azad University, Mahshahr 63519, Iran
2 - Chemistry Department, Omidieh Branch, Islamic Azad University, Omidieh, Iran
3 - Chemistry Department, Omidieh Branch, Islamic Azad University, Omidieh, Iran

Received: 2016-05-29 Accepted : 2016-05-29 Published : 2011-05-01

Keywords: Biginelli reaction, Multicomponent reactions, organoclay, 3, 4-Dihydropyrimidin-2(1H)-ones,

Abstract :

The reactive intermediate generated by the addition of tert-butyl and 1,1,3,3-tetramethyl butyl isocyanide and cyclohexyl isocyanide to dialkyl acetylenedicarboxylate was trapped by 3-hydroxy pyridine to produce highly functionalized 4H-chromenes in fairly good yields

References:

Synthesis and spectroscopic study of a new diamidophosphoester, (4-CH3-C6H4O)((CH3)2CHNH)2P(O)
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Tributyl hexadecyl phosphonium bromide as a new and efficient catalyst for the one-pot synthesis of 3,4-dihydropyrimidinones/thiones via a three component condensation reactions
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Theoretical study of HCX (NH2) (X= O, S, and Se) analogs in the gas phase: Electronic Structure, Natural Bond Orbital (NBO) & Natural Resonance Theory (NRT)
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Synthesis 3 and 4-Dihydropyrimidinone and Thiones using Multi-Walled Carboxylated Carbon Nanotube Catalysts
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Study of the effects of solvent and temperature on the Connections of the MTX and L-FMTX with single-walled carbon nanotubes using QM and MM
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A green and efficient method for the preparation of 3, 4-dihydropyrimidin-2(1H)-ones using quaternary ammonium- treated clay in water