Alumina supported MoO3: An efficient and reusable heterogeneous catalyst for synthesis of 3,4-dihydropyridine-2(1H)-ones under solvent free conditions

[1]  Rajive Gupta,et al.  Covalently anchored sulfonic acid onto silica as an efficient and recoverable interphase catalyst for the synthesis of 3,4-dihydropyrimidinones/thiones , 2007 .

[2]  S. Maradur,et al.  Heteropoly acid catalyzed synthesis of 3,4-dihydropyrimidin-2(1H)-ones , 2007 .

[3]  A. Lender,et al.  Propane phosphonic acid anhydride: a new promoter for the one-pot Biginelli synthesis of 3,4-dihydropyrimidin-2(1H)-ones , 2007 .

[4]  S. Tangestaninejad,et al.  One-pot synthesis of dihydropyrimidinones using facile and reusable polyoxometalate catalysts for the Biginelli reaction , 2006 .

[5]  E. Rafiee,et al.  One-pot synthesis of dihydropyrimidones using silica-supported heteropoly acid as an efficient and reusable catalyst : Improved protocol conditions for the biginelli reaction , 2006 .

[6]  Jomy Joseph,et al.  Ion exchange resins as recyclable and heterogeneous solid acid catalysts for the Biginelli condensation : An improved protocol for the synthesis of 3,4-dihydropyrimidin-2-ones , 2006 .

[7]  B. Sain,et al.  Perfluorinated resinsulphonic acid (Nafion-H®) catalyzed highly efficient oxidations of organic compounds with hydrogen peroxide , 2006 .

[8]  A. Karimi,et al.  KAl(SO4)2·12H2O supported on silica gel as a novel heterogeneous system catalyzed biginelli reaction: One-pot synthesis of di-hydropyrimidinones under solvent-free conditions , 2006 .

[9]  D. Shailaja,et al.  Ceria/vinylpyridine polymer nanocomposite : an ecofriendly catalyst for the synthesis of 3,4-dihydropyrimidin-2(1H)-ones , 2005 .

[10]  J. Yadav,et al.  Iodotrimethylsilane‐Accelerated One‐Pot Synthesis of 5‐Unsubstituted 3,4‐Dihydropyrimidin‐2(1H)‐ones: A Novel Procedure for the Biginelli‐Like Cyclocondensation Reaction at Room Temperature , 2005 .

[11]  S. Sebti,et al.  Synthesis of 3,4-dihydropyrimidin-2-ones catalysed by fluorapatite doped with metal halides , 2005 .

[12]  Ira Saxena,et al.  Three component condensations catalyzed by iodine-alumina for the synthesis of substituted 3,4-dihydropyrimidin-2(1H)-ones under microwave irradiation and solvent-free conditions , 2005 .

[13]  R. Bhosale,et al.  AN EFFICIENT AND IMPROVED METHOD FOR THE BIGINELLI REACTION USING SOLID SUPERACID (SULPHATED Sn02) , 2005 .

[14]  Murugulla Adharvana Chari,et al.  Silicagel supported sodium hydrogensulfate as a heterogenous catalyst for high yield synthesis of 3,4-dihydropyrimidin-2 (1H)-ones , 2004 .

[15]  S. Tammishetti,et al.  Synthesis of 3,4-dihydropyrimidin-2(1H)ones using reusable poly(4-vinylpyridineco-divinylbenzene)–Cu(II)complex , 2004 .

[16]  K. Nagaiah,et al.  Green Protocol for the Biginelli Three-Component Reaction: Ag3PW12O40 as a Novel, Water-Tolerant Heteropolyacid for the Synthesis of 3,4-Dihydropyrimidinones , 2004 .

[17]  Yanli Dong,et al.  Mechanochemical Michael reactions of chalcones and azachalcones with ethyl acetoacetate catalyzed by K2CO3 under solvent-free conditions , 2004 .

[18]  M. Zolfigol,et al.  Efficient Synthesis of 3,4-Dihydropyrimidin-2(1H)-ones over Silica Sulfuric Acid as a Reusable Catalyst under Solvent-free Conditions , 2003 .

[19]  K. R. Seddon,et al.  Ionic liquids: a taste of the future. , 2003, Nature materials.

[20]  A. Sudalai,et al.  Cu(OTf)2: a reusable catalyst for high-yield synthesis of 3,4-dihydropyrimidin-2(1H)-ones , 2003 .

[21]  G. Frenking,et al.  A novel class of aromatic compounds: metal-centered planar cations [Fe(Sb5)]+ and [Fe(Bi5)]+. , 2003, Angewandte Chemie.

[22]  B. Sain,et al.  An unconventional cobalt-catalyzed aerobic oxidation of tertiary nitrogen compounds to N-oxides. , 2003, Angewandte Chemie.

[23]  Jiajian Peng,et al.  Ionic liquids catalyzed Biginelli reaction under solvent-free conditions , 2001 .

[24]  C. Kappe Biologically active dihydropyrimidones of the Biginelli-type--a literature survey. , 2000, European journal of medicinal chemistry.

[25]  C. Kappe Recent advances in the Biginelli dihydropyrimidine synthesis. New tricks from an old dog. , 2000, Accounts of chemical research.

[26]  D. Vos,et al.  Fine Chemicals through Heterogeneous Catalysis , 2000 .

[27]  E. Hu,et al.  Unprecedented Catalytic Three Component One-Pot Condensation Reaction: An Efficient Synthesis of 5-Alkoxycarbonyl- 4-aryl-3,4-dihydropyrimidin-2(1H)-ones , 1998 .

[28]  C. Kappe 100 years of the biginelli dihydropyrimidine synthesis , 1993 .

[29]  E. P. Reddy,et al.  Dispersion and activity of molybdena-alumina catalysts prepared by impregnation and solid/solid wetting methods , 1992 .