PEG1000-Based Dicationic Acidic Ionic Liquid Catalyzed One-pot Synthesis of 1,4-Dihydropyridines via the Hantzsch Reaction

Devising reactions that achieve multiple-bond formation in one operation has become one of the major challenges in the search for efficient syntheses. Multi-component reactions (MCRs) allow the cre...

[1]  F. Shirini,et al.  Rapid and Efficient Synthesis of 1,4-Dihydropyridines using a Sulfonic Acid-functionalized Ionic Liquid , 2014 .

[2]  K. Satyanarayana,et al.  Comparative Study of Catalytic Potential of TBAB, BTEAC, and CTAB in One-Pot Synthesis of 1,4-Dihydropyridines Under Aqueous Medium , 2014 .

[3]  V. Dasireddy,et al.  Zn-VCO3 hydrotalcite: A highly efficient and reusable heterogeneous catalyst for the Hantzsch dihydropyridine reaction , 2014 .

[4]  P. Dubey,et al.  Novel, Recyclable, and Thermally Stable Task-Specific Ionic Liquid (TBA Acetate) Medium/Catalyst for the Synthesis of Indolylidinecyclic-1,3- and -1,4-diketones , 2014 .

[5]  V. Rao,et al.  Multi-component Synthesis of 3-{3-[2-(1H-Indol-3-yl)ethyl]}-2,3-dihydro-2- (aryliminothiazol-4-yl)-2H-chromen-2-ones , 2014 .

[6]  Jun Luo,et al.  A facile and efficient protocol for esterification and acetalization in a PEG1000-D(A)IL/toluene thermoregulated catalyst–media combined systems , 2013 .

[7]  B. Yan,et al.  Cool-white light emitting hybrid materials of a resin–mesoporous silica composite matrix encapsulating europium polyoxometalates through an ionic liquid linker , 2013 .

[8]  Zu-liang Liu,et al.  Salicylaldoxime‐functionalized poly(ethylene glycol)‐bridged dicationic ionic liquid ([salox‐PEG1000‐DIL][BF4]) as a novel ligand for palladium‐catalyzed Suzuki–Miyaura reaction in water , 2013 .

[9]  G. S. Kumar,et al.  An Efficient Multi-component Synthesis of 6-Amino-3-methyl-4-Aryl-2,4- dihydropyrano[2,3-c]Pyrazole-5-carbonitriles , 2013 .

[10]  Renchun Yang,et al.  Molecular iodine-catalyzed multicomponent reactions: an efficient catalyst for organic synthesis , 2013 .

[11]  S. Moradi,et al.  Controllable selectivity in Biginelli and Hantzsch reactions using nanoZnO as a structure base catalyst , 2013 .

[12]  S. Paul,et al.  Light induced synthesis of symmetrical and unsymmetrical dihydropyridines in ethyl lactate–water under tunable conditions , 2013 .

[13]  Arun Kumar Pramanik,et al.  Hantzsch 1,4-dihydropyridine synthesis in aqueous ethanol by visible light , 2013 .

[14]  B. Sadeghi,et al.  BF3.SiO2 Nanoparticles: A Solid Phase Acidic Catalyst for Efficient One-pot Hantzsch Synthesis of 1,4-dihydropyridines , 2013 .

[15]  Mohammad Norouzi,et al.  Protic pyridinium ionic liquid as a green and highly efficient catalyst for the synthesis of polyhydroquinoline derivatives via Hantzsch condensation in water , 2013 .

[16]  Y. Murthy,et al.  Design, solvent free synthesis, and antimicrobial evaluation of 1,4 dihydropyridines. , 2012, Bioorganic & medicinal chemistry letters.

[17]  A. Davoodnia,et al.  Microwave Assisted Sol-Gel Synthesis of MgO Nanoparticles and Their Catalytic Activity in the Synthesis of Hantzsch 1,4-Dihydropyridines , 2012 .

[18]  B. P. Reddy,et al.  PEG400-Lithium Carbonate Catalyzed Synthesis of 1,4-Dihydropyridines under Solvent-free Conditions , 2012 .

[19]  C. Cai,et al.  Iodine-Catalyzed, Multicomponent, One-Pot Synthesis of 5-Aryl-5,8-dihydrotetrazolo[1,5-a]pyrimidine-7-carboxylic Acids , 2011 .

[20]  Jun Luo,et al.  A one-pot multicomponent reaction for synthesis of 1-amidoalkyl-2-naphthols catalyzed by PEG-based dicationic acidic ionic liquids under solvent-free conditions , 2011 .

[21]  Changmei Jiao,et al.  Thermal-regulated PEG1000-based ionic liquid/PM for one-pot three-component synthesis of 2,4,5-trisubstituted imidazoles , 2011 .

[22]  J. Safari,et al.  Cellulose sulfuric acid catalyzed multicomponent reaction for efficient synthesis of 1,4-dihydropyridines via unsymmetrical Hantzsch reaction in aqueous media , 2011 .

[23]  A. Hajipour,et al.  Acidic Bronsted Ionic Liquids , 2010 .

[24]  C. Cai,et al.  A Solvent-Free Synthesis of 1,2,4,5-Tetrasubstituted Imidazoles Using Molecular Iodine as Catalyst , 2010 .

[25]  B. Carboni,et al.  An efficient one-step synthesis of 1,4-dihydropyridines via a triphenylphosphine-catalyzed three-component Hantzsch reaction under mild conditions , 2009 .

[26]  M. Syamala,et al.  Recent Progress in Three-Component Reactions. An Update , 2009 .

[27]  C. Cai,et al.  Three-components condensation catalyzed by molecular iodine for the synthesis of 2,4,6-triarylpyridines and 5-unsubstituted-3,4-dihydropyrimidin-2(1H)-ones under solvent-free conditions , 2009 .

[28]  C. Cai,et al.  A green procedure for the protection of carbonyl compounds catalyzed by iodine in ionic liquid , 2008 .

[29]  S. Kannan,et al.  Hantzsch pyridine synthesis using hydrotalcites or hydrotalcite-like materials as solid base catalysts , 2008 .

[30]  C. Cai,et al.  Convenient and efficient method for synthesis of substituted 2-amino-2-chromenes using catalytic amount of iodine and K2CO3 in aqueous medium , 2008 .

[31]  M. Zolfigol,et al.  Iodine-catalyzed synthesis of novel Hantzsch N-hydroxyethyl 1,4-dihydropyridines under mild conditions , 2007 .

[32]  C. Yao,et al.  Molecular iodine-catalyzed one-pot synthesis of 4-substituted-1,4-dihydropyridine derivatives via Hantzsch reaction , 2005 .

[33]  M. Syamala A DECADE OF ADVANCES IN THREE-COMPONENT REACTIONS , 2005 .

[34]  J. Yadav,et al.  A novel TMSI-mediated synthesis of Hantzsch 1,4-dihydropyridines at ambient temperature , 2003 .

[35]  G. Duburs,et al.  Synthesis of 1,4-dihydropyridines by cyclocondensation reactions , 1988 .