HClO4–SiO2 and PPA–SiO2 catalyzed efficient one-pot Knoevenagel condensation, Michael addition and cyclo-dehydration of dimedone and aldehydes in acetonitrile, aqueous and solvent free conditions: Scope and limitations

[1]  S. Kantevari,et al.  Highly efficient, one-pot, solvent-free synthesis of tetrasubstituted imidazoles using HClO4–SiO2 as novel heterogeneous catalyst , 2007 .

[2]  S. Kantevari,et al.  A practical synthesis of 5-(4′-methylbiphenyl-2-yl)-1H-tetrazole , 2006 .

[3]  J. Xiong,et al.  Concise Synthesis of the Angular Dihydrofuroquinoline Alkaloids via Cyclopropane Opening in the Presence of Polyphosphoric Acid , 2006 .

[4]  A. T. Khan,et al.  Silica-supported perchloric acid (HClO4-SiO2) : A versatile catalyst for tetrahydropyranylation, oxathioacetalization and thioacetalization , 2006 .

[5]  S. Ghosh,et al.  Silica supported perchloric acid (HClO4-SiO2) : A highly efficient and reusable catalyst for geminal diacylation of aldehydes under solvent-free conditions , 2006 .

[6]  A. Corma,et al.  Silica-Bound Homogenous Catalysts as Recoverable and Reusable Catalysts in Organic Synthesis , 2006 .

[7]  Ankush V. Biradar,et al.  An Efficient Method for the Synthesis of Acylals from Aldehydes Using Silica‐Supported Perchloric Acid (HClO4—SiO2). , 2006 .

[8]  S. Chankeshwara,et al.  HClO4-SiO2 as a new, highly efficient, inexpensive and reusable catalyst for N-tert-butoxycarbonylation of amines. , 2006, Organic & biomolecular chemistry.

[9]  S. Ghosh,et al.  Perchloric Acid Impregnated on Silica Gel (HClO4/SiO2): A Versatile Catalyst for Michael Addition of Thiols to the Electron-Deficient Alkenes , 2006 .

[10]  Tong‐Shuang Li,et al.  Ultrasound-assisted synthesis of 1,8-dioxo-octahydroxanthene derivatives catalyzed by p-dodecylbenzenesulfonic acid in aqueous media. , 2006, Ultrasonics sonochemistry.

[11]  C. Rao,et al.  An efficient one-pot synthesis of polyhydroquinoline derivatives via Hantzsch condensation using heterogeneous catalyst under solvent-free conditions , 2006 .

[12]  R. Linhardt,et al.  HClO4–SiO2 catalyzed glycosylation using sugar trichloroacetimidates as glycosyl donors , 2006 .

[13]  Tong‐Shuang Li,et al.  Solid‐State Condensation Reactions Between Aldehydes and 5,5‐Dimethyl‐1,3‐cyclohexanedione by Grinding at Room Temperature , 2005 .

[14]  T. Takido,et al.  SILICA GEL-SUPPORTED POLYPHOSPHORIC ACID (PPA/SIO2) AS AN EFFICIENT AND REUSABLE CATALYST FOR CONVERSION OF CARBONYL COMPOUNDS INTO OXATHIOACETALS AND DITHIOACETALS , 2004 .

[15]  Tong‐Shuang Li,et al.  Clean Synthesis of 1,8-Dioxo-octahydroxanthene Derivatives Catalyzed by p-Dodecylbenezenesulfonic Acid in Aqueous Media , 2004 .

[16]  A. Chakraborti,et al.  Perchloric acid adsorbed on silica gel as a new, highly efficient, and versatile catalyst for acetylation of phenols, thiols, alcohols, and amines. , 2003, Chemical communications.

[17]  Jun Lu,et al.  MICROWAVE IRRADIATION SYNTHESIS OF 2-SUBSTITUTED BENZIMIDAZOLES USING PPA AS A CATALYST UNDER SOLVENT-FREE CONDITIONS , 2002 .

[18]  D. Shi,et al.  Condensation of Aromatic Aldehydes with Acidic Methylene Compounds without Catalyst , 2000 .

[19]  Liu Li-bin,et al.  The Reaction of Aromatic Aldehydes and 1,3-Cyclohexanedione in Aqueous Media , 2006 .