Silica Sulfuric Acid Promotes Aza-Michael Addition Reactions under Solvent-Free Condition as a Heterogeneous and Reusable Catalyst

Molecules ◽

10.3390/molecules14114779 ◽

2009 ◽

Vol 14 (11) ◽

pp. 4779-4789 ◽

Author(s):

Yan Wang ◽

Yan-Qin Yuan ◽

Sheng-Rong Guo

Keyword(s):

Sulfuric Acid ◽

Michael Addition ◽

Solvent Free ◽

Addition Reactions ◽

Reusable Catalyst ◽

Silica Sulfuric Acid ◽

Free Condition ◽

Solvent Free Condition

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Silica sulfuric acid: an efficient reusable heterogeneous solid support for the synthesis of 3H,3′H-spiro[benzofuran-2,1′isobenzofuran]-3,3′-diones under solvent-free condition

Tetrahedron Letters ◽

10.1016/j.tetlet.2014.01.109 ◽

2014 ◽

Vol 55 (10) ◽

pp. 1743-1748 ◽

Author(s):

Kamalesh Debnath ◽

Sudipta Pathak ◽

Animesh Pramanik

Keyword(s):

Sulfuric Acid ◽

Solid Support ◽

Solvent Free ◽

Silica Sulfuric Acid ◽

Free Condition ◽

Solvent Free Condition ◽

Heterogeneous Solid

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Immobilization of 1,5,7-triazabicyclo [4.4.0] dec-5-ene over mesoporous materials: An efficient catalyst for Michael-addition reactions under solvent-free condition

Applied Catalysis A General ◽

10.1016/j.apcata.2011.03.010 ◽

2011 ◽

Vol 397 (1-2) ◽

pp. 250-258 ◽

Author(s):

Pranjal Kalita ◽

Rajiv Kumar

Keyword(s):

Mesoporous Materials ◽

Michael Addition ◽

Solvent Free ◽

Addition Reactions ◽

Efficient Catalyst ◽

Free Condition ◽

Solvent Free Condition

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Synthesis of 12-aryl-8,9,10,12-tetrahydrobenzo[a]xanthen-11-one Catalyzed by Silica Sulfuric Acid Under Solvent Free Condition

Letters in Organic Chemistry ◽

10.2174/157017812800221816 ◽

2012 ◽

Vol 9 (2) ◽

pp. 145-149 ◽

Author(s):

Ya-Li Song ◽

Zhi-Ping Lin ◽

Guo-Feng Chen ◽

Quan-Lin Liu ◽

Ji-Tai Li

Keyword(s):

Sulfuric Acid ◽

Solvent Free ◽

Silica Sulfuric Acid ◽

Free Condition ◽

Solvent Free Condition

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An Efficient Protocol for Aza-Michael Addition Reactions Under Solvent-Free Condition Employing Sulfated Zirconia Catalyst

Catalysis Letters ◽

10.1007/s10562-008-9646-7 ◽

2008 ◽

Vol 126 (3-4) ◽

pp. 413-418 ◽

Author(s):

Benjaram M. Reddy ◽

Meghshyam K. Patil ◽

Baddam T. Reddy

Keyword(s):

Michael Addition ◽

Sulfated Zirconia ◽

Solvent Free ◽

Addition Reactions ◽

Free Condition ◽

Solvent Free Condition ◽

Zirconia Catalyst ◽

Sulfated Zirconia Catalyst

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ChemInform Abstract: Silica Sulfuric Acid: An Efficient Reusable Heterogeneous Solid Support for the Synthesis of 3H,3′H-Spiro[benzofuran-2,1′isobenzofuran]-3,3′-diones under Solvent-Free Condition.

10.1002/chin.201433114 ◽

2014 ◽

Vol 45 (33) ◽

pp. no-no

Author(s):

Kamalesh Debnath ◽

Sudipta Pathak ◽

Animesh Pramanik

Keyword(s):

Sulfuric Acid ◽

Solid Support ◽

Solvent Free ◽

Silica Sulfuric Acid ◽

Free Condition ◽

Solvent Free Condition ◽

Heterogeneous Solid

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Easy Access to Coumarin Derivatives Using Alumina Sulfuric Acid as an Efficient and Reusable Catalyst under Solvent-Free Conditions

Journal of Chemistry ◽

10.1155/2013/767825 ◽

2013 ◽

Vol 2013 ◽

pp. 1-6 ◽

Author(s):

Ali Amoozadeh ◽

Majid Ahmadzadeh ◽

Eskandar Kolvari

Keyword(s):

Sulfuric Acid ◽

Condensation Reaction ◽

Solvent Free ◽

Easy Access ◽

Reusable Catalyst ◽

Coumarin Derivatives ◽

Free Condition ◽

Pechmann Condensation ◽

Solvent Free Condition ◽

Solvent Free Conditions

A new and efficient condition for the use of alumina sulfuric acid (ASA) as a heterogeneous catalyst in the Pechmann condensation reaction in solvent-free condition for the formation of coumarins has been reported.

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ChemInform Abstract: Synthesis of 12-Aryl-8,9,10,12-tetrahydrobenzo[a]xanthen-11-one Catalyzed by Silica Sulfuric Acid under Solvent-Free Condition.

10.1002/chin.201227145 ◽

2012 ◽

Vol 43 (27) ◽

pp. no-no

Author(s):

Ya-Li Song ◽

Zhi-Ping Lin ◽

Guo-Feng Chen ◽

Quan-Lin Liu ◽

Ji-Tai Li

Keyword(s):

Sulfuric Acid ◽

Solvent Free ◽

Silica Sulfuric Acid ◽

Free Condition ◽

Solvent Free Condition

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Fe(OTf)3: An Efficient Catalyst for Michael Addition Reactions of Homoaromatic C‐H Nucleophiles with Nitrostyrenes under Microwave Irradiation in Solvent‐Free Condition

ChemistrySelect ◽

10.1002/slct.201803497 ◽

2019 ◽

Vol 4 (5) ◽

pp. 1596-1600 ◽

Author(s):

Pubanita Bhuyan ◽

Amar J. Bhuyan ◽

Mimik Nyodu ◽

Nilamoni Chelleng ◽

Lakhinath Saikia

Keyword(s):

Microwave Irradiation ◽

Michael Addition ◽

Solvent Free ◽

Addition Reactions ◽

Efficient Catalyst ◽

Free Condition ◽

Solvent Free Condition

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MgFe2O4@SiO2–SO3H: an efficient, reusable catalyst for the microwave-assisted synthesis of benzoxazinone and benzthioxazinone via multicomponent reaction under solvent free condition

Research on Chemical Intermediates ◽

10.1007/s11164-017-3108-z ◽

2017 ◽

Vol 44 (1) ◽

pp. 355-372 ◽

Author(s):

Nilesh G. Salunkhe ◽

Chandrashekhar A. Ladole ◽

Nikita V. Thakare ◽

Anand S. Aswar

Keyword(s):

Multicomponent Reaction ◽

Solvent Free ◽

Microwave Assisted Synthesis ◽

Reusable Catalyst ◽

Free Condition ◽

Microwave Assisted ◽

Solvent Free Condition

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Preparation and characterization of a novel DABCO based tetra cationic ionic liquid as a reusable catalyst for the multi-component synthesis of 2H-indazolo[2,1-b]phthalazine-trione and [1,2,4]triazoloquinazolinone derivatives under solvent-free condition

Journal of Molecular Structure ◽

10.1016/j.molstruc.2019.127143 ◽

2020 ◽

Vol 1201 ◽

pp. 127143 ◽

Author(s):

Niloufar Safari ◽

Farhad Shirini ◽

Hassan Tajik

Keyword(s):

Ionic Liquid ◽

Solvent Free ◽

Reusable Catalyst ◽

Free Condition ◽

Solvent Free Condition

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