Perchloric Acid Impregnated on Silica Gel (HClO4/SiO2): A Versatile Catalyst for Michael Addition of Thiols to the Electron-Deficient Alkenes

Abu T. Khan; Subrata Ghosh; Lokman H. Choudhury

doi:10.1002/ejoc.200600006

Perchloric Acid Impregnated on Silica Gel (HClO4/SiO2): A Versatile Catalyst for Michael Addition of Thiols to the Electron-Deficient Alkenes

European Journal of Organic Chemistry ◽

10.1002/ejoc.200600006 ◽

2006 ◽

Vol 2006 (9) ◽

pp. 2226-2231 ◽

Cited By ~ 51

Author(s):

Abu T. Khan ◽

Subrata Ghosh ◽

Lokman H. Choudhury

Keyword(s):

Silica Gel ◽

Perchloric Acid ◽

Michael Addition

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Perchloric Acid Impregnated on Silica Gel (HClO4/SiO2): A Versatile Catalyst for Michael Addition of Thiols to the Electron-Deficient Alkenes.

ChemInform ◽

10.1002/chin.200633061 ◽

2006 ◽

Vol 37 (33) ◽

Author(s):

Abu T. Khan ◽

Subrata Ghosh ◽

Lokman H. Choudhury

Keyword(s):

Silica Gel ◽

Perchloric Acid ◽

Michael Addition

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ChemInform Abstract: Silica Gel Accelerated Aza-Michael Addition of Amines to α,β-Unsaturated Amides.

ChemInform ◽

10.1002/chin.200847066 ◽

2008 ◽

Vol 39 (47) ◽

Author(s):

Lisha You ◽

Song Feng ◽

Rui An ◽

Xinhong Wang ◽

Donglu Bai

Keyword(s):

Silica Gel ◽

Michael Addition

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Aza-Michael Addition of Amines to Activated Alkenes Catalyzed by Silica Supported Perchloric Acid under a Solvent-Free Condition.

ChemInform ◽

10.1002/chin.200731027 ◽

2007 ◽

Vol 38 (31) ◽

Author(s):

Chinmoy Mukherjee ◽

Anup Kumar Misra

Keyword(s):

Perchloric Acid ◽

Michael Addition ◽

Solvent Free ◽

Free Condition ◽

Solvent Free Condition

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Perchloric Acid Adsorbed on Silica Gel (HClO4-SiO2) as an Extremely Efficient and Reusable Catalyst for 1,3-Dithiolane/Dithiane Formation

Synthesis ◽

10.1055/s-2006-942474 ◽

2006 ◽

Vol 2006 (16) ◽

pp. 2767-2771 ◽

Cited By ~ 5

Author(s):

Asit Chakraborti ◽

Santosh Rudrawar ◽

Ram Besra

Keyword(s):

Silica Gel ◽

Perchloric Acid ◽

Reusable Catalyst

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Perchloric Acid Adsorbed on Silica Gel: An Efficient Heterogeneous Reusable Catalyst for Synthesis of 1,5-Benzodiazepines.

ChemInform ◽

10.1002/chin.200606168 ◽

2006 ◽

Vol 37 (6) ◽

Author(s):

Biswanath Das ◽

Majjigapu Ravinder Reddy ◽

Ravirala Ramu ◽

Kongara Ravinder Reddy ◽

Madamanchi Geethangili

Keyword(s):

Silica Gel ◽

Perchloric Acid ◽

Reusable Catalyst

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ChemInform Abstract: Fluoroboric Acid Adsorbed on Silica-Gel (HBF4-SiO2) as a New, Highly Efficient and Reusable Heterogeneous Catalyst for thia-Michael Addition to α,β-Unsaturated Carbonyl Compounds.

ChemInform ◽

10.1002/chin.200841037 ◽

2008 ◽

Vol 39 (41) ◽

Author(s):

Gaurav Sharma ◽

Raj Kumar ◽

Asit K. Chakraborti

Keyword(s):

Heterogeneous Catalyst ◽

Silica Gel ◽

Michael Addition ◽

Carbonyl Compounds ◽

Highly Efficient

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ChemInform Abstract: Phospha-Michael Addition of Phosphorus Nucleophiles to α,β-Unsaturated Malonates Using 3-Aminopropylated Silica Gel as an Efficient and Recyclable Catalyst.

ChemInform ◽

10.1002/chin.201122197 ◽

2011 ◽

Vol 42 (22) ◽

pp. no-no

Author(s):

Sara Sobhani ◽

Zahra Pakdin Parizi ◽

Soodabeh Rezazadeh

Keyword(s):

Silica Gel ◽

Michael Addition ◽

Recyclable Catalyst

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Fluoroboric acid adsorbed on silica-gel (HBF4–SiO2) as a new, highly efficient and reusable heterogeneous catalyst for thia-Michael addition to α,β-unsaturated carbonyl compounds

Tetrahedron Letters ◽

10.1016/j.tetlet.2008.04.144 ◽

2008 ◽

Vol 49 (27) ◽

pp. 4272-4275 ◽

Cited By ~ 67

Author(s):

Gaurav Sharma ◽

Raj Kumar ◽

Asit K. Chakraborti

Keyword(s):

Heterogeneous Catalyst ◽

Silica Gel ◽

Michael Addition ◽

Carbonyl Compounds ◽

Highly Efficient

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ChemInform Abstract: Silica Gel Supported Pyrrolidine-Based Chiral Ionic Liquid as Recyclable Organocatalyst for Asymmetric Michael Addition to Nitrostyrenes.

ChemInform ◽

10.1002/chin.200850025 ◽

2008 ◽

Vol 39 (50) ◽

Author(s):

Pinhua Li ◽

Lei Wang ◽

Yicheng Zhang ◽

Guanwu Wang

Keyword(s):

Ionic Liquid ◽

Silica Gel ◽

Michael Addition ◽

Asymmetric Michael Addition ◽

Chiral Ionic Liquid

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Perchloric Acid Adsorbed on Silica Gel (HClO4—SiO2) as an Extremely Efficient and Reusable Catalyst for 1,3-Dithiolane/Dithiane Formation.

ChemInform ◽

10.1002/chin.200650054 ◽

2006 ◽

Vol 37 (50) ◽

Author(s):

Santosh Rudrawar ◽

Ram C. Besra ◽

Asit K. Chakraborti

Keyword(s):

Silica Gel ◽

Perchloric Acid ◽

Reusable Catalyst

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