Xanthan sulfuric acid: An efficient and biodegradable solid acid catalyst for the synthesis of bis(indolyl)methanes under solvent-free conditions

Zeba N. Siddiqui; Saima Tarannum

doi:10.1016/j.crci.2013.04.013

Xanthan sulfuric acid: An efficient and biodegradable solid acid catalyst for the synthesis of bis(indolyl)methanes under solvent-free conditions

Comptes Rendus Chimie ◽

10.1016/j.crci.2013.04.013 ◽

2013 ◽

Vol 16 (9) ◽

pp. 829-837 ◽

Cited By ~ 8

Author(s):

Zeba N. Siddiqui ◽

Saima Tarannum

Keyword(s):

Sulfuric Acid ◽

Solid Acid ◽

Solid Acid Catalyst ◽

Acid Catalyst ◽

Solvent Free ◽

Solvent Free Conditions

ChemInform Abstract: Sulfuric Acid-Modified PEG-6000 (PEG-OSO3H): A Biodegradable, Reusable Solid Acid Catalyst for Highly Efficient and Eco-Friendly Synthesis of Novel Bis-Knoevenagel Products under Solvent-Free Conditions.

ChemInform ◽

10.1002/chin.201342026 ◽

2013 ◽

Vol 44 (42) ◽

pp. no-no

Author(s):

Zeba N. Siddiqui ◽

Tabassum Khan

Keyword(s):

Sulfuric Acid ◽

Solid Acid ◽

Solid Acid Catalyst ◽

Acid Catalyst ◽

Solvent Free ◽

Peg 6000 ◽

Highly Efficient ◽

Solvent Free Conditions

Poly(4-vinylpyridine)-supported sulfuric acid: an efficient solid acid catalyst for the synthesis of coumarin derivatives under solvent-free conditions

Monatshefte für Chemie - Chemical Monthly ◽

10.1007/s00706-011-0559-6 ◽

2011 ◽

Vol 142 (12) ◽

pp. 1253-1257 ◽

Cited By ~ 16

Author(s):

Kalyan Jyoti Borah ◽

Ruli Borah

Keyword(s):

Sulfuric Acid ◽

Solid Acid ◽

Solid Acid Catalyst ◽

Acid Catalyst ◽

Solvent Free ◽

Coumarin Derivatives ◽

Solvent Free Conditions

Xanthan sulfuric acid as an efficient, green, biodegradable, and recyclable solid acid catalyst for one-pot synthesis of N-substituted pyrroles under solvent-free conditions at room temperature

Monatshefte für Chemie - Chemical Monthly ◽

10.1007/s00706-011-0604-5 ◽

2011 ◽

Vol 143 (3) ◽

pp. 491-495 ◽

Cited By ~ 14

Author(s):

Ali Rahmatpour

Keyword(s):

Sulfuric Acid ◽

Room Temperature ◽

Solid Acid ◽

Solid Acid Catalyst ◽

Acid Catalyst ◽

Solvent Free ◽

One Pot ◽

One Pot Synthesis ◽

Solvent Free Conditions ◽

Substituted Pyrroles

Cellulose sulfuric acid: An efficient biodegradable and recyclable solid acid catalyst for the one-pot synthesis of aryl-14H-dibenzo[a.j]xanthenes under solvent-free conditions

Journal of Molecular Catalysis A Chemical ◽

10.1016/j.molcata.2009.01.028 ◽

2009 ◽

Vol 304 (1-2) ◽

pp. 85-87 ◽

Cited By ~ 79

Author(s):

J. Venu Madhav ◽

Y. Thirupathi Reddy ◽

P. Narsimha Reddy ◽

M. Nikhil Reddy ◽

Suresh Kuarm ◽

...

Keyword(s):

Sulfuric Acid ◽

Solid Acid ◽

Solid Acid Catalyst ◽

Acid Catalyst ◽

Solvent Free ◽

One Pot ◽

One Pot Synthesis ◽

Solvent Free Conditions ◽

The One

Silica Sulfuric Acid-coated Fe3O4 Nanoparticles as a Highly Efficient and Reusable Solid Acid Catalyst for the Green Synthesis of 2,3- Dihydroquinazolin-4(1H)-ones under Solvent-free Conditions

Letters in Organic Chemistry ◽

10.2174/1570178614666170711144740 ◽

2017 ◽

Vol 15 (1) ◽

Cited By ~ 3

Author(s):

Monire Beyki ◽

Mehdi Fallah-Mehrjardi

Keyword(s):

Sulfuric Acid ◽

Green Synthesis ◽

Fe3o4 Nanoparticles ◽

Solid Acid ◽

Solid Acid Catalyst ◽

Acid Catalyst ◽

Solvent Free ◽

Silica Sulfuric Acid ◽

Highly Efficient ◽

Solvent Free Conditions

Cellulose sulfuric acid as a biodegradable and recoverable solid acid catalyst for one pot synthesis of substituted pyrroles under solvent-free conditions at room temperature

Reactive and Functional Polymers ◽

10.1016/j.reactfunctpolym.2010.11.001 ◽

2011 ◽

Vol 71 (1) ◽

pp. 80-83 ◽

Cited By ~ 25

Author(s):

Ali Rahmatpour

Keyword(s):

Sulfuric Acid ◽

Room Temperature ◽

Solid Acid ◽

Solid Acid Catalyst ◽

Acid Catalyst ◽

Solvent Free ◽

One Pot ◽

One Pot Synthesis ◽

Solvent Free Conditions ◽

Substituted Pyrroles

ChemInform Abstract: Molybdate Sulfuric Acid (MSA): An Efficient Solid Acid Catalyst for the Synthesis of Diversely Functionalized Fused Imidazo[1,2-a]pyrimidines under Solvent-Free Conditions.

ChemInform ◽

10.1002/chin.201543185 ◽

2015 ◽

Vol 46 (43) ◽

pp. no-no

Author(s):

Vijay Vilas Shinde ◽

Yeon Tae Jeong

Keyword(s):

Sulfuric Acid ◽

Solid Acid ◽

Solid Acid Catalyst ◽

Acid Catalyst ◽

Solvent Free ◽

Solvent Free Conditions

Sulfuric acid-modified PEG-6000 (PEG–OSO3H): a biodegradable, reusable solid acid catalyst for highly efficient and eco-friendly synthesis of novel bis-Knoevenagel products under solvent-free conditions

Tetrahedron Letters ◽

10.1016/j.tetlet.2013.05.012 ◽

2013 ◽

Vol 54 (29) ◽

pp. 3759-3764 ◽

Cited By ~ 14

Author(s):

Zeba N. Siddiqui ◽

Tabassum Khan

Keyword(s):

Sulfuric Acid ◽

Solid Acid ◽

Solid Acid Catalyst ◽

Acid Catalyst ◽

Solvent Free ◽

Peg 6000 ◽

Highly Efficient ◽

Solvent Free Conditions

ChemInform Abstract: Poly(4-vinylpyridine)-supported Sulfuric Acid: An Efficient Solid Acid Catalyst for the Synthesis of Coumarin Derivatives under Solvent-Free Conditions.

ChemInform ◽

10.1002/chin.201211120 ◽

2012 ◽

Vol 43 (11) ◽

pp. no-no

Author(s):

Kalyan Jyoti Borah ◽

Ruli Borah

Keyword(s):

Sulfuric Acid ◽

Solid Acid ◽

Solid Acid Catalyst ◽

Acid Catalyst ◽

Solvent Free ◽

Coumarin Derivatives ◽

Solvent Free Conditions

Molybdate sulfuric acid (MSA): an efficient solid acid catalyst for the synthesis of diversely functionalized fused imidazo[1,2-a]pyrimidines under solvent-free conditions

New Journal of Chemistry ◽

10.1039/c5nj00516g ◽

2015 ◽

Vol 39 (6) ◽

pp. 4977-4986 ◽

Cited By ~ 16

Author(s):

Vijay Vilas Shinde ◽

Yeon Tae Jeong

Keyword(s):

Sulfuric Acid ◽

Heterogeneous Catalyst ◽

Solid Acid ◽

Solid Acid Catalyst ◽

Acid Catalyst ◽

Solvent Free ◽

Solvent Free Conditions ◽

First Time

Synthesis of imidazo[1,2-a]pyrimidines has been accomplished for the first time under solvent-free conditions using molybdate sulfuric acid (MSA) as a heterogeneous catalyst. The present protocol is operationally simple, green and offers several advantages over the existing methods.