Synthesis of [P4-VP]-Fe3O4 supported Brønsted acid ionic liquid and its application as a highly efficient heterogeneous and reusable nanocatalyst in the Biginelli reaction under solvent-free conditions

2018 ◽  
Vol 125 (2) ◽  
pp. 1023-1037 ◽  
Author(s):  
Mohammad Ali Karimi Zarchi ◽  
Zeinab Hamidi
Keyword(s):  
Ionic Liquid ◽  
Biginelli Reaction ◽  
Solvent Free ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Highly Efficient ◽  
Solvent Free Conditions ◽  
Brönsted Acid

An environmentally friendly Mukaiyama aldol reaction catalyzed by a strong Brønsted acid in solvent-free conditions

2011 ◽  
Vol 9 (7) ◽  
pp. 2192 ◽  
Author(s):  
Margherita Barbero ◽  
Stefano Bazzi ◽  
Silvano Cadamuro ◽  
Stefano Dughera ◽  
Claudio Magistris ◽  
...  
Keyword(s):  
Aldol Reaction ◽  
Environmentally Friendly ◽  
Solvent Free ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Mukaiyama Aldol Reaction ◽  
Solvent Free Conditions ◽  
Brönsted Acid ◽  
Mukaiyama Aldol

scholarly journals Sn(ii)-catalyzed β-citronellol esterification: a Brønsted acid-free process for synthesis of fragrances at room temperature

2015 ◽  
Vol 5 (2) ◽  
pp. 1261-1266 ◽  
Author(s):  
M. J. da Silva ◽  
A. A. Julio ◽  
K. T. dos Santos
Keyword(s):  
Acetic Acid ◽  
Room Temperature ◽  
Solvent Free ◽  
High Conversion ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Free Process ◽  
Solvent Free Conditions ◽  
Brönsted Acid

Simple SnCl2·2H2O was demonstrated to be able to catalyze β-citronellol esterification with acetic acid at room temperature under solvent-free conditions, achieving high conversion and ester selectivity (ca. 88% and 99%, respectively).

scholarly journals Urazolium diacetate as a new, efficient and reusable Brønsted acid ionic liquid for the synthesis of novel derivatives of thiazolidine-4-ones

RSC Advances ◽  
2020 ◽  
Vol 10 (1) ◽  
pp. 556-564 ◽  
Author(s):  
Leila Zare Fekri ◽  
Hooshang Hamidian ◽  
Masoomeh Abdollahi Chekosarani
Keyword(s):  
Ionic Liquid ◽  
Multicomponent Reaction ◽  
Thioglycolic Acid ◽  
Solvent Free ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Brönsted Acid ◽  
Derivatives Of ◽  
Solvent Free Reaction

Urazolium diacetate catalyzed synthesis of new derivatives of 1,3-thiazolidine-4-ones (azo dispersive dyes family) via multicomponent reaction of various aldehydes, thioglycolic acid and 4-aminoazobenzene under solvent-free reaction was reported.

scholarly journals Unraveling innate substrate-controlled arylation and bicyclization of 1,5-enynes with α,β conjugates: synthesis of substituted benzo[a]fluorenes

2021 ◽  
Author(s):  
Babasaheb Sopan Gore ◽  
Jun-Hao Lin ◽  
Jeh-Jeng Wang
Keyword(s):  
Solvent Free ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Solvent Free Conditions ◽  
Brönsted Acid ◽  
Novel Strategy

Herein, we describe a novel strategy for the aromatic C–H functionalization of electron-rich arenes with 1,5-enynes anchored by conjugates, catalyzed by a Brønsted acid under metal- and solvent-free conditions.

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