Phosphine free SBA-15–EDTA–Pd highly active recyclable catalyst: synthesis characterization and application for Suzuki and Sonogashira reaction

2014 ◽  
Vol 4 (9) ◽  
pp. 2978-2989 ◽  
Author(s):  
Priti Sharma ◽  
A. P. Singh
Keyword(s):  
Heterogeneous Catalyst ◽  
Recyclable Catalyst ◽  
Sonogashira Reaction ◽  
Reaction Conditions ◽  
Co Catalyst ◽  
Catalyst Synthesis ◽  
Catalyst Free ◽  
Highly Efficient ◽  
Highly Active ◽  
Sonogashira Reactions

SBA-15–EDTA–Pd(11) was demonstrated to be a highly efficient and reusable heterogeneous catalyst for the Suzuki and Sonogashira reactions in phosphine and co-catalyst free reaction conditions.

[Ce(l-Pro)2]2 (Oxa) as a heterogeneous recyclable catalyst: synthesis of pyrazoles under mild reaction conditions

2016 ◽  
Vol 40 (11) ◽  
pp. 9471-9476 ◽  
Author(s):  
Ramesh Katla ◽  
Rakhi Chowrasia ◽  
Padma S. Manjari ◽  
Caren D. G. da Silva ◽  
Beatriz F. dos Santos ◽  
...  
Keyword(s):  
Heterogeneous Catalyst ◽  
Efficient Method ◽  
Recyclable Catalyst ◽  
Reaction Conditions ◽  
Catalyst Synthesis ◽  
Highly Efficient

A highly efficient method for the synthesis of pyrazoles mediated by [Ce(l-Pro)2]2 (Oxa) as a heterogeneous catalyst.

Ligand-, base-, co-catalyst-free copper fluorapatite (CuFAP) as a versatile, ecofriendly, heterogeneous and reusable catalyst for an efficient homocoupling of arylboronic acid at ambient reaction conditions

RSC Advances ◽  
2015 ◽  
Vol 5 (31) ◽  
pp. 24675-24680 ◽  
Author(s):  
Shafeek A. R. Mulla ◽  
Santosh S. Chavan ◽  
Mohsinkhan Y. Pathan ◽  
Suleman M. Inamdar ◽  
Taufeekaslam M. Y. Shaikh
Keyword(s):  
Heterogeneous Catalyst ◽  
Reusable Catalyst ◽  
Efficient Synthesis ◽  
Arylboronic Acid ◽  
Reaction Conditions ◽  
Co Catalyst ◽  
Catalyst Free

CuFAP acts as a ligand-, base-, co-catalyst-free, versatile, eco-friendly, recyclable, and heterogeneous catalyst for an efficient synthesis of symmetric biaryls in excellent yields.

Thermoregulated Aqueous Biphasic Catalysis of Sonogashira Reactions

2015 ◽  
Vol 68 (10) ◽  
pp. 1614 ◽  
Author(s):  
Xiaohua Zhao ◽  
Xiang Liu ◽  
Ming Lu
Keyword(s):  
Catalytic System ◽  
Catalytic Reaction ◽  
High Efficiency ◽  
The Novel ◽  
Biphasic Catalysis ◽  
Co Catalyst ◽  
Highly Efficient ◽  
Water Based ◽  
Aqueous Biphasic ◽  
Sonogashira Reactions

A water-based thermoregulated system for Pd-catalyzed Sonogashira reactions is presented, which allows for not only a highly efficient homogeneous catalytic reaction, but also an easy separation/recovery of the catalyst. The novel catalytic system exhibits high efficiency and excellent reusability. In addition, the Sonogashira reactions are performed with Pd(OAc)2 without a copper co-catalyst.

scholarly journals Air-stable, recyclable, and time-efficient diphenylphosphinite cellulose-supported palladium nanoparticles as a catalyst for Suzuki–Miyaura reactions

2011 ◽  
Vol 7 ◽  
pp. 378-385 ◽  
Author(s):  
Qingwei Du ◽  
Yiqun Li
Keyword(s):  
Heterogeneous Catalyst ◽  
Palladium Nanoparticles ◽  
Palladium Complex ◽  
Complex Cell ◽  
Reaction Conditions ◽  
Highly Efficient ◽  
Excellent Yield ◽  
Simple Filtration ◽  
Supported Palladium ◽  
Efficient Heterogeneous Catalyst

A diphenylphosphinite cellulose palladium complex (Cell–OPPh2–Pd0) was found to be a highly efficient heterogeneous catalyst for the Suzuki–Miyaura reaction. The products were obtained in good to excellent yield under mild reaction conditions. Moreover, the catalyst could be easily recovered by simple filtration and reused for at least 6 cycles without losing its activity.

A magnetic porous chitosan-based palladium catalyst: a green, highly efficient and reusable catalyst for Mizoroki–Heck reaction in aqueous media

2015 ◽  
Vol 39 (10) ◽  
pp. 7988-7997 ◽  
Author(s):  
Barahman Movassagh ◽  
Nasrin Rezaei
Keyword(s):  
Heterogeneous Catalyst ◽  
Palladium Catalyst ◽  
Heck Reaction ◽  
Aqueous Media ◽  
Reusable Catalyst ◽  
Highly Efficient ◽  
Highly Active ◽  
Porous Chitosan ◽  
High Yields ◽  
Recyclable Heterogeneous Catalyst

We have prepared a highly active and recyclable heterogeneous catalyst for the Heck reaction in aqueous media in high yields.

Solvent-mediated Highly Efficient Synthesis of [1,2,4]triazolo/benzimidazoloquinazolinone Derivatives

2020 ◽  
Vol 16 (8) ◽  
pp. 1185-1190 ◽  
Author(s):  
Fatemeh Malamiri ◽  
Samad Khaksar ◽  
Rashid Badri ◽  
Elham Tahanpesar
Keyword(s):  
Deep Eutectic Solvent ◽  
Efficient Synthesis ◽  
Melting Points ◽  
Reaction Conditions ◽  
Catalyst Free ◽  
Highly Efficient ◽  
Reaction Media

Objective: An efficient and catalyst-free procedure for the synthesis of [1,2,4]triazolo/benzimidazolo quinazolinones has been developed in 2,2,2-trifluoroethanol or deep eutectic solvent(DESs) as a clean reaction media. Methods: All of the obtained products are known compounds and identified by IR, 1HNMR,13CNMR, and melting points. Results: Various products were obtained in good to excellent yields under reaction conditions. Conclusion: We have efficiently developed a practical and catalyst-free approach for the synthesis of [1,2,4]triazolo/benzimidazolo quinazolinones employing TFE as a clean and reusable media.

MCM-41-Immobilised Nitrogen and Sulfur Mixed Tridentate Palladium(0) Complex: A Highly Efficient and Recyclable Catalyst for the Suzuki Reaction of Aryl Bromides in Air

2017 ◽  
Vol 41 (3) ◽  
pp. 186-191 ◽  
Author(s):  
Dayi Liu ◽  
Pingping Wang ◽  
Jingting Ai ◽  
Mingzhong Cai
Keyword(s):  
Hydrazine Hydrate ◽  
Active Catalyst ◽  
Suzuki Reaction ◽  
Significant Loss ◽  
Recyclable Catalyst ◽  
The Novel ◽  
Highly Efficient ◽  
Highly Active ◽  
Aryl Bromides ◽  
Mcm 41

The novel MCM-41-immobilised nitrogen and sulfur mixed tridentate palladium(0) complex [MCM-41-2N,S-Pd(0)] was prepared from 3-(2-aminoethylamino)propyltrimethoxysilane by immobilisation on MCM-41, followed by reaction with thiophene-2-carboxaldehyde and PdCl2 and then reduction with hydrazine hydrate. This phosphine-free heterogeneous palladium(0) complex was a highly active catalyst for the Suzuki reaction of aryl bromides in air and could be recycled at least 8 times without significant loss of activity.

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