Lewis Acid−Lewis Acid Heterobimetallic Cooperative Catalysis:  Mechanistic Studies and Application in Enantioselective Aza-Michael Reaction

2005 ◽  
Vol 127 (38) ◽  
pp. 13419-13427 ◽  
Author(s):  
Noriyuki Yamagiwa ◽  
Hongbo Qin ◽  
Shigeki Matsunaga ◽  
Masakatsu Shibasaki
Keyword(s):  
Lewis Acid ◽  
Michael Reaction ◽  
Mechanistic Studies ◽  
Cooperative Catalysis

Lewis Acid Promoted Aerobic Oxidative Coupling of Thiols with Phosphonates by Simple Nickel(II) Catalyst: Substrate Scope and Mechanistic Studies

2019 ◽  
Vol 84 (7) ◽  
pp. 4179-4190 ◽  
Author(s):  
Jing-Wen Xue ◽  
Miao Zeng ◽  
Sicheng Zhang ◽  
Zhuqi Chen ◽  
Guochuan Yin
Keyword(s):  
Lewis Acid ◽  
Oxidative Coupling ◽  
Mechanistic Studies

Highly effective Brønsted base/lewis acid cooperative catalysis: a new Cd metal–organic framework for the synthesis of Hantzsch 1,4-DHPs at ambient temperature

2017 ◽  
Vol 41 (24) ◽  
pp. 15475-15484 ◽  
Author(s):  
Farzaneh Rouhani ◽  
Ali Morsali
Keyword(s):  
Ambient Temperature ◽  
Lewis Acid ◽  
Functional Group ◽  
Metal Organic Framework ◽  
Cooperative Catalysis ◽  
Highly Effective ◽  
Metal Organic ◽  
Brønsted Base ◽  
Organic Framework

A new 3D metal–organic framework {[Cd3(BDC)3(OPP)(DMF)2]·2DMA}n (TMU-33) has been synthesized. The performance of the imine functional group of the OPP ligand as a Brønsted base and open Cd site as a Lewis acid in this framework was investigated as cooperative catalyst.

scholarly journals Enantioselective Nazarov cyclization of indole enones cooperatively catalyzed by Lewis acids and chiral Brønsted acids

2017 ◽  
Vol 8 (10) ◽  
pp. 7197-7202 ◽  
Author(s):  
Guo-Peng Wang ◽  
Meng-Qing Chen ◽  
Shou-Fei Zhu ◽  
Qi-Lin Zhou
Keyword(s):  
Proton Transfer ◽  
Lewis Acid ◽  
Lewis Acids ◽  
Bronsted Acids ◽  
Bronsted Acid ◽  
Nazarov Cyclization ◽  
Cooperative Catalysis ◽  
Brönsted Acid ◽  
Chiral Bronsted Acid ◽  
Chiral Brønsted Acids

The first enantioselective Nazarov cyclization of substrates with only one coordinating site and with proton-transfer as an enantioselective-determining step was realized by means of cooperative catalysis with a Lewis acid and a chiral Brønsted acid.

scholarly journals Supported rhenium nanoparticle catalysts for acceptorless dehydrogenation of alcohols: structure–activity relationship and mechanistic studies

2016 ◽  
Vol 6 (15) ◽  
pp. 5864-5870 ◽  
Author(s):  
Kenichi Kon ◽  
Wataru Onodera ◽  
Takashi Toyao ◽  
Ken-ichi Shimizu
Keyword(s):  
Metal Nanoparticles ◽  
Structure Activity Relationship ◽  
Activity Relationship ◽  
Mechanistic Studies ◽  
Acid Base ◽  
Title Reaction ◽  
Nanoparticle Catalysts ◽  
Cooperative Catalysis ◽  
Structure Activity

Mechanistic and structure–activity relationship studies show cooperative catalysis of Re0 sites on the supported Re metal nanoparticles and acid–base sites of alumina for the title reaction.

Mechanistic studies on the formal aza-Diels–Alder reactions of N-aryl imines: evidence for the non-concertedness under Lewis-acid catalysed conditions

2004 ◽  
Vol 2 (17) ◽  
pp. 2451-2460 ◽  
Author(s):  
Stephen Hermitage ◽  
Judith A. K. Howard ◽  
David Jay ◽  
Robin G. Pritchard ◽  
Michael R. Probert ◽  
...  
Keyword(s):  
Lewis Acid ◽  
Diels Alder ◽  
Mechanistic Studies
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