Brønsted Base/Lewis Acid Cooperative Catalysis in the Enantioselective Conia-Ene Reaction

2009 ◽  
Vol 131 (26) ◽  
pp. 9140-9141 ◽  
Author(s):  
Ting Yang ◽  
Alessandro Ferrali ◽  
Filippo Sladojevich ◽  
Leonie Campbell ◽  
Darren J. Dixon
Keyword(s):  
Lewis Acid ◽  
Ene Reaction ◽  
Cooperative Catalysis ◽  
Brønsted Base

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 Metal–ligand–Lewis acid multi-cooperative catalysis: a step forward in the Conia-ene reaction

2021 ◽  
Vol 12 (1) ◽  
pp. 435-441
Author(s):  
Arnaud Clerc ◽  
Enrico Marelli ◽  
Nicolas Adet ◽  
Julien Monot ◽  
Blanca Martín-Vaca ◽  
...  
Keyword(s):  
Lewis Acid ◽  
Acid Activation ◽  
Ene Reaction ◽  
Cooperative Catalysis ◽  
Metal Ligand

An original multi-cooperative catalytic approach was developed by combining metal–ligand cooperation and Lewis acid activation.

scholarly journals Managing the retro-pathway in direct catalytic asymmetric aldol reactions of thioamides

2015 ◽  
Vol 6 (11) ◽  
pp. 6124-6132 ◽  
Author(s):  
Youmei Bao ◽  
Naoya Kumagai ◽  
Masakatsu Shibasaki
Keyword(s):  
Lewis Acid ◽  
Aldol Reactions ◽  
Asymmetric Aldol ◽  
Cooperative Catalysis ◽  
Brønsted Base ◽  
Catalytic Asymmetric

Thioamides are the preferred pronucleophiles for direct catalytic asymmetric aldol reactions in the context of soft Lewis acid/hard Brønsted base cooperative catalysis.

ChemInform Abstract: Broensted Base/Lewis Acid Cooperative Catalysis in the Enantioselective Conia-Ene Reaction.

ChemInform ◽  
2009 ◽  
Vol 40 (48) ◽  
Author(s):  
Ting Yang ◽  
Alessandro Ferrali ◽  
Filippo Sladojevich ◽  
Leonie Campbell ◽  
Darren J. Dixon
Keyword(s):  
Lewis Acid ◽  
Ene Reaction ◽  
Cooperative Catalysis

Direct Mannich-Type Reactions Promoted by Frustrated Lewis Acid/Brønsted Base Catalysts

2016 ◽  
Vol 55 (44) ◽  
pp. 13877-13881 ◽  
Author(s):  
Jessica Z. Chan ◽  
Wenzhi Yao ◽  
Brian T. Hastings ◽  
Charles K. Lok ◽  
Masayuki Wasa
Keyword(s):  
Lewis Acid ◽  
Base Catalysts ◽  
Brønsted Base

Dinuclear Zinc-Catalyzed Enantioselective Formal [3+2] Cycloaddition of N-2,2,2-Trifluoroethylisatin Ketimines with Low Reactive Aurone Derivatives

2021 ◽  
Author(s):  
Rui-Li Wang ◽  
Shi-Kun Jia ◽  
Ya-Jun Guo ◽  
Yang Yi ◽  
Yuan-Zhao Hua ◽  
...  
Keyword(s):  
Lewis Acid ◽  
Brønsted Base ◽  
Derivatives Of

Highly enantioselective formal [3+2] cycloaddition of N-2,2,2-trifluoroethylisatin ketimines with aurone derivatives of low reactivity by chiral dinuclear zinc catalysts has been developed via a Brønsted base and Lewis acid cooperative...

Dinuclear zinc-catalyzed asymmetric [3+2] cyclization reaction for direct assembly of chiral α-amino-γ-butyrolactones bearing three stereocenters

2021 ◽  
Author(s):  
Wen-Peng Yang ◽  
Shi-Kun Jia ◽  
Tian-Tian Liu ◽  
Yuan-Zhao Hua ◽  
Mincan Wang
Keyword(s):  
Lewis Acid ◽  
Cyclization Reaction ◽  
Activation Model ◽  
Direct Assembly ◽  
Brønsted Base ◽  
Cooperative Activation

An efficient enantioselective [3+2] cyclization reaction of α-hydroxy-1-indanones and alkylidene azlactones has been developed with chiral dinuclear zinc catalysts via a Brønsted base and Lewis acid cooperative activation model. This...

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