Asymmetric synthesis of propargylic alcohols via aldol reaction of aldehydes with ynals promoted by prolinol ether–transition metal–Brønsted acid cooperative catalysis

2013 ◽  
Vol 4 (8) ◽  
pp. 3198 ◽  
Author(s):  
Enrique Gómez-Bengoa ◽  
Jesús M. García ◽  
Sandra Jiménez ◽  
Irati Lapuerta ◽  
Antonia Mielgo ◽  
...  
Keyword(s):  
Transition Metal ◽  
Asymmetric Synthesis ◽  
Aldol Reaction ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Propargylic Alcohols ◽  
Cooperative Catalysis ◽  
Brönsted Acid

scholarly journals Transition metal/Brønsted acid cooperative catalysis enabled facile synthesis of 8-hydroxyquinolines through one-pot reactions of ortho-aminophenol, aldehydes and alkynes

RSC Advances ◽  
2018 ◽  
Vol 8 (59) ◽  
pp. 33968-33971 ◽  
Author(s):  
Shuyan Yu ◽  
Jingxin Wu ◽  
Hongbing Lan ◽  
Hanwen Xu ◽  
Xiaofei Shi ◽  
...  
Keyword(s):  
Transition Metal ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Synthetic Methodology ◽  
Facile Synthesis ◽  
One Pot ◽  
Cooperative Catalysis ◽  
Brönsted Acid

An efficient and cooperative catalytic one-pot synthetic methodology for 8-hydroxyquinoline compounds has been developed.

A Tandem Isomerization/Prins Strategy: Iridium(III)/Brønsted Acid Cooperative Catalysis

2013 ◽  
Vol 125 (49) ◽  
pp. 13148-13152 ◽  
Author(s):  
Vince M. Lombardo ◽  
Christopher D. Thomas ◽  
Karl A. Scheidt
Keyword(s):  
Bronsted Acid ◽  
Brønsted Acid ◽  
Cooperative Catalysis ◽  
Brönsted Acid

Cooperative Catalysis with Iron and a Chiral Brønsted Acid for Asymmetric Reductive Amination of Ketones

2014 ◽  
Vol 356 (16) ◽  
pp. 3451-3455 ◽  
Author(s):  
Shaolin Zhou ◽  
Steffen Fleischer ◽  
Haijun Jiao ◽  
Kathrin Junge ◽  
Matthias Beller
Keyword(s):  
Reductive Amination ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Cooperative Catalysis ◽  
Brönsted Acid ◽  
Chiral Bronsted Acid

Cooperative catalysis of N-heterocyclic carbene and Brønsted acid for a highly enantioselective route to unprotected spiro-indoline-pyrans

2015 ◽  
Vol 51 (39) ◽  
pp. 8330-8333 ◽  
Author(s):  
Youqiang Lin ◽  
Limin Yang ◽  
Yue Deng ◽  
Guofu Zhong
Keyword(s):  
Direct Synthesis ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Cooperative Catalysis ◽  
Brönsted Acid

A chiral cooperative catalysis of NHC and Brønsted acid for a formal [4+2] reaction of unprotected isatins and enals was developed for the direct synthesis of unprotected spiro[indoline-3,2′-pyran]-2,6′(3′H)-diones in good to excellent yields (up to 95%) with high enantioselectivities (up to >93% ee).

Isothiourea and Brønsted Acid Cooperative Catalysis: Enantioselective Construction of Dihydropyridinones

2020 ◽  
Vol 22 (6) ◽  
pp. 2261-2265 ◽  
Author(s):  
Yu-Chen Zhang ◽  
Rui-Long Geng ◽  
Jin Song ◽  
Liu-Zhu Gong
Keyword(s):  
Bronsted Acid ◽  
Brønsted Acid ◽  
Cooperative Catalysis ◽  
Brönsted Acid
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