Fluorine effects in organocatalysis – asymmetric Brønsted acid assisted Lewis base catalysis for the synthesis of trifluoromethylated heterocycles exploiting the negative hyperconjugation of the CF3-group

2014 ◽  
Vol 50 (58) ◽  
pp. 7889-7892 ◽  
Author(s):  
Chandra M. R. Volla ◽  
Arindam Das ◽  
Iuliana Atodiresei ◽  
Magnus Rueping
Keyword(s):  
Lewis Base ◽  
Base Catalysis ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Enantiomerically Pure ◽  
Brönsted Acid ◽  
Negative Hyperconjugation

An efficient Brønsted acid assisted Lewis base catalysis protocol for the synthesis of enantiomerically pure trifluoromethylated dihydropyridazines has been developed.

Lewis Base/Bronsted Acid Dual-Catalytic C–H Sulfenylation of Aromatics

2018 ◽  
Vol 20 (11) ◽  
pp. 3211-3214 ◽  
Author(s):  
Christopher J. Nalbandian ◽  
Zachary E. Brown ◽  
Erik Alvarez ◽  
Jeffrey L. Gustafson
Keyword(s):  
Lewis Base ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Brönsted Acid

The Enhancement of Enzymatic Rate Accelerations by Brønsted Acid−Base Catalysis†

Biochemistry ◽  
1998 ◽  
Vol 37 (13) ◽  
pp. 4305-4309 ◽  
Author(s):  
John P. Richard
Keyword(s):  
Base Catalysis ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Acid Base ◽  
Brönsted Acid

scholarly journals Enantioselective Bromocycloetherification by Lewis Base/Chiral Brønsted Acid Cooperative Catalysis

2011 ◽  
Vol 14 (1) ◽  
pp. 256-259 ◽  
Author(s):  
Scott E. Denmark ◽  
Matthew T. Burk
Keyword(s):  
Lewis Base ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Cooperative Catalysis ◽  
Brönsted Acid ◽  
Chiral Bronsted Acid

Chiral Lewis Base-Assisted Brønsted Acid (LBBA)-Catalyzed Enantioselective Cyclization of 2-Geranylphenols

2011 ◽  
Vol 13 (12) ◽  
pp. 3130-3133 ◽  
Author(s):  
Akira Sakakura ◽  
Masayuki Sakuma ◽  
Kazuaki Ishihara
Keyword(s):  
Lewis Base ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Brönsted Acid

Direct Asymmetric Hydrosilylation of Indoles: Combined Lewis Base and Brønsted Acid Activation

2011 ◽  
Vol 123 (45) ◽  
pp. 10849-10852 ◽  
Author(s):  
You-Cai Xiao ◽  
Chao Wang ◽  
Yuan Yao ◽  
Jian Sun ◽  
Ying-Chun Chen
Keyword(s):  
Lewis Base ◽  
Acid Activation ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Brönsted Acid

scholarly journals “Goldilocks Effect” of Water in Lewis-Brønsted Acid and Base Catalysis

ACS Catalysis ◽  
2016 ◽  
Vol 6 (7) ◽  
pp. 4189-4194 ◽  
Author(s):  
Benedict J. Barron ◽  
Wing-Tak Wong ◽  
Pauline Chiu ◽  
King Kuok Hii
Keyword(s):  
Base Catalysis ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Effect Of Water ◽  
Brönsted Acid ◽  
Acid And Base ◽  
Acid And Base Catalysis

Direct Asymmetric Hydrosilylation of Indoles: Combined Lewis Base and Brønsted Acid Activation

2011 ◽  
Vol 50 (45) ◽  
pp. 10661-10664 ◽  
Author(s):  
You-Cai Xiao ◽  
Chao Wang ◽  
Yuan Yao ◽  
Jian Sun ◽  
Ying-Chun Chen
Keyword(s):  
Lewis Base ◽  
Acid Activation ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Brönsted Acid

Structure−Reactivity Relationships for β-Galactosidase (Escherichia coli,lac Z). 3. Evidence that Glu-461 Participates in Brønsted Acid−Base Catalysis of β-d-Galactopyranosyl Group Transfer†

Biochemistry ◽  
1996 ◽  
Vol 35 (38) ◽  
pp. 12377-12386 ◽  
Author(s):  
John P. Richard ◽  
Reuben E. Huber ◽  
Sue Lin ◽  
Christine Heo ◽  
Tina L. Amyes
Keyword(s):  
Escherichia Coli ◽  
Base Catalysis ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Acid Base ◽  
Group Transfer ◽  
Brönsted Acid ◽  
Lac Z

Lewis Base/Brønsted Acid Co‐catalyzed Enantioselective Sulfenylation/Semipinacol Rearrangement of Di‐ and Trisubstituted Allylic Alcohols

2019 ◽  
Vol 131 (36) ◽  
pp. 12621-12626 ◽  
Author(s):  
Yu‐Yang Xie ◽  
Zhi‐Min Chen ◽  
Hui‐Yun Luo ◽  
Hui Shao ◽  
Yong‐Qiang Tu ◽  
...  
Keyword(s):  
Lewis Base ◽  
Allylic Alcohols ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Brönsted Acid ◽  
Semipinacol Rearrangement

Lewis Base/Brønsted Acid Co‐Catalyzed Asymmetric Thiolation of Alkenes with Acid‐Controlled Divergent Regioselectivity

2019 ◽  
Vol 25 (67) ◽  
pp. 15411-15418 ◽  
Author(s):  
Hui‐Yun Luo ◽  
Jia‐Wei Dong ◽  
Yu‐Yang Xie ◽  
Xu‐Feng Song ◽  
Deng Zhu ◽  
...  
Keyword(s):  
Lewis Base ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Brönsted Acid
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