scholarly journals Dynamic Parallel Kinetic Resolution of α-Ferrocenyl Cation Initiated by Chiral Brønsted Acid Catalyst

2021 ◽  
Author(s):  
Yasunori Toda ◽  
Toshinobu Korenaga ◽  
Ren Obayashi ◽  
jun kikuchi ◽  
Masahiro Terada
Keyword(s):  
Phosphoric Acid ◽  
Kinetic Resolution ◽  
Acid Catalyst ◽  
Chiral Phosphoric Acid ◽  
Brönsted Acid ◽  
Brønsted Acid Catalyst ◽  
Parallel Kinetic Resolution ◽  
Chiral Bronsted Acid ◽  
Brönsted Acid Catalyst ◽  
Conjugate Base

The dynamic parallel kinetic resolution (DPKR) of an α-ferrocenyl cation intermediate under the influence of a chiral conjugate base of a chiral phosphoric acid catalyst has been demonstrated in an...

Design of Brønsted Acid-Assisted Chiral Brønsted Acid Catalyst Bearing a Bis(triflyl)methyl Group for a Mannich-Type Reaction

2006 ◽  
Vol 8 (15) ◽  
pp. 3175-3178 ◽  
Author(s):  
Aiko Hasegawa ◽  
Yuki Naganawa ◽  
Makoto Fushimi ◽  
Kazuaki Ishihara ◽  
Hisashi Yamamoto
Keyword(s):  
Acid Catalyst ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Methyl Group ◽  
Type Reaction ◽  
Brönsted Acid ◽  
Brønsted Acid Catalyst ◽  
Chiral Bronsted Acid ◽  
Brönsted Acid Catalyst

Hydrogen Bonds-Enabled Design of a C1-Symmetric Chiral Brønsted Acid Catalyst

ACS Catalysis ◽  
2016 ◽  
Vol 6 (2) ◽  
pp. 949-956 ◽  
Author(s):  
Norie Momiyama ◽  
Kosuke Funayama ◽  
Hirofumi Noda ◽  
Masahiro Yamanaka ◽  
Naohiko Akasaka ◽  
...  
Keyword(s):  
Hydrogen Bonds ◽  
Acid Catalyst ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Brönsted Acid ◽  
Brønsted Acid Catalyst ◽  
Chiral Bronsted Acid ◽  
Brönsted Acid Catalyst

scholarly journals Chiral Brønsted acid-catalyzed enantioselective Friedel–Crafts reaction of 2-methoxyfuran with aliphatic ketimines generated in situ

2016 ◽  
Vol 7 (2) ◽  
pp. 1057-1062 ◽  
Author(s):  
Azusa Kondoh ◽  
Yusuke Ota ◽  
Takazumi Komuro ◽  
Fuyuki Egawa ◽  
Kyohei Kanomata ◽  
...  
Keyword(s):  
Phosphoric Acid ◽  
Acid Catalyst ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Chiral Phosphoric Acid ◽  
Brönsted Acid ◽  
Acid Catalyzed ◽  
Chiral Bronsted Acid

An enantioselective Friedel–Crafts reaction with aliphatic ketimines generated in situ from hemiaminal ethers afforded products with high enantioselectivity under the influence of a chiral phosphoric acid catalyst.

Design of a Brønsted acid with two different acidic sites: synthesis and application of aryl phosphinic acid–phosphoric acid as a Brønsted acid catalyst

2015 ◽  
Vol 51 (95) ◽  
pp. 16976-16979 ◽  
Author(s):  
N. Momiyama ◽  
T. Narumi ◽  
M. Terada
Keyword(s):  
Phosphoric Acid ◽  
Phosphinic Acid ◽  
Acid Catalyst ◽  
Catalytic Performance ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Brönsted Acid ◽  
Brønsted Acid Catalyst ◽  
Acidic Sites ◽  
Brönsted Acid Catalyst

A Brønsted acid with two different acidic sites, aryl phosphinic acid–phosphoric acid, was synthesized and its catalytic performance was assessed.

scholarly journals Insights into the Structure and Function of a Chiral Conjugate-Base-Stabilized Brønsted Acid Catalyst

2018 ◽  
Vol 2019 (2-3) ◽  
pp. 486-492 ◽  
Author(s):  
Minami Odagi ◽  
Hiroshi Araki ◽  
Chang Min ◽  
Eri Yamamoto ◽  
Thomas J. Emge ◽  
...  
Keyword(s):  
Acid Catalyst ◽  
Structure And Function ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Brönsted Acid ◽  
Brønsted Acid Catalyst ◽  
Brönsted Acid Catalyst ◽  
And Function ◽  
Conjugate Base
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