Enantioselective Direct Aldol-Type Reaction of Azlactone via Protonation of Vinyl Ethers by a Chiral Brønsted Acid Catalyst

2009 ◽  
Vol 131 (10) ◽  
pp. 3430-3431 ◽  
Author(s):  
Masahiro Terada ◽  
Hiroyasu Tanaka ◽  
Keiichi Sorimachi
Keyword(s):  
Acid Catalyst ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Vinyl Ethers ◽  
Type Reaction ◽  
Brönsted Acid ◽  
Brønsted Acid Catalyst ◽  
Chiral Bronsted Acid ◽  
Brönsted Acid Catalyst

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

An effective route to fluorine containing asymmetric α-aminophosphonates using chiral Bronsted acid catalyst

Chirality ◽  
2009 ◽  
Vol 21 (5) ◽  
pp. 547-557 ◽  
Author(s):  
Pinaki S. Bhadury ◽  
Yuping Zhang ◽  
Sha Zhang ◽  
Baoan Song ◽  
Song Yang ◽  
...  
Keyword(s):  
Acid Catalyst ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Brönsted Acid ◽  
Brønsted Acid Catalyst ◽  
Chiral Bronsted Acid ◽  
Brönsted Acid Catalyst
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