Expanding the Scope of the Direct Regiospecific Asymmetric Aldol Reaction to Enones and Dienones Catalyzed by a BINOL-Derived Brønsted Acid

2011 ◽  
Vol 2011 (33) ◽  
pp. 6628-6631 ◽  
Author(s):  
Joydeb Das ◽  
Fabien Le Cavelier ◽  
Jacques Rouden ◽  
Jérôme Blanchet
Keyword(s):  
Aldol Reaction ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Asymmetric Aldol ◽  
Brönsted Acid ◽  
Asymmetric Aldol Reaction

scholarly journals Brønsted Acid Catalyzed Asymmetric Aldol Reaction: A Complementary Approach to Enamine Catalysis

2010 ◽  
Vol 12 (16) ◽  
pp. 3582-3585 ◽  
Author(s):  
Guillaume Pousse ◽  
Fabien Le Cavelier ◽  
Luke Humphreys ◽  
Jacques Rouden ◽  
Jérôme Blanchet
Keyword(s):  
Aldol Reaction ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Asymmetric Aldol ◽  
Complementary Approach ◽  
Brönsted Acid ◽  
Asymmetric Aldol Reaction ◽  
Enamine Catalysis ◽  
Acid Catalyzed

A phosphotungstic acid-supported multifunctional organocatalyst containing 9-amino(9-deoxy)epi-cinchonidine and Brønsted acid and its application in asymmetric aldol reaction

RSC Advances ◽  
2016 ◽  
Vol 6 (61) ◽  
pp. 55894-55902 ◽  
Author(s):  
Ling Lan ◽  
Guangxin Xie ◽  
Tao Wu ◽  
Dandan Feng ◽  
Xuebing Ma
Keyword(s):  
Phosphotungstic Acid ◽  
Aldol Reaction ◽  
Catalytic Performance ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Asymmetric Aldol ◽  
Brönsted Acid ◽  
Asymmetric Aldol Reaction ◽  
First Time ◽  
Excellent Catalytic Performance

Phosphotungstic acid-supported multifunctional 9-amino(9-deoxy)epi-cinchonidine containing Brønsted acid was developed through facile precipitation for the first time and afforded aldol adducts in excellent catalytic performance with good reusability.

Catalyst-free synthesis of α1-oxindole-α-hydroxyphosphonates via phospha-aldol reaction of isatins employing N-heterocyclic phosphine (NHP)-thiourea

2016 ◽  
Vol 14 (38) ◽  
pp. 8952-8956 ◽  
Author(s):  
Nagaraju Molleti ◽  
Jun Yong Kang
Keyword(s):  
Critical Role ◽  
Aldol Reaction ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Catalyst Free ◽  
Brönsted Acid

A catalyst-free phospha-aldol reaction of isatins with NHP-thiourea has been developed and the critical role of the Brønsted acid in this transformation is unveiled.

An environmentally friendly Mukaiyama aldol reaction catalyzed by a strong Brønsted acid in solvent-free conditions

2011 ◽  
Vol 9 (7) ◽  
pp. 2192 ◽  
Author(s):  
Margherita Barbero ◽  
Stefano Bazzi ◽  
Silvano Cadamuro ◽  
Stefano Dughera ◽  
Claudio Magistris ◽  
...  
Keyword(s):  
Aldol Reaction ◽  
Environmentally Friendly ◽  
Solvent Free ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Mukaiyama Aldol Reaction ◽  
Solvent Free Conditions ◽  
Brönsted Acid ◽  
Mukaiyama Aldol

Brønsted acid mediated N–O bond cleavage for α-amination of ketones through the aromatic nitroso aldol reaction

2016 ◽  
Vol 52 (15) ◽  
pp. 3215-3218 ◽  
Author(s):  
Isai Ramakrishna ◽  
Harekrishna Sahoo ◽  
Mahiuddin Baidya
Keyword(s):  
Bond Cleavage ◽  
Aldol Reaction ◽  
Nitroso Compounds ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Enol Ethers ◽  
Silyl Enol Ethers ◽  
Brönsted Acid ◽  
Aromatic Nitroso Compounds

A Brønsted acid mediated N–O bond cleavage for α-amination of ketones has been developed through the nitroso aldol reaction of less-reactive aromatic nitroso compounds and silyl enol ethers having a disilane (–SiMe2TMS) backbone.

Chiral Primary−Tertiary Diamine−Brønsted Acid Salt Catalyzed Syn-Selective Cross-Aldol Reaction of Aldehydes

2010 ◽  
Vol 75 (13) ◽  
pp. 4501-4507 ◽  
Author(s):  
Jiuyuan Li ◽  
Niankai Fu ◽  
Xin Li ◽  
Sanzhong Luo ◽  
Jin-Pei Cheng
Keyword(s):  
Aldol Reaction ◽  
Bronsted Acid ◽  
Acid Salt ◽  
Brønsted Acid ◽  
Brönsted Acid
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