‘N-Stereogenic Quaternary Ammonium Salts’ from L-Amino Acids: Synthesis, Separation, and Absolute Configuration

Helvetica Chimica Acta ◽

10.1002/hlca.200800326 ◽

2009 ◽

Vol 92 (4) ◽

pp. 677-688 ◽

Author(s):

Hua-Fang Wu ◽

Wen-Bin Lin ◽

Li-Zi Xia ◽

Ying-Gang Luo ◽

Xiao-Zhen Chen ◽

...

Keyword(s):

Amino Acids ◽

Absolute Configuration ◽

Quaternary Ammonium ◽

Quaternary Ammonium Salts ◽

Download Full-text

Synthesis of fulleropyrrolidines through the reaction of [60]fullerene with quaternary ammonium salts and amino acids

Tetrahedron Letters ◽

10.1016/j.tetlet.2009.07.097 ◽

2009 ◽

Vol 50 (40) ◽

pp. 5640-5643 ◽

Author(s):

Bo Jin ◽

Ru-Fang Peng ◽

Juan Shen ◽

Shi-Jin Chu

Keyword(s):

Amino Acids ◽

Quaternary Ammonium ◽

Quaternary Ammonium Salts ◽

Download Full-text

New trimeric Cinchona alkaloid-based quaternary ammonium salts as efficient chiral phase transfer catalysts for enantioselective synthesis of α-amino acids

Journal of Molecular Catalysis A Chemical ◽

10.1016/j.molcata.2005.11.039 ◽

2006 ◽

Vol 248 (1-2) ◽

pp. 1-9 ◽

Author(s):

Ayyanar Siva ◽

Eagambaram Murugan

Keyword(s):

Amino Acids ◽

Quaternary Ammonium ◽

Phase Transfer ◽

Quaternary Ammonium Salts ◽

Enantioselective Synthesis ◽

Cinchona Alkaloid ◽

Ammonium Salts ◽

Chiral Phase ◽

Phase Transfer Catalysts ◽

Chiral Phase Transfer Catalysts

Download Full-text

THE SIZE OF HYDROXYL GROUPS IN SOLUTION AND THE CHANGES IN SIZE ASSOCIATED WITH THE IONIZATION OF PHENOLIC, CARBOXYLIC AND AMINO GROUPS IN PHENOLIC QUATERNARY AMMONIUM SALTS, NICOTINE AND SOME AMINO ACIDS: POSSIBLE IMPLICATIONS FOR DRUG-WATER AND DRUG-REC

British Journal of Pharmacology ◽

10.1111/j.1476-5381.1980.tb10904.x ◽

1980 ◽

Vol 71 (1) ◽

pp. 17-30 ◽

Author(s):

R.B. BARLOW

Keyword(s):

Amino Acids ◽

Quaternary Ammonium ◽

Quaternary Ammonium Salts ◽

Ammonium Salts ◽

Hydroxyl Groups ◽

Download Full-text

ChemInform Abstract: New Dimeric Anthracenyl-Derived Cinchona Quaternary Ammonium Salts as Phase-Transfer Catalysts for the Asymmetric Synthesis of α-Amino Acids.

10.1002/chin.200243037 ◽

2010 ◽

Vol 33 (43) ◽

pp. no-no

Author(s):

Rafael Chinchilla ◽

Patricia Mazon ◽

Carmen Najera

Keyword(s):

Amino Acids ◽

Asymmetric Synthesis ◽

Quaternary Ammonium ◽

Phase Transfer ◽

Quaternary Ammonium Salts ◽

Ammonium Salts ◽

Phase Transfer Catalysts

Download Full-text

New dimeric anthracenyl-derived Cinchona quaternary ammonium salts as phase-transfer catalysts for the asymmetric synthesis of α-amino acids

Tetrahedron Asymmetry ◽

10.1016/s0957-4166(02)00211-2 ◽

2002 ◽

Vol 13 (9) ◽

pp. 927-931 ◽

Author(s):

Rafael Chinchilla ◽

Patricia Mazón ◽

Carmen Nájera

Keyword(s):

Amino Acids ◽

Asymmetric Synthesis ◽

Quaternary Ammonium ◽

Phase Transfer ◽

Quaternary Ammonium Salts ◽

Ammonium Salts ◽

Phase Transfer Catalysts

Download Full-text

Poly(ethylene glycol) Supported Chiral Quaternary Ammonium Salts as Phase-Transfer Catalysts for Catalytic Enantioselective Synthesis of α-Amino Acids

Bulletin of the Korean Chemical Society ◽

10.5012/bkcs.2004.25.3.347 ◽

2004 ◽

Vol 25 (3) ◽

pp. 347-348 ◽

Keyword(s):

Amino Acids ◽

Ethylene Glycol ◽

Quaternary Ammonium ◽

Phase Transfer ◽

Quaternary Ammonium Salts ◽

Enantioselective Synthesis ◽

Ammonium Salts ◽

Poly Ethylene Glycol ◽

Phase Transfer Catalysts ◽

Download Full-text

Quaternary Ammonium Salts as Chromophores for Exciton-Coupled Circular Dichroism: Absolute Configuration of Hypocholesterolemic Quinuclidines

Journal of the American Chemical Society ◽

10.1021/ja00134a045 ◽

1995 ◽

Vol 117 (29) ◽

pp. 7844-7845 ◽

Author(s):

Ning Zhao ◽

Narendra Kumar ◽

Kent Neuenschwander ◽

Koji Nakanishi ◽

Nina Berova

Keyword(s):

Circular Dichroism ◽

Absolute Configuration ◽

Quaternary Ammonium ◽

Quaternary Ammonium Salts ◽

Ammonium Salts ◽

Circular Dichroïsm

Download Full-text

Poly(ethylene glycol) Supported Chiral Quaternary Ammonium Salts as Phase-Transfer Catalysts for Catalytic Enantioselective Synthesis of α-Amino Acids.

10.1002/chin.200435183 ◽

2004 ◽

Vol 35 (35) ◽

Author(s):

Dae Young Kim ◽

Sun Chul Huh

Keyword(s):

Amino Acids ◽

Ethylene Glycol ◽

Quaternary Ammonium ◽

Phase Transfer ◽

Quaternary Ammonium Salts ◽

Enantioselective Synthesis ◽

Ammonium Salts ◽

Poly Ethylene Glycol ◽

Phase Transfer Catalysts ◽

Download Full-text

A novel quaternary ammonium salts derived from α-amino acids with large steric hindrance group and its application in asymmetric Mannich reaction

Tetrahedron ◽

10.1016/j.tet.2020.131484 ◽

2020 ◽

Vol 76 (39) ◽

pp. 131484 ◽

Author(s):

Zhengtao Tian ◽

Xiangyu Meng ◽

Yueyang Luo ◽

Shaokui Cao ◽

Gang Zhao

Keyword(s):

Amino Acids ◽

Steric Hindrance ◽

Mannich Reaction ◽

Quaternary Ammonium ◽

Quaternary Ammonium Salts ◽

Download Full-text

Faculty Opinions recommendation of Development of highly diastereo- and enantioselective direct asymmetric aldol reaction of a glycinate Schiff base with aldehydes catalyzed by chiral quaternary ammonium salts.

Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature ◽

10.3410/f.1020518.232638 ◽

2004 ◽

Author(s):

Carlos F Barbas

Keyword(s):

Schiff Base ◽

Quaternary Ammonium ◽

Aldol Reaction ◽

Quaternary Ammonium Salts ◽

Ammonium Salts ◽

Asymmetric Aldol ◽

Asymmetric Aldol Reaction

Download Full-text