Improved conditions for the asymmetric synthesis of α-amino acids using Cinchona-derived anthracenylmethyl ammonium salts as chiral phase-transfer organocatalysts

Tetrahedron Asymmetry ◽

10.1016/j.tetasy.2006.12.004 ◽

2006 ◽

Vol 17 (24) ◽

pp. 3423-3429 ◽

Author(s):

Rafael Chinchilla ◽

Carmen Nájera ◽

Francisco J. Ortega

Keyword(s):

Amino Acids ◽

Asymmetric Synthesis ◽

Phase Transfer ◽

Ammonium Salts ◽

Download Full-text

Improved Conditions for the Asymmetric Synthesis of α-Amino Acids Using Cinchona-Derived Anthracenylmethyl Ammonium Salts as Chiral Phase-Transfer Organocatalysts.

10.1002/chin.200725185 ◽

2007 ◽

Vol 38 (25) ◽

Author(s):

Rafael Chinchilla ◽

Carmen Najera ◽

Francisco J. Ortega

Keyword(s):

Amino Acids ◽

Asymmetric Synthesis ◽

Phase Transfer ◽

Ammonium Salts ◽

Download Full-text

Asymmetric synthesis of α-amino acids using polymer-supported Cinchona alkaloid-derived ammonium salts as chiral phase-transfer catalysts

Tetrahedron Asymmetry ◽

10.1016/s0957-4166(00)00317-7 ◽

2000 ◽

Vol 11 (16) ◽

pp. 3277-3281 ◽

Author(s):

Rafael Chinchilla ◽

Patricia Mazón ◽

Carmen Nájera

Keyword(s):

Amino Acids ◽

Asymmetric Synthesis ◽

Phase Transfer ◽

Cinchona Alkaloid ◽

Ammonium Salts ◽

Chiral Phase ◽

Phase Transfer Catalysts ◽

Chiral Phase Transfer Catalysts ◽

Polymer Supported

Download Full-text

ChemInform Abstract: Asymmetric Synthesis of α-Amino Acids Using Polymer-Supported Cinchona Alkaloid-Derived Ammonium Salts as Chiral Phase-Transfer Catalysts.

10.1002/chin.200105082 ◽

2001 ◽

Vol 32 (5) ◽

pp. no-no

Author(s):

Rafael Chinchilla ◽

Patricia Mazon ◽

Carmen Najera

Keyword(s):

Amino Acids ◽

Asymmetric Synthesis ◽

Phase Transfer ◽

Cinchona Alkaloid ◽

Ammonium Salts ◽

Chiral Phase ◽

Phase Transfer Catalysts ◽

Chiral Phase Transfer Catalysts ◽

Polymer Supported

Download Full-text

Development of a Recyclable Fluorous Chiral Phase-Transfer Catalyst: Application to the Catalytic Asymmetric Synthesis of α-Amino Acids.

10.1002/chin.200435186 ◽

2004 ◽

Vol 35 (35) ◽

Author(s):

Seiji Shirakawa ◽

Youhei Tanaka ◽

Keiji Maruoka

Keyword(s):

Amino Acids ◽

Asymmetric Synthesis ◽

Phase Transfer ◽

Phase Transfer Catalyst ◽

Chiral Phase ◽

Catalytic Asymmetric Synthesis ◽

Catalytic Asymmetric

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

Convenient Preparation of Chiral Phase-Transfer Catalysts with Conformationally Fixed Biphenyl Core for Catalytic Asymmetric Synthesis of α-Alkyl- and α,α-Dialkyl-α-amino Acids: Application to the Short Asymmetric Synthesis of BIRT-377.

10.1002/chin.200741168 ◽

2007 ◽

Vol 38 (41) ◽

Author(s):

Yong-Gang Wang ◽

Mitsuhiro Ueda ◽

Xisheng Wang ◽

Zhenfu Han ◽

Keiji Maruoka

Keyword(s):

Amino Acids ◽

Asymmetric Synthesis ◽

Phase Transfer ◽

Chiral Phase ◽

Phase Transfer Catalysts ◽

Catalytic Asymmetric Synthesis ◽

Chiral Phase Transfer Catalysts ◽

Catalytic Asymmetric ◽

Convenient Preparation

Download Full-text

The counterion effect in the phase-transfer catalyzed asymmetric synthesis of α-amino acids promoted by anthryl-derived dimeric Cinchona ammonium salts

Tetrahedron Asymmetry ◽

10.1016/j.tetasy.2004.07.025 ◽

2004 ◽

Vol 15 (17) ◽

pp. 2603-2607 ◽

Author(s):

Rafael Chinchilla ◽

Patricia Mazón ◽

Carmen Nájera ◽

Francisco J. Ortega

Keyword(s):

Amino Acids ◽

Asymmetric Synthesis ◽

Phase Transfer ◽

Ammonium Salts ◽

Counterion Effect

Download Full-text

Polystyrene-AnchoredCinchona Ammonium Salts: Easily Recoverable Phase-Transfer Catalysts for the Asymmetric Synthesis ofα-Amino Acids

Advanced Synthesis & Catalysis ◽

10.1002/adsc.200404093 ◽

2004 ◽

Vol 346 (910) ◽

pp. 1186-1194 ◽

Author(s):

Rafael Chinchilla ◽

Patricia Mazón ◽

Carmen Nájera

Keyword(s):

Amino Acids ◽

Asymmetric Synthesis ◽

Phase Transfer ◽

Ammonium Salts ◽

Phase Transfer Catalysts

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

ChemInform Abstract: Asymmetric Synthesis of Î±-Amino Acids Using Polymer-Supported Cinchona Ammonium Salts as Phase-Transfer Catalysts

10.1002/chin.201001235 ◽

2010 ◽

Vol 41 (1) ◽

pp. no-no

Author(s):

Rafael Chinchilla ◽

Carmen Najera

Keyword(s):

Amino Acids ◽

Asymmetric Synthesis ◽

Phase Transfer ◽

Ammonium Salts ◽

Phase Transfer Catalysts ◽

Polymer Supported

Download Full-text