Design ofN-SpiroC2-Symmetric Chiral Quaternary Ammonium Bromides as Novel Chiral Phase-Transfer Catalysts:  Synthesis and Application to Practical Asymmetric Synthesis of α-Amino Acids

Takashi Ooi; Minoru Kameda; Keiji Maruoka

doi:10.1021/ja021244h

Design ofN-SpiroC2-Symmetric Chiral Quaternary Ammonium Bromides as Novel Chiral Phase-Transfer Catalysts: Synthesis and Application to Practical Asymmetric Synthesis of α-Amino Acids

Journal of the American Chemical Society ◽

10.1021/ja021244h ◽

2003 ◽

Vol 125 (17) ◽

pp. 5139-5151 ◽

Cited By ~ 239

Author(s):

Takashi Ooi ◽

Minoru Kameda ◽

Keiji Maruoka

Keyword(s):

Amino Acids ◽

Asymmetric Synthesis ◽

Quaternary Ammonium ◽

Phase Transfer ◽

Chiral Phase ◽

Phase Transfer Catalysts ◽

Chiral Phase Transfer Catalysts

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Design of N-Spiro C2-Symmetric Chiral Quaternary Ammonium Bromides as Novel Chiral Phase-Transfer Catalysts: Synthesis and Application to Practical Asymmetric Synthesis of α-Amino Acids.

ChemInform ◽

10.1002/chin.200335079 ◽

2003 ◽

Vol 34 (35) ◽

Author(s):

Takashi Ooi ◽

Minoru Kameda ◽

Keiji Maruoka

Keyword(s):

Amino Acids ◽

Asymmetric Synthesis ◽

Quaternary Ammonium ◽

Phase Transfer ◽

Chiral Phase ◽

Phase Transfer Catalysts ◽

Chiral Phase Transfer Catalysts

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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 ◽

Cited By ~ 24

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

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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.

ChemInform ◽

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

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Powerful Chiral Phase-Transfer Catalysts for the Asymmetric Synthesis of ?-Alkyl- and ?,?-Dialkyl-?-amino Acids

Angewandte Chemie International Edition ◽

10.1002/anie.200462257 ◽

2005 ◽

Vol 44 (10) ◽

pp. 1549-1551 ◽

Cited By ~ 159

Author(s):

Masanori Kitamura ◽

Seiji Shirakawa ◽

Keiji Maruoka

Keyword(s):

Amino Acids ◽

Asymmetric Synthesis ◽

Phase Transfer ◽

Chiral Phase ◽

Phase Transfer Catalysts ◽

Chiral Phase Transfer Catalysts ◽

Dialkyl Amino Acids

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Powerful Chiral Phase-Transfer Catalysts for the Asymmetric Synthesis of ?-Alkyl- and ?,?-Dialkyl-?-amino Acids

Angewandte Chemie ◽

10.1002/ange.200462257 ◽

2005 ◽

Vol 117 (10) ◽

pp. 1573-1575 ◽

Cited By ~ 48

Author(s):

Masanori Kitamura ◽

Seiji Shirakawa ◽

Keiji Maruoka

Keyword(s):

Amino Acids ◽

Asymmetric Synthesis ◽

Phase Transfer ◽

Chiral Phase ◽

Phase Transfer Catalysts ◽

Chiral Phase Transfer Catalysts ◽

Dialkyl Amino Acids

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Asymmetric synthesis of α-amino acids using polymer-supported chiral phase transfer catalysts

Reactive and Functional Polymers ◽

10.1016/s1381-5148(99)00033-4 ◽

1999 ◽

Vol 41 (1-3) ◽

pp. 37-43 ◽

Cited By ~ 22

Author(s):

Zhang Zhengpu ◽

Wang Yongmer ◽

Wang Zhen ◽

Philip Hodge

Keyword(s):

Amino Acids ◽

Asymmetric Synthesis ◽

Phase Transfer ◽

Chiral Phase ◽

Phase Transfer Catalysts ◽

Chiral Phase Transfer Catalysts ◽

Polymer Supported

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ChemInform Abstract: Combinatorial Approach for the Design of New, Simplified Chiral Phase-Transfer Catalysts with High Catalytic Performance for Practical Asymmetric Synthesis of α-Alkyl-α-amino Acids.

ChemInform ◽

10.1002/chin.200826193 ◽

2008 ◽

Vol 39 (26) ◽

Author(s):

Masanori Kitamura ◽

Yuichiro Arimura ◽

Seiji Shirakawa ◽

Keiji Maruoka

Keyword(s):

Amino Acids ◽

Asymmetric Synthesis ◽

Phase Transfer ◽

Catalytic Performance ◽

Combinatorial Approach ◽

Chiral Phase ◽

Phase Transfer Catalysts ◽

Chiral Phase Transfer Catalysts

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Powerful Chiral Phase-Transfer Catalysts for the Asymmetric Synthesis of α-Alkyl- and α,α-Dialkyl-α-Amino Acids.

ChemInform ◽

10.1002/chin.200527187 ◽

2005 ◽

Vol 36 (27) ◽

Author(s):

Masanori Kitamura ◽

Seiji Shirakawa ◽

Keiji Maruoka

Keyword(s):

Amino Acids ◽

Asymmetric Synthesis ◽

Phase Transfer ◽

Chiral Phase ◽

Phase Transfer Catalysts ◽

Chiral Phase Transfer Catalysts

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New polymer-supported chiral phase-transfer catalysts in the asymmetric synthesis of α-amino acids: the role of a spacer

Tetrahedron Asymmetry ◽

10.1016/s0957-4166(01)00187-2 ◽

2001 ◽

Vol 12 (7) ◽

pp. 983-986 ◽

Cited By ~ 54

Author(s):

Baptiste Thierry ◽

Jean-Christophe Plaquevent ◽

Dominique Cahard

Keyword(s):

Amino Acids ◽

Asymmetric Synthesis ◽

Phase Transfer ◽

Chiral Phase ◽

Phase Transfer Catalysts ◽

Chiral Phase Transfer Catalysts ◽

Polymer Supported

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Combinatorial Design of Simplified High-Performance Chiral Phase-Transfer Catalysts for Practical Asymmetric Synthesis of α-Alkyl- and α,α-Dialkyl-α-Amino Acids

Chemistry - An Asian Journal ◽

10.1002/asia.200800107 ◽

2008 ◽

Vol 3 (8-9) ◽

pp. 1702-1714 ◽

Cited By ~ 67

Author(s):

Masanori Kitamura ◽

Seiji Shirakawa ◽

Yuichiro Arimura ◽

Xisheng Wang ◽

Keiji Maruoka

Keyword(s):

Amino Acids ◽

Asymmetric Synthesis ◽

High Performance ◽

Phase Transfer ◽

Combinatorial Design ◽

Chiral Phase ◽

Phase Transfer Catalysts ◽

Chiral Phase Transfer Catalysts

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