Synthesis of chiral spirocyclo-quaternary ammonium salts from L-proline and their application as phase-transfer catalysts in asymmetric alkylation

Journal of Chinese Pharmaceutical Sciences ◽

10.5246/jcps.2011.01.003 ◽

2011 ◽

Vol 20 (1) ◽

Author(s):

Na Wang ◽

Run-Tao Li ◽

Qi Sun

Keyword(s):

Quaternary Ammonium ◽

Phase Transfer ◽

Quaternary Ammonium Salts ◽

Ammonium Salts ◽

Asymmetric Alkylation ◽

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 ◽

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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Kinetics and Mechanism of Quaternary Ammonium Salts as Phase-Transfer Catalysts in the Liquid−Liquid Phase for Oxidation of Thiophene

Energy & Fuels ◽

10.1021/ef070152g ◽

2007 ◽

Vol 21 (5) ◽

pp. 2543-2547 ◽

Author(s):

Dishun Zhao ◽

Hongwei Ren ◽

Jianlong Wang ◽

Yu Yang ◽

Ying Zhao

Keyword(s):

Liquid Phase ◽

Quaternary Ammonium ◽

Phase Transfer ◽

Quaternary Ammonium Salts ◽

Kinetics And Mechanism ◽

Ammonium Salts ◽

Phase Transfer Catalysts

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ChemInform Abstract: Applications of Phase-Transfer Catalysis. Part 62. Preparation of New Chiral Quaternary Ammonium Salts and Their Evaluation as Enantioselective Phase Transfer Catalysts.

10.1002/chin.199516025 ◽

1995 ◽

Vol 26 (16) ◽

pp. no-no

Author(s):

E. V. DEHMLOW ◽

S. SCHRADER

Keyword(s):

Quaternary Ammonium ◽

Phase Transfer Catalysis ◽

Phase Transfer ◽

Quaternary Ammonium Salts ◽

Ammonium Salts ◽

Phase Transfer Catalysts

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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

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Asymmetric phase-transfer catalysis of homo- and heterochiral quaternary ammonium salts: development and application of conformationally flexible chiral phase-transfer catalysts

Tetrahedron ◽

10.1016/j.tet.2006.08.052 ◽

2006 ◽

Vol 62 (49) ◽

pp. 11425-11436 ◽

Author(s):

Takashi Ooi ◽

Yukitaka Uematsu ◽

Minoru Kameda ◽

Keiji Maruoka

Keyword(s):

Quaternary Ammonium ◽

Phase Transfer Catalysis ◽

Phase Transfer ◽

Quaternary Ammonium Salts ◽

Ammonium Salts ◽

Chiral Phase ◽

Phase Transfer Catalysts ◽

Chiral Phase Transfer Catalysts

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Bis-quaternary ammonium salts as phase transfer catalysts

Tetrahedron Letters ◽

10.1016/s0040-4039(00)99553-4 ◽

1989 ◽

Vol 30 (13) ◽

pp. 1683-1686 ◽

Author(s):

Manfred Lissel ◽

David Feldman ◽

Malka Nir ◽

Mordecai Rabinovitz

Keyword(s):

Quaternary Ammonium ◽

Phase Transfer ◽

Quaternary Ammonium Salts ◽

Ammonium Salts ◽

Phase Transfer Catalysts

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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

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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 ◽

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Preparation of non-cross-linked polystyrene-supported quaternary ammonium salts and use as phase transfer catalysts under microwave

Reactive and Functional Polymers ◽

10.1016/j.reactfunctpolym.2004.05.005 ◽

2004 ◽

Vol 61 (1) ◽

pp. 139-146 ◽

Author(s):

Zu-Xing Chen ◽

Guo-Yu Xu ◽

Gui-Chun Yang ◽

Wei Wang

Keyword(s):

Quaternary Ammonium ◽

Phase Transfer ◽

Quaternary Ammonium Salts ◽

Ammonium Salts ◽

Phase Transfer Catalysts

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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 ◽

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