Asymmetric Synthesis of Functionalized Aza-Cyclic Amino Acids with Quaternary Stereocenters by a Phase-Transfer-Catalyzed Alkylation Strategy

Takashi Ooi; Takashi Miki; Keiji Maruoka

doi:10.1021/ol047921p

Asymmetric Synthesis of Functionalized Aza-Cyclic Amino Acids with Quaternary Stereocenters by a Phase-Transfer-Catalyzed Alkylation Strategy

Organic Letters ◽

10.1021/ol047921p ◽

2005 ◽

Vol 7 (2) ◽

pp. 191-193 ◽

Cited By ~ 27

Author(s):

Takashi Ooi ◽

Takashi Miki ◽

Keiji Maruoka

Keyword(s):

Amino Acids ◽

Asymmetric Synthesis ◽

Phase Transfer ◽

Quaternary Stereocenters ◽

Cyclic Amino Acids

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Asymmetric Synthesis of Functionalized Aza-Cyclic Amino Acids with Quaternary Stereocenters by a Phase-Transfer-Catalyzed Alkylation Strategy.

ChemInform ◽

10.1002/chin.200522104 ◽

2005 ◽

Vol 36 (22) ◽

Author(s):

Takashi Ooi ◽

Takashi Miki ◽

Keiji Maruoka

Keyword(s):

Amino Acids ◽

Asymmetric Synthesis ◽

Phase Transfer ◽

Quaternary Stereocenters ◽

Cyclic Amino Acids

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

ChemInform ◽

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

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ChemInform Abstract: Chiral Salen-Metal Complexes as Novel Catalysts for the Asymmetric Synthesis of α-Amino Acids under Phase Transfer Catalysis Conditions.

ChemInform ◽

10.1002/chin.200130192 ◽

2010 ◽

Vol 32 (30) ◽

pp. no-no

Author(s):

Yuri N. Belokon ◽

Michael North ◽

Tatiana D. Churkina ◽

Nikolai S. Ikonnikov ◽

Victor I. Maleev

Keyword(s):

Amino Acids ◽

Metal Complexes ◽

Asymmetric Synthesis ◽

Phase Transfer Catalysis ◽

Phase Transfer

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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 ◽

Cited By ~ 15

Author(s):

Rafael Chinchilla ◽

Carmen Nájera ◽

Francisco J. Ortega

Keyword(s):

Amino Acids ◽

Asymmetric Synthesis ◽

Phase Transfer ◽

Ammonium Salts ◽

Chiral Phase

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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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Convenient preparation of highly active phase-transfer catalyst for catalytic asymmetric synthesis of α-alkyl- and α,α-dialkyl-α-amino acids: application to the short asymmetric synthesis of BIRT-377

Tetrahedron Letters ◽

10.1016/j.tetlet.2005.09.185 ◽

2005 ◽

Vol 46 (49) ◽

pp. 8555-8558 ◽

Cited By ~ 37

Author(s):

Zhenfu Han ◽

Yukako Yamaguchi ◽

Masanori Kitamura ◽

Keiji Maruoka

Keyword(s):

Amino Acids ◽

Asymmetric Synthesis ◽

Phase Transfer ◽

Active Phase ◽

Phase Transfer Catalyst ◽

Catalytic Asymmetric Synthesis ◽

Highly Active ◽

Catalytic Asymmetric ◽

Convenient Preparation

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A practical asymmetric synthesis of α-methyl α-amino acids using a chiral Cu–salen complex as a phase transfer catalyst

Tetrahedron Letters ◽

10.1016/s0040-4039(00)01247-8 ◽

2000 ◽

Vol 41 (37) ◽

pp. 7245-7248 ◽

Cited By ~ 57

Author(s):

Yuri N Belokon' ◽

R.Gareth Davies ◽

Michael North

Keyword(s):

Amino Acids ◽

Asymmetric Synthesis ◽

Phase Transfer ◽

Phase Transfer Catalyst ◽

Salen Complex

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ChemInform Abstract: Transition Metal Complexes. A New Class of Catalysts for the Asymmetric Synthesis of α-Amino Acids by Phase-Transfer Alkylation.

ChemInform ◽

10.1002/chin.199206267 ◽

2010 ◽

Vol 23 (6) ◽

pp. no-no

Author(s):

YU. N. BELOKON' ◽

V. I. MALEEV ◽

S. O. VIDENSKAYA ◽

M. B. SAPOROVSKAYA ◽

V. A. TSYRYAPKIN ◽

...

Keyword(s):

Amino Acids ◽

Transition Metal ◽

Metal Complexes ◽

Asymmetric Synthesis ◽

Transition Metal Complexes ◽

Phase Transfer ◽

New Class

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Contrast performance in catalytic ability—new cinchona phase transfer catalysts for asymmetric synthesis of α-amino acids

Tetrahedron ◽

10.1016/j.tet.2004.12.005 ◽

2005 ◽

Vol 61 (6) ◽

pp. 1443-1447 ◽

Cited By ~ 9

Author(s):

Shanmugam Elango ◽

Murugapillai Venugopal ◽

P.S. Suresh ◽

Eni

Keyword(s):

Amino Acids ◽

Asymmetric Synthesis ◽

Phase Transfer ◽

Phase Transfer Catalysts

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Convenient Preparation of Highly Active Phase-Transfer Catalyst 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.200612197 ◽

2006 ◽

Vol 37 (12) ◽

Author(s):

Zhenfu Han ◽

Yukako Yamaguchi ◽

Masanori Kitamura ◽

Keiji Maruoka

Keyword(s):

Amino Acids ◽

Asymmetric Synthesis ◽

Phase Transfer ◽

Active Phase ◽

Phase Transfer Catalyst ◽

Catalytic Asymmetric Synthesis ◽

Highly Active ◽

Catalytic Asymmetric ◽

Convenient Preparation

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