Catalytic Asymmetric Synthesis of 3,3′-Diaryloxindoles as Triarylmethanes with a Chiral All-Carbon Quaternary Center: Phase-Transfer-Catalyzed SNAr Reaction

Seiji Shirakawa; Kenta Koga; Takashi Tokuda; Kenichiro Yamamoto; Keiji Maruoka

doi:10.1002/ange.201403046

Catalytic Asymmetric Synthesis of 3,3′-Diaryloxindoles as Triarylmethanes with a Chiral All-Carbon Quaternary Center: Phase-Transfer-Catalyzed SNAr Reaction

Angewandte Chemie ◽

10.1002/ange.201403046 ◽

2014 ◽

Vol 126 (24) ◽

pp. 6334-6337 ◽

Cited By ~ 31

Author(s):

Seiji Shirakawa ◽

Kenta Koga ◽

Takashi Tokuda ◽

Kenichiro Yamamoto ◽

Keiji Maruoka

Keyword(s):

Asymmetric Synthesis ◽

Phase Transfer ◽

Catalytic Asymmetric Synthesis ◽

Quaternary Center ◽

Snar Reaction ◽

Catalytic Asymmetric

Download Full-text

Catalytic Asymmetric Synthesis of 3,3′-Diaryloxindoles as Triarylmethanes with a Chiral All-Carbon Quaternary Center: Phase-Transfer-Catalyzed SNAr Reaction

Angewandte Chemie International Edition ◽

10.1002/anie.201403046 ◽

2014 ◽

Vol 53 (24) ◽

pp. 6220-6223 ◽

Cited By ~ 73

Author(s):

Seiji Shirakawa ◽

Kenta Koga ◽

Takashi Tokuda ◽

Kenichiro Yamamoto ◽

Keiji Maruoka

Keyword(s):

Asymmetric Synthesis ◽

Phase Transfer ◽

Catalytic Asymmetric Synthesis ◽

Quaternary Center ◽

Snar Reaction ◽

Catalytic Asymmetric

Download Full-text

ChemInform Abstract: Catalytic Asymmetric Synthesis of 3,3′-Diaryloxindoles as Triarylmethanes with a Chiral All-Carbon Quaternary Center: Phase-Transfer-Catalyzed SNAr Reaction.

ChemInform ◽

10.1002/chin.201450112 ◽

2014 ◽

Vol 45 (50) ◽

pp. no-no

Author(s):

Seiji Shirakawa ◽

Kenta Koga ◽

Takashi Tokuda ◽

Kenichiro Yamamoto ◽

Keiji Maruoka

Keyword(s):

Asymmetric Synthesis ◽

Phase Transfer ◽

Catalytic Asymmetric Synthesis ◽

Quaternary Center ◽

Snar Reaction ◽

Catalytic Asymmetric

Download Full-text

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

Download Full-text

ChemInform Abstract: Catalytic Asymmetric Synthesis of Isoxazoline-N-oxides Through Conjugate Addition-Cyclization under Phase-Transfer Conditions.

ChemInform ◽

10.1002/chin.201206119 ◽

2012 ◽

Vol 43 (6) ◽

pp. no-no

Author(s):

Taichi Kano ◽

Akihiro Yamamoto ◽

Sunhwa Song ◽

Keiji Maruoka

Keyword(s):

Asymmetric Synthesis ◽

Phase Transfer ◽

Conjugate Addition ◽

Catalytic Asymmetric Synthesis ◽

Catalytic Asymmetric

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.

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

Download Full-text

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

Download Full-text

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

Download Full-text

ChemInform Abstract: Catalytic Asymmetric Synthesis of Axially Chiral o-Iodoanilides by Phase-Transfer Catalyzed Alkylations.

ChemInform ◽

10.1002/chin.201223082 ◽

2012 ◽

Vol 43 (23) ◽

pp. no-no

Author(s):

Seiji Shirakawa ◽

Kun Liu ◽

Keiji Maruoka

Keyword(s):

Asymmetric Synthesis ◽

Phase Transfer ◽

Catalytic Asymmetric Synthesis ◽

Axially Chiral ◽

Catalytic Asymmetric

Download Full-text

ChemInform Abstract: Distinct Advantage of the in situ Generation of Quaternary Ammonium Fluorides under Phase-Transfer Conditions Toward Catalytic Asymmetric Synthesis.

ChemInform ◽

10.1002/chin.200134079 ◽

2010 ◽

Vol 32 (34) ◽

pp. no-no

Author(s):

Takashi Ooi ◽

Kanae Doda ◽

Keiji Maruoka

Keyword(s):

Asymmetric Synthesis ◽

Quaternary Ammonium ◽

Phase Transfer ◽

Distinct Advantage ◽

Catalytic Asymmetric Synthesis ◽

In Situ Generation ◽

Catalytic Asymmetric

Download Full-text

Catalytic Asymmetric Synthesis of 3-Substituted Proline Derivatives by Using Phase-Transfer-Catalyzed Conjugate Addition

Asian Journal of Organic Chemistry ◽

10.1002/ajoc.201200039 ◽

2012 ◽

Vol 1 (2) ◽

pp. 180-186 ◽

Cited By ~ 13

Author(s):

Yan Liu ◽

Asuka Usui ◽

Seiji Shirakawa ◽

Keiji Maruoka

Keyword(s):

Asymmetric Synthesis ◽

Phase Transfer ◽

Conjugate Addition ◽

Catalytic Asymmetric Synthesis ◽

Catalytic Asymmetric ◽

Proline Derivatives

Download Full-text