Highly Diastereo- and Enantioselective Formal Conjugate Addition of Nitroalkanes to Nitroalkenes by Chiral Ammonium Bifluoride Catalysis
T. Ooi, S. Takada, K. Doda and K. Maruoka, Angew. Chem., Int. Ed., 45, 7606 (2006).
Design of a C2-Symmetric Chiral Pyrrolidine-based Amino Sulfonamide: Application to anti-Selective Direct Asymmetric Mannich Reactions
T. Kano, Y. Hato and K. Maruoka, Tetrahedron Lett., 47, 8467 (2006).
Asymmetric Phase-transfer Catalysis of Homo- and Heterochiral Quaternary Ammonium Salts: Development and Application of Conformationally Flexible Chiral Phase-transfer Catalysts
T. Ooi, Y. Uematsu, M. Kameda and K. Maruoka, Tetrahedron, 62, 11425 (2006).
Design of Environmentally-benign Chiral Organocatalysts for Practical Asymmetric Synthetic of Useful Amino Acids
K. Maruoka, Fain Kemikaru, 35, 35 (2006).
Synthesis of a Biphenyl-based Axially Chiral Amino Acid as a Highly Efficient Catalyst for the Direct Asymmetric Aldol Reaction
T. Kano, O. Tokuda and K. Maruoka, Tetrahedron Lett., 47, 7423 (2006).
Design of a Binaphthyl-based Axially Chiral Amino Acid as an Organocatalyst for Direct Asymmetric Aldol Reactions
T. Kano, O. Tokuda, J. Takai and K. Maruoka, Chem.-Asian J., 1, 210 (2006).
Asymmetric Synthesis of α-Acyl-γ-butyrolactones Possessing All-carbon Quaternary Stereocenters by Phase-transfer-catalyzed Alkylation
T. Ooi, T. Miki, K. Fukumoto and K. Maruoka, Adv. Synth. Catal., 348, 1539 (2006). (Highlighted in SYNFACTS, 1173 (2006))
Construction of Enantiomerically Enriched Tertiary α-Hydroxycarboxylic Acid Derivatives by Phase-transfer-catalyzed Asymmetric Alkylation of Diaryloxazolidin-2,4-Diones
T. Ooi, K. Fukumoto and K. Maruoka, Angew. Chem., Int. Ed., 45, 3839 (2006).
Highly Efficient Trialkylsilylcyanation of Aldehydes, Ketones and Imines Catalyzed by a Nucleophilic N-Heterocyclic Carbene
T. Kano, K. Sasaki, T. Konishi, H. Mii and K. Maruoka, Tetrahedron Lett., 47, 4615 (2006).
exo-Selective Asymmetric Diels-Alder Reaction Catalyzed by Diamine Salts as Organocatalysts
T. Kano, Y. Tanaka and K. Maruoka, Org. Lett., 8, 2687 (2006). (Highlighted in SYNFACTS, 843 (2006))
Direct Asymmetric Hydroxyamination Reaction Catalyzed by an Axially Chiral Secondary Amine Catalyst
T. Kano, M. Ueda, J. Takai and K. Maruoka, J. Am. Chem. Soc., 128, 6046 (2006). (Highlighted in SYNFACTS, 615 (2006))
Highly Enantioselective Monoalkylation of p-Chlorobenzaldehyde Imine of Glycine tert-Butyl Ester under Mild Phase-transfer Conditions
T. Ooi, Y. Arimura, Y. Hiraiwa, L. M. Yuan, T. Kano, T. Inoue, J. Matsumoto and K. Maruoka, Tetrahedron: Asymmetry, 17, 603 (2006).
Organocatalytic Oxy-Michael Addition of Alcohols to α,β-Unsaturated Aldehydes
T. Kano, Y. Tanaka and K. Maruoka, Tetrahedron Lett., 47, 3039 (2006).
Asymmetric Strecker Reaction of Aldimines Using Aqueous Potassium Cyanide by Phase-Transfer Catalysis of Chiral Quaternary Ammonium Salts with a Tetranaphthyl Backbone
T. Ooi, Y. Uematsu and K. Maruoka,J. Am. Chem. Soc., 128, 2548 (2006). (Highlighted in SYNFACTS, 389 (2006))
Design of Chiral Tin(IV) Aryloxide as a Mild Lewis Acid Catalyst for Enantioselective Diels-Alder Reaction
T. Kano, T. Konishi, S. Konishi and K. Maruoka, Tetrahedron Lett., 47, 873 (2006). (Highlighted in SYNFACTS, 468 (2006))
Enantioselective 1,3-Dipolar Cycloaddition Reaction between Diazoacetates and α-Substituted Acroleins: Total Synthesis of Manzacidin A
T. Kano, T. Hashimoto and K. Maruoka, J. Am. Chem. Soc., 128, 2174 (2006). (Highlighted in SYNFACTS, 645 (2006))
Asymmetric Michael Addition of Silyl Nitronates to Cyclic α,β-Unsaturated Ketones Catalyzed by Chiral Quaternary Ammonium Bifluorides: Isolation and Selective Functionalization of Enol Silyl Ethers of Optically Active γ-Nitro Ketones
T. Ooi, K. Doda, S. Takada and K. Maruoka, Tetrahedron Lett., 47, 145 (2006).