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Maruoka Group, Department of Chemistry, Graduate School of Science, Kyoto University
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2009
Enantioselective Base-Free Phase-Transfer Reaction in Water-Rich Solvent.
R. He, S. Shirakawa, K. Maruoka, J. Am. Chem. Soc., 131, 16620 (2009). (Highlighted in SYNFACTS, 106 (2010))

Design of sophisticated bidentate Lewis acids and organocatalysts for fine organic synthesis.
K. Maruoka, Bull. Chem. Soc. Jpn., 82, 917 (2009).

Al Lewis acid-catalyzed regiodivergent 1,2-rearrangement of
α
-siloxy aldehydes: scope and mechanism.
K. Ohmatsu, T. Tanaka, T. Ooi, K. Maruoka, Tetrahedron, 65, 7516 (2009).

Binaphthyl-modified quaternary phosphonium salts as chiral phase transfer catalysts: application to asymmetric amination of β-keto esters.
R. He, K. Maruoka, Synthesis, 2289 (2009).

Stereoselective Synthesis of α-Alkyl-β-keto Imides via Asymmetric Redox C-C Bond Formation between α-Alkyl-α-diazocarbonyl Compounds and Aldehydes.
T. Hashimoto, H. Miyamoto, Y. Naganawa, K. Maruoka, J. Am. Chem. Soc., 131, 11280 (2009). (Highlighted in SYNFACTS, 1247 (2009))

Catalytic asymmetric synthesis of cyclic α-alkyl-amino acid derivatives having a tetrasubstituted α-carbon.
Y.-G. Wang, H. Mii, T. Kano, K. Maruoka, Bioorg. Med. Chem. Lett., 19, 3795 (2009).

A Designer Axially Chiral Amino Sulfonamide as an Efficient Organocatalyst for Direct Asymmetric anti-Selective Mannich Reactions and syn-Selective Cross-Aldol Reactions.
T. Kano, Y. Yamaguchi, K. Maruoka, Chem. Eur. J., 15, 6678 (2009).

α-Chiral Acetylenes Having an All-Carbon Quaternary Center: Phase Transfer Catalyzed Enantioselective α-Alkylation of α-Alkyl-
α
-alkynyl Esters.
T. Hashimoto, K. Sakata, K. Maruoka, Angew. Chem., Int. Ed., 48, 5014 (2009).

Phosphonium Salts as Chiral Phase-Transfer Catalysts: Asymmetric Michael and Mannich Reactions of 3-Aryloxindoles.
R. He, C. Ding, K. Maruoka, Angew. Chem., Int. Ed., 48, 4559 (2009).

Enantioselectivity switch in direct asymmetric aminoxylation catalyzed by binaphthyl-based chiral secondary amines.
T. Kano, A. Yamamoto, F. Shirozu, K. Maruoka, Synthesis, 1557 (2009). (Highlighted in SYNFACTS, 799 (2009))

Highly efficient asymmetric amination of β-keto esters catalyzed by chiral quaternary ammonium bromides.
Q. Lan, X. Wang, R. He, K. Maruoka, Tetrahedron Lett., 50, 3280 (2009).

Organocatalyzed direct asymmetric α-halogenation of carbonyl compounds.
M. Ueda, T. Kano, K. Maruoka, Org. Biomol. Chem., 7, 2005 (2009).

Stereoselective Construction of Seven-Membered Rings with an All-Carbon Quaternary Center by Direct Tiffeneau-Demjanov-type Ring Expansion.
T. Hashimoto, Y. Naganawa, K. Maruoka, J. Am. Chem. Soc., 131, 6614 (2009). (Highlighted in SYNFACTS, 758 (2009))

Rate Enhancement of Phase Transfer Catalyzed Conjugate Additions by CsCl.
T. Kano, T. Kumano, K. Maruoka, Org. Lett., 11, 2023 (2009).

Organocatalytic approach to enantioselective one-pot synthesis of pyrrolidine, hexahydropyrrolizine, and octahydroindolizine core structures.
Y.-G. Wang, T. Kumano, T. Kano, K. Maruoka, Org. Lett., 11, 2027 (2009). (Most Read Articles) (Highlighted in SYNFACTS, 678 (2009))

Enantioselective alkylation of α-fluoro-β-keto esters by asymmetric phase-transfer catalysis.
C. Ding, K. Maruoka, Synlett, 664 (2009).

Phase-transfer-catalyzed enantioselective alkylation of
α-benzoyloxy-β-keto ester.
T. Hashimoto, K. Sasaki, K. Fukumoto, Y. Murase, T. Ooi, K. Maruoka, Synlett, 661 (2009).

Catalytic enantioselective construction of all-carbon quaternary stereocenters by an organocatalytic Diels-Alder reaction of α-substituted α,β-unsaturated aldehydes.
T. Kano, Y. Tanaka, K. Osawa, T. Yurino, K. Maruoka, Chem. Commun., 1956 (2009). (Cover Picture) (Highlighted in SYNFACTS, 450 (2009))

A designer axially chiral amino sulfonamide as an efficient organocatalyst for direct asymmetric Mannich reactions of N-Boc-protected imines.
T. Kano, Y. Yamaguchi, K. Maruoka, Angew. Chem., Int. Ed., 48, 1838 (2009). (Highlighted in SYNFACTS, 446 (2009))

Direct Asymmetric Benzoyloxylation of Aldehydes Catalyzed by 2-Tritylpyrrolidine.
T. Kano, H. Mii, K. Maruoka, J. Am. Chem. Soc., 131, 3450 (2009). (Most Read Articles) (Highlighted in SYNFACTS, 566 (2009))