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Maruoka Group, Department of Chemistry, Graduate School of Science, Kyoto University
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2008
Design of an axially chiral dicarboxylic acid and its application in syntheses of optically active β-amino acids and β-amino phosphonic acid derivatives.
T. Hashimoto, K. Maruoka, Synthesis, 3703 (2008).

Binaphthyl-modified quaternary phosphonium salts as chiral phase-transfer catalysts: asymmetric amination of β-keto esters.

R. He, X. Wang, T. Hashimoto, K. Maruoka, Angew. Chem., Int. Ed., 47, 9466 (2008). (Highlighted in SYNFACTS, 98 (2009))

Complete Switch of Product Selectivity in Asymmetric Direct Aldol Reaction with Two Different Chiral Organocatalysts from a Common Chiral Source.

K. Nakayama, K. Maruoka, J. Am. Chem. Soc., 130, 17666 (2008). (Highlighted in SYNFACTS, 206 (2009))

Design of chiral bifunctional secondary amine catalysts for asymmetric enamine catalysis.

T. Kano, K. Maruoka, Chem. Commun.,5465 (2008).

Trans-Selective Asymmetric Aziridination of Diazoacetamides and
N
-Boc Imines Catalyzed by Axially Chiral Dicarboxylic Acid.

T. Hashimoto, N. Uchiyama, K. Maruoka, J. Am. Chem. Soc., 130, 14380 (2008). (Highlighted in SYNFACTS, 18 (2009))

Combinatorial design of simplified high-performance chiral phase-transfer catalysts for practical asymmetric synthesis of α-alkyl- and α,α-dialkyl-α-amino acids.

M. Kitamura, S. Shirakawa, Y. Arimura, X. Wang, K. Maruoka, Chem. Asian J., 3, 1702 (2008).

Facile Synthesis of Structurally Diverse 3,3'-Disubstituted 1,1'-Binaphthyl-2,2'-diamines in Optically Pure Forms.

T. Kano, Y. Tanaka, K. Osawa, T. Yurino, K. Maruoka, J. Org. Chem., 73, 7387 (2008).

Practical asymmetric synthesis of α-methylserine derivatives under mild phase-transfer conditions.

K. Nakayama, K. Maruoka, Tetrahedron Lett., 49, 5461 (2008).

Direct asymmetric aminoxylation reaction catalyzed by a binaphthyl-based chiral amino sulfonamide with high catalytic performance.

T. Kano, A. Yamamoto, K. Maruoka, Tetrahedron Lett., 49, 5369 (2008).

Complete switch of migratory aptitude in aluminum-catalyzed 1,2-rearrangement of differently α,α-disubstituted α-siloxy aldehydes.

K. Ohmatsu, T. Tanaka, T. Ooi, K. Maruoka, Angew. Chem., Int. Ed., 47, 5203 (2008). (Highlighted in SYNFACTS, 981 (2008))

6,6'-Substituent effect of BINOL in bis-titanium chiral Lewis acid catalyzed 1,3-dipolar cycloaddition of nitrones.

T. Hashimoto, M. Omote, K. Maruoka, Org. Biomol. Chem., 6, 2263 (2008).

Practical Aspects of Recent Asymmetric Phase-Transfer Catalysis.

K. Maruoka, Org. Process Res. Dev., 12, 679 (2008).

Asymmetric Imino Aza-enamine Reaction Catalyzed by Axially Chiral Dicarboxylic Acid: Use of Arylaldehyde N,N-Dialkylhydrazones as Acyl Anion Equivalent.

T. Hashimoto, M. Hirose, K. Maruoka, J. Am. Chem. Soc., 130, 7556 (2008). (Highlighted in SYNFACTS, 877 (2008))

Asymmetric 1,3-dipolar cycloadditions of N-benzyl and
N-diphenylmethyl nitrones and α,β-unsaturated aldehydes catalyzed by bis-titanium chiral Lewis acids.
T. Hashimoto, M. Omote, Y. Hato, T. Kano, K. Maruoka, Chem. Asian J., 3, 407 (2008).

Direct asymmetric aminoxylation reaction catalyzed by axially chiral amino acids.
T. Kano, A. Yamamoto, H. Mii, J. Takai, S. Shirakawa, K. Maruoka, Chem. Lett., 37, 250 (2008).

Direct Asymmetric Iodination of Aldehydes Using an Axially Chiral Bifunctional Amino Alcohol Catalyst.
T. Kano, M. Ueda, K. Maruoka, J. Am. Chem. Soc., 130, 3728 (2008). (Highlighted in SYNFACTS, 643 (2008))

Combinatorial approach for the design of new, simplified chiral phase-transfer catalysts with high catalytic performance for practical asymmetric synthesis of α-alkyl-α-amino acids.
M. Kitamura, Y. Arimura, S. Shirakawa, K. Maruoka, Tetrahedron Lett., 49, 2026 (2008).

Syntheses of manzacidins: a stage for the demonstration of synthetic methodologies.
T. Hashimoto, K. Maruoka, Org. Biomol. Chem., 6, 829 (2008).

Bronsted Acid-Catalyzed Insertion of Aryldiazoacetates to sp2 Carbon-CHO Bond: Facile Construction of Chiral All-Carbon Quaternary Center.
T. Hashimoto, Y. Naganawa, K. Maruoka, J. Am. Chem. Soc., 130, 2434 (2008).

anti-Selective direct asymmetric Mannich reactions catalyzed by chiral pyrrolidine-based amino sulfonamides.
T. Kano, Y. Hato, A. Yamamoto, K. Maruoka, Tetrahedron, 64, 1197 (2008).