Publications

1995 | 1994 | 1993 | 1992 | 1991

1995

1. Regiospecific Coordination of tert-Butylfulleride Ion and 1,4-Dicyclopropyltropylium Ion. Synthesis of a Dialkyldihydrofullerene Having a Heterolytically Dissociative Carbon-Carbon s-Bond.
Kitagawa, T.; Tanaka, T.; Takata, Y.; Takeuchi, K.; Komatsu, K. J. Org. Chem. 1995, 60, 1490.

2. Novel Synthesis of Oxalate from Carbon Dioxide and Carbon Monoxide in the Presence of Caesium Carbonate.
Kudo, K.; Ikoma, F.; Mori, S.; Komatsu, K.; Sugita, N. J. Chem. Soc., Chem. Commun. 1995, 633.

3. Carbonylation of Trichloroacetaldehyde in Concentrated Sulfuric Acid: Stereocontrolled Synthesis of cis- and trans-2,5-bis(trichloromethyl)-1,3-dioxolan-4-one.
Mori, S.; Emura, K.; Kano, M.; Kudo, K.; Komatsu, K.; Sugita, N. Tetrahedron, 1995, 51, 8977.

4. 1,1-Dimethylsila-, -germa-, and -stannacycloheptatrienes Fully Annelated with Bicyclo[2.2.2]octene: Syntheses, Structures, and Properties.
Nishinaga, T.; Komatsu, K.; Sugita, N. J. Org. Chem. 1995, 60, 1309.

5. Non-Aqueous Capillary Electrophoresis as a New Method for the Separation of Fullerenes.
Wan, T. S. M.; Leung, G. N. W.; Tso, T. S. C.; Komatsu, K.; Murata, Y. Fullerens: Recent Advances in the Chemistry and Physics of Fullerenes and Related Materials, R. S. Ruoff and K. M. Kadish Eds; Electrochemical Society, Pennington, N. J. 1995, 1474.

6. Chain Carbonylation of Methoxymethyl Chloride by Using AgSbF6 Catalyst under High Pressure of CO.
Ohga, Y.; Netsu, F.; Mori, S.; Kudo, K.; Komatsu, K.; Sugita, N. Tetrahedron 1995, 51, 11119.

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1994

1. Organochemical Application of Fullerene.
Komatsu, K. Nikkei Science 1994, 24, 6.

2. Ene Reaction as a New Method for Functionalization of Fullerene C60.
Komatsu, K.; Murata, Y.; Sugita, N.; Wan, T. S. M. Chem. Lett. 1994, 635.

3. Synthesis and Properties of the First Acetylene Derivatives of C60.
Komatsu, K.; Murata, Y.; Takimoto, N.; Mori, S.; Sugita, N.; Wan, T. S. M. J. Org. Chem. 1994, 59, 6101.

4. Syntheses, Properties, and Redox Behaviors of 7-Phenyl-1,2:3,4:5,6- tris(bicyclo[2.2.2]octeno)tropylium Ion and the Dications Composed of Two 1,2:3,4:5,6-Tris(bicyclo[2.2.2]octeno)tropylium Units Connected by para- and meta- Phenylene Spacer.
Komatsu, K.; Nishinaga, T.; Maekawa, N.; Kagayama, A.; Takeuchi, K. J. Org. Chem. 1994, 59, 7316.

5. A Polycyclic Pentamer of Bicyclo[2.2.2]octene. A Hydrocarbon Molecule with a Long C-C Single Bond Connecting Two Cofacially Disposed Cyclopentadiene Rings.
Komatsu, K.; Nishinaga, T.; Takeuchi, K.; Lindner, H. J.; Richter, J. J. Org. Chem. 1994, 59, 7322.

6. Tetrakis(bicyclo[2.2.2]octeno)cyclooctatetraene Dication: A Stable COT Dication with a Tub Structure.
Nishinaga, T.; Komatsu, K.; Sugita, N. J. Chem. Soc., Chem. Commun. 1994, 2319.

7. A Novel Carbodication Composed of Two Tris(bicyclo[2.2.2]octeno)tropylium Units Connected by a Triple Bond: Synthesis, Structure, and Properties.
Kagayama, A.; Komatsu, K.; Nishinaga, T.; Takeuchi, K.; Kabuto, C. J. Org. Chem. 1994, 59, 4999.

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1993

1. Stabilization of the 1-Naphthyltropylium Ion by [2.2]Paracyclophane Fixed at the Face- to-Face Position to the Tropylium Ring.
Komatsu, K.; Tsuji, R.; Inoue, Y.; Takeuchi, K. Tetrahedron Lett. 1993, 34, 99.

2. The Chemistry of Cyclic p-Systems Surrounded by Rigid s-Frameworks : Blending a s-Flavor into the Aromatics.
Komatsu, K. Pure and Appl. Chem. 1993, 65, 73.

3. Syntheses and Properties of a Butatriene and a [3]Radialene Having 2-Adamantylidene Units at Terminal Carbons.
Komatsu, K.; Kamo, H.; Tsuji, R.; Takeuchi, K. J. Org. Chem. 1993, 58, 3219.

4. Synthesis of Tris[5-(3,5-di-t-butyl-4-hydroxyphenyl)-2-thienyl]cyclopropenylium Ion and Its Transformation into the Fully p-Conjugated Dianion.
Komatsu, K.; Tsuji, R.; Murata, Y.; Takeuchi, K. Chem. Lett. 1993, 911.

5. Chemical Transformation of C60. Addition of Carbenes and Cycloaddition of Anthracene.
Komatsu, K.; Murata, Y.; Miyabo, A.; Takeuchi, K.; Wan, T. S. M. Fullerene Science and Technology 1993, 1,231.

6. Reaction of C60 with Chlorophenyldiazirine. Spectral and Electronic Properties of the C60-Chlorophenylcarbene 1:1 Adduct.
Komatsu, K.; Kagayama, A.; Murata, Y.; Sugita, N.; Kobayashi, K.; Nagase, S.; Wan, T. S. M. Chem. Lett. 1993, 2163.

7. Use of Naphthalene as a Solvent for Selective Formation of the 1:1 Diels-Alder Adduct of C60 with Anthracene.
Komatsu, K.; Murata, Y.; Sugita, N.; Takeuchi, K.; Wan, T. S. M. Tetrahedron Lett. 1993, 34, 8473.

8. Structural Study on 1-Phenyl- and 1-(2-Naphthyl)-8-tropylionaphthalene Hexafluoroantimonates.
Tsuji, R.; Komatsu, K.; Takeuchi, K.; Shiro, M.; Cohen, S.; Rabinovitz, M. J. Phys. Org. Chem. 1993, 6, 435.

9. Precise Control of the Formation of a Covalent and an Ionic Bond in Carbocation- Carbanion Combination Reactions.
Takeuchi, K.; Kitagawa, T.; Miyabo, A.; Hori, H.; Komatsu, K. J. Org. Chem. 1993, 58, 5802.

10. Solvolysis of [3-13C]-4-Homoadamantyl Tosylate. Limited Degeneracy of 4- Homoadamantyl Cation via Multiple Wagner-Meerwein Rearrangement and Vicinal Hydride Shifts under Solvolytic Conditions.
Kitagawa, K.; Okazaki, T.; Komatsu, K.; Takeuchi, K. J. Org. Chem. 1993, 58, 7891.

11. First X-ray Structure of a Cyclooctatetraene Cation Radical: The Hexachloroantimonate of the Tetrakis(bicyclo[2.2.2]octeno)cyclooctatetraene Cation Radical.
Nishinaga, T.; Komatsu, K.; Sugita, N.; Lindner, H. J.; Richter, J. J. Am. Chem. Soc. 1993, 115, 11642.

12. Palladium(II)-Catalyzed Cyclocarbonylation of Enol Ester of Acetone. A Novel Synthesis of 1,3-Dioxolan-4-one.
Kudo, K.; Mitsuhashi, K.; Mori, S.; Komatsu, K.; Sugita, N. Chem. Lett., 1993, 1615.

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1992

1. Synthesis and Properties of Hydrocarbon Salts and Ionically Dissociative Hydrocarbons.
Kitagawa, T.; Takeuchi, K.; Komatsu, K.; Kinoshita, T. J. Syn. Org. Chem., Jpn. 1992, 50, 746.

2. Synthesis and Properties of Hydrocarbon Salts and Ionically Dissociative Hydrocarbons.
T. Kitagawa, K. Takeuchi, K. Komatsu, and T. Kinoshita, J. Syn. Org. Chem., Jpn. 1992, 50, 746.

3. 1-Naphthyltropylium Ions Having Condensed Aromatic Rings at the 8-Position: Dependence of the Intramolecular Charge-Transfer Interaction upon Geometry of the Donor.
Tsuji, R.; Komatsu, K.; Inoue, Y.; Takeuchi, K. J. Org. Chem. 1992, 57, 636.

4. Small Difference in Cation Stability in Controlling the Formation of Hydrocarbon Salt or Covalent Hydrocarbon.
Miyabo, A.; Takeuchi, K.; Komatsu, K.; Kitagawa, T. Chem. Lett. 1992, 683.

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1991

1. Generation and Oligomerization of Bicyclo[2.2.2]octyne, and Properties of Tris(bicyclo[2.2.2]octeno)benzene Obtained from the Linear Trimer.
Komatsu, K. Nikkei Science 1994, 24, 6.

2. 4-Homoadamantyne: Generation, Chemical Trapping and Structure of its Pt(0) Complex.
Komatsu, K.; Kamo, H.; Tsuji, R.; Masuda, H.; Takeuchi, K. J. Chem. Soc., Chem. Commun. 1991, 71.

3. Formation, Properties, and Reactions of the 1,2:3,4:5,6- Tris(bicyclo[2.2.2]octeno)tropylium Ion.
Komatsu, K.; Akamatsu, H.; Aonuma, S.; Jinbu, Y.; Maekawa, N.; Takeuchi, K. Tetrahedron 1991, 47, 6951.

4. Synthesis, Structure, and Reduction of the Cyclooctatetraene Tetra-Annelated with Bicyclo[2.2.2]octene Frameworks.
Komatsu, K.; Nishinaga, T.; Aonuma, S.; Hirosawa, C.; Takeuchi, K.; Lindner, H. J.; Richter, J. Tetrahedron Lett. 1991, 32, 6767.

5. Synthesis of Ionic Giant Aromatic Hydrocarbons.
Takeuchi, K.; Komatsu, K.; Kinoshita, T.; Kitagawa, T.; Miyabo, A. Proceedings, Interpec 91 (Pergamon press) 1991, 809.

6. Enhanced Polarization of Heptafulvene and Tropone by Annelation with Three Bicyclo[2.2.2]-octene Frameworks.
Aonuma, S.; Komatsu, K.; Takeuchi, K. Chem. Lett. 1991, 767.

7. Stereomutation of 7-Tropylionorbornane, 2-Tropyliobicyclo[2.2.2]octane, and 2- Tropylioadamantane: Evidence for the Intermediacy of Heptafulvenes.
Ikai, K.; Takeuchi, K.; Kinoshita, T.; Haga, K.; Komatsu, K.; Okamoto, K. J. Org. Chem. 1991, 56, 1052.

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