Published Papers - OGAWA Satoshi

First Preparation of Dibenzo[bc,fg][1,4]dithiapentalene and Determination of the Structure by X-Ray Analysis

T. Kimura, Y. Ishikawa, S. Ogawa, T. Nishio, I. Iida, N. Furukawa

Tetrahedron Lett.   33 ( 42 ) 6355 - 6358   1992.10  [Refereed]

Academic Journal  Multiple authorship

Generation and Characterization of New Sulfenate Salts via Ipso-substitution of Azaheterocyclic Sulfoxides

N. Furukawa, Y. Konno, M. Tsuruoka, S. Ogawa

Heteroatom Chem.   3 ( 43957 ) 495 - 503   1992.10  [Refereed]

Academic Journal  Multiple authorship

First Preparation of a Sulfurane with Four Carbon-Sulfur Bonds: Synthesis and Molecular Structure of the Bis(2,2'-biphenylylene) Sulfurane

S. Ogawa, Y. Matsunaga, S. Sato, I. Iida, N. Furukawa

J. Chem. Soc., Chem. Commun.   ( 16 ) 1141 - 1142   1992.08  [Refereed]

Academic Journal  Multiple authorship

NMR Studies on the Ligand Exchange Reactions Between Diaryl Tellurides and Phenyllithium: Detection of Hypervalent Triaryl Tellurium Ate Complexes

S. Ogawa, Y. Masutomi, N. Furukawa, T. Erata

Heteroatom Chem.   3 ( 4 ) 423 - 429   1992.08  [Refereed]

Academic Journal  Multiple authorship

Preparation of Sterically Congested 1,9-Disubstituted Dibenzoselenophenes by Ligand Coupling Reactions and Formation of New Dithia and Diselena Dications on Chemical and Electrochemical Oxidations

N. Furukawa, Y. Ishikawa, T. Kimura, S. Ogawa

Chem. Lett.   ( 4 ) 675 - 678   1992.04  [Refereed]

Academic Journal  Multiple authorship

Dynamic NMR Studies on the Solution-state Structure and the Pseudorotation of Bis(2,2'-biphenylylene)selenurane and tellurane

S. Ogawa, S. Sato, T. Erata, N. Furukawa

Tetrahedron Lett.   33 ( 14 ) 1915 - 1918   1992.04  [Refereed]

Academic Journal  Multiple authorship

Generation of New Dithia Dications from Sterically Congested 1,9-Dithiodibenzothiophenes and Their Monooxides in Concentrated Sulfuric Acid

N. Furukawa, T. Kimura, Y. Horie, S. Ogawa, H. Fujihara

Tetrahedron Lett.   33 ( 11 ) 1489 - 1490   1992.03  [Refereed]

Academic Journal  Multiple authorship

Structures of Sterically Encumbered 1,9-Bis(arylthio)dibenzothiophenes and Detection of Their Dithia Dications in Concentrated Sulfuric Acid by 1H NMR

T. Kimura, Y. Horie, S. Ogawa, H. Fujihara, F. Iwasaki, N. Furukawa

Heterocycles   33 ( 1 ) 101 - 104   1992.01  [Refereed]

Academic Journal  Multiple authorship

Generation and Reactions of Hypervalent Organic Selenium and Tellurium Compounds Having Aryl Ligands

S. Ogawa, S. Sato, Y. Masutomi, N. Furukawa

Phosphorus, Sulfur, and Silicon   67 ( 43833 ) 99 - 102   1992.01  [Refereed]

Academic Journal  Multiple authorship

Tetraphenyl Sulfurane: First Detection as Intermediate in the Reactions of Triphenylsulfonium Salt and Diphenyl Sulfoxide with Phenyllithium by Low Temperature 1H and 13C NMR

S. Ogawa, Y. Matsunaga, S. Sato, T. Erata, N. Furukawa

Tetrahedron Lett.   33 ( 1 ) 93 - 96   1992.01  [Refereed]

Academic Journal  Multiple authorship

Extremely Facile Ligand Exchange and Disproportionation Reactions of Diaryl Sulfoxides, Selenoxides, and Triarylphosphine Oxides with Organolithium and Grignard Reagents

N. Furukawa, S. Ogawa, K. Matsumura, H. Fujihara

J. Org. Chem.   56 ( 22 ) 6341 - 6348   1991.11  [Refereed]

Academic Journal  Multiple authorship

Preparation of Optically Active Sulfoxides Bearing Heterocycles and Stereoselective Methylation Using Their alpha-Sulfinyl Carbanions

T. Sagae, S. Ogawa, N. Furukawa

Bull. Chem. Soc. Jpn.   64 ( 10 ) 3178 - 3181   1991.10  [Refereed]

Academic Journal  Multiple authorship

Simple Preparation of (2,2'-Biphenylylene)phenylphosphine Oxide and Role of Triphenylphosphine Oxide as a Mediator for Formation of Biaryl Derivatives

S. Ogawa, Y. Tajiri, N. Furukawa

Bull. Chem. Soc. Jpn.   64 ( 10 ) 3182 - 3184   1991.10  [Refereed]

Academic Journal  Multiple authorship

Regiospecific ortho Lithiation of o-Halophenyl p-Tolyl Sulfoxides and Synthesis of Meta-Substituted Optically Active Aryl Alcohols

S. Ogawa and N. Furukawa

J. Org. Chem.   56 ( 19 ) 5723 - 5726   1991.09  [Refereed]

Academic Journal  Multiple authorship

Reactions of Triaryl Selenonium Salts and Diaryl Selenoxides with Phenyllithium: First Detection of Tetraaryl Selenuranes [10-Se-4(C4)] by 77Se, 1H, and 13C NMR

S. Ogawa, S. Sato, T. Erata, N. Furukawa

Tetrahedron Lett.   32 ( 27 ) 3179 - 3182   1991.07  [Refereed]

Academic Journal  Multiple authorship

Role of Heterocycles on the Stereoselective Reactions of alpha-Sulfinyl Carbanions Using Optically Active 2-Pyridylmethyl p-Tolyl and 2-(N-Methylimidazolyl)- methyl p-Tolyl Sulfoxides with Aldehydes

N. Furukawa, T. Sagae, S. Ogawa

Heterocycles   32 ( 4 ) 679 - 684   1991.04  [Refereed]

Academic Journal  Multiple authorship

A Convenient Preparation of Sterically Crowded 1,9-Disubstituted Dibenzothiophenes and 3,3'-Disubstituted Diaryl Sulfides

N. Furukawa, T. Kimura, Y. Horie, S. Ogawa

Heterocycles   32 ( 4 ) 675 - 678   1991.04  [Refereed]

Academic Journal  Multiple authorship

Reactions of Sulfoxides Bearing ortho-Sulfur Functional Group and Thianthrene Monooxide with Grignard Reagents

N. Furukawa, S. Ogawa, K. Matsumura, T. Shibutani, H. Fujihara

Chem. Lett.   ( 6 ) 979 - 982   1990.06  [Refereed]

Academic Journal  Multiple authorship

Studies on the Stereoselective Methylation of alpha-Sulfinyl Carbanions Generated from Three Isomeric Pyridylmethyl p-Tolyl Sulfoxides and Benzyl 2-Pyridyl Sulfoxide

N. Furukawa, E. Hosono, H. Fujihara, S. Ogawa

Bull. Chem. Soc. Jpn.   63 ( 2 ) 461 - 465   1990.02  [Refereed]

Academic Journal  Multiple authorship

Generation of Sulfenate Salts via Ipso-substitution of Azaheterocyclic Sulfoxides. First Preparation and Characterization of Sodium 2-Pyridinesulfenate

N. Furukawa, Y. Konno, M. Tsuruoka, H. Fujihara, S. Ogawa

Chem. Lett.   ( 8 ) 1501 - 1504   1989.08  [Refereed]

Academic Journal  Multiple authorship