List of Publications

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    2023

  1. Evaluation of oxygen-containing pentadentate ligands with pyridine/quinoline/ isoquinoline binding sites via structural and electrochemical properties of mononuclear copper(II) complexes
    Yuji Mikata, Mizuho Uchida, Hinata Koike, Sunao Shoji, Yutaka Ohsedo, Yasushi Kawai, and Takashi Matsuo
    Dalton. Transactions, 52, 17375-17388 (2023).

    2021

  2. Brønsted acid-induced transannulation of the phytochemical zerumbone
    Gengo Kashiwazaki, Ryo Watanabe, Terutaka Tsuzuki, Chieko Yamamoto, Atsuya Nishikawa, Satoru Otomo, Tomomi Yoshikawa, Yuto Kitamura, Miyuki Fukushima, Yoshimi Utaka, Yasushi Kawai, Noriko Tsuchida, and Takashi Kitayama
    Org. Biomol. Chem, 19, 10444-10454 (2021).

    2020

  3. Remarkable Potential of Zerumbone to Generate a Library with Six Natural Product-like Skeletons by Natural Material-Related Diversity-Oriented Synthesis
    Yoshimi Utaka, Gengo Kashiwazaki, Noriko Tsuchida, Miyuki Fukushima, Issei Takahashi, Yasushi Kawai, and Takashi Kitayama
    J. Org. Chem., 85, 8371-8386 (2020).

    2015

  4. Auto-oxidation products of epigallocatechin gallate activate TRPA1 and TRPV1 in sensory neurons
    Mako Kurogi, Yasushi Kawai, Katsuhiro Nagatomo, Michihiro Tateyama, Yoshihiro Kubo, and Osamu Saitoh
    Chemical Senses, 40, 27-46 (2015).

    2013

  5. Novel synthesis of zerumbone-pendant derivatives and their biological activity
    Takashi Kitayama, Maki Nakahira, Kae Yamazaki, Hiromi Inoue, Chika Imada, Yuji Yonekura, Masataka Awata, Hikaru Takaya, Yasushi Kawai, Kohta Ohnishi, and Akira Murakami
    Tetrahedron, 69, 10152-10160 (2013).

  6. Dorsamin-A’s, Glycerolipids Carrying a Dehydrophenylalanine Ester Moiety from the Seed-Eating Larvae of the Bruchid Beetle Bruchidius dorsalis
    Yayoi Hirose, Emi Ohta, Yasushi Kawai, and Shinji Ohta
    Journal of Natural Products, 76(4), 554-558 (2013).

    2012

  7. Preparation and structure determination of 28-membered and 42-membered cyclic molecules linked with two or three disulfide bonds
    Takeshi Kimura, Hayato Ichikawa, Toshiyuki Fujio, Yasushi Kawai, and Satoshi Ogawa
    Journal of Sulfur Chemistry, 33 (1), 17-25 (2012).

    2010

  8. Synthesis of optically active tetrahydrozerumbone
    Takashi Kitayama, Sayo Ohta, Yasushi Kawai, Tomoyasu Nakayama, and Masataka Awata
    Tetrahedron: Asymmetry, 21(1), 11-15 (2010).

  9. Saikachinoside A, a novel N3-prenylated isoguanine glucoside from seeds of Gleditsia japonica
    Tadashi Kajimoto, Nobuwa Aoki, Emi Ohta, Yasushi Kawai, and Shinji Ohta
    Tetrahedron Lett.,, 51(16), 2099-2101 (2010).

    2009

  10. Synthesis, structure, and electrochemical properties of [2.2]paracyclophane[4,5-d]trithiole
    Satoshi Ogawa, Shiduko Nakajo, Hiroki Muraoka, Yasushi Kawai, and Ryu Sato
    Journal of Sulfur Chemistry, 30 (3&4), 293-300 (2009).

    2008

  11. Asymmetric synthesis of versatile monoepoxyzerumbone and monoepoxyzerumbol
    Takashi Kitayama, Masataka Awata, Yasushi Kawai, Azusa Tsuji, and Yasuhiko Yoshida
    Tetrahedron: Asymmetry, 19(20), 2367-2373 (2008).

  12. Taxodal, a Novel Irregular Abietane-type Diterpene from the Cones of Taxodium distichum
    Norihisa Kusumoto, Tetsuya Murayama, Yasushi Kawai, Tatsuya Ashitani, Koichi Ogiyama, Koetsu Takahashi
    Tetrahedron Lett., 49 (33), 4845-4847 (2008).

  13. Generation and Detection of the Radical Cation and Dication Derived from 4,9-Diethyl[1,4]dihydrodithiino[5,6-f]benzotrithiole and Its 5-Oxide
    Takeshi Kimura, Shinya Ito, Takashi Sasaki, Satoshi Ogawa, Ryu Sato, and Yasushi Kawai
    Heteroatom Chem., 19 (4), 394-401 (2008).

    2007

  14. Asymmetric Synthesis of Triepoxyzerumbol
    Takashi Kitayama, Yasuhiko Yoshida, Jun-ichi Furukawa, Yasushi Kawai, and Seiji Sawada
    Tetrahedron: Asymmetry, 18 (14), 1676-1681 (2007).

    2006

  15. Elucidation of the Sharpless Epoxidation of Zerumbol
    Takashi Kitayama, Atsushi Furuya, Chiyuki Moriyama, Tomomi Masuda, Sachiko Fushimi, Yuji Yonekura, Haruko Kubo, Yasushi Kawai, and Seiji Sawada
    Tetrahedron: Asymmetry, 17 (16), 2311-2316 (2006).

  16. Remarkable Synthesis and Structure of Allene Type Zerumbone
    Takashi Kitayama, Tomomi Masuda, Kumi Sakai, Chika Imada, Yuji Yonekura, and Yasushi Kawai
    Tetrahedron, 62 (47), 10859-10864 (2006).

  17. Efficient Synthesis, Structure, and Redox Reactions of 1,4,6,9-Tetraisopropylchalcogenanthrenes
    Tatsuya Yamamoto, Satoshi Ogawa, Mutsumi Sugawara, Yasushi Kawai, and Ryu Sato
    Bull. Chem. Soc. Jpn., 79 (3), 460-467 (2006).

    2005

  18. Synthesis of New Pentathiepin and Dithiatriselenepin Fused to Ferrocene via Dithiametallacycles
    Hiroki Muraoka, Satoshi Ogawa, Noriyoshi Nagahaora, Yasushi Kawai, and Ryu Sato
    Bull. Chem. Soc. Jpn., 78 (11), 2026-2036 (2005).

  19. Synthesis, Structure, and Electrochemical Properties of Biferrocenes Annulated with 1,2-Dithiin and 1,2-Ditiin 1,1-dioxides
    Noriyoshi Nagahaora, Satoshi Ogawa, Yasushi Kawai, and Ryu Sato
    Tetrahedron Lett., 46 (24), 4157-4160 (2005).

  20. Chlorodinitrophenylhydrazine, a Useful Crystalline Agent for Absolute Configuration Determination of Various Chiral Ketones
    Yasushi Kawai, Motoko Hayashi, and Norihiro Tokitoh
    Tetrahedron,61 (21), 5049-5055 (2005).

  21. Generation and Structure Determination of 5,6-Bis(methylthio)-4,7-diethylbenzo[1,2,3]trithiole Dication MBT(2+)
    Takeshi Kimura, Kiyohito Ito, Satoshi Ogawa, Ryu Sato, and Yasushi Kawai
    Heteroatom Chem.,16 (2), 111-120 (2005).

    2004

  22. Preparation of Phthalocyanines with Eight Benzylchalcogeno Substituents from 5,6-Dibromo-4,7-diethylbenzo[1,2,3]trichalcogenoles
    Takeshi Kimura, Akinori Yomogita, Tomoya Matsutani, Takahiro Suzuki, Ichiro Tanaka, Yasushi Kawai, Yutaka Takaguchi, Takatsugu Wakahara, and Takeshi Akasaka
    J. Org. Chem., 69 (14), 4716-4723 (2004). =====>>Full Text PDF

    2003

  23. The Chemistry of Zerumbone. Part 5: Structure Transformation of the Dimethylamine Derivative
    Takashi Kitayama, Taketo Yokoi, Yasushi Kawai, Richard K. Hill, Masanori Morita, Tadashi Okamoto, Yukio Yamamoto, Valery V. Forkin, K. Barry Sharpless, and Seiji Sawada
    Teterahedron, 59 (26), 4857-4866 (2003).
  24. Design of Reversible Low Redox Potential Systems Using Five-Membered Trichalcogenaheterocycles Containing Heavy Chalcogens; Sulfur, Selenium, and Tellurium
    Noriyoshi Nagahora, Satoshi Ogawa, Satoko Yoshimura, Yasushi Kawai, and Ryu Sato
    Bull. Chem. Soc. Jpn., 76 (5), 1043-1054 (2003). =====>>Full Text PDF
  25. Preparation, Structure, and Optical Properties of Chiral Sulfoxides and Disulfoxide Bearing a Trithiole Ring
    Takeshi Kimura, Masayuki Hanzawa, Satoshi Ogawa, Ryu Sato, Takayoshi Fujii, and Yasushi Kawai
    Hetroatom Chem., 14 (1), 88-94 (2003). =====>>Full Text PDF

    2002

  26. Preparation and Conformational Analysis of 6,10-Diethyl[1,2,3]trithiolo[4,5-h] benzopentathiepin Monoxides; Isolation and Optical Properties of Chiral Benzopentathiepin Derivatives
    Takeshi Kimura, Masayuki Hanzawa, Kazuhiko Tsujimura, Tatsuya Takahashi, Yasushi Kawai, Ernst Horn, Takayoshi Fujii, Satoshi Ogawa, and Ryu Sato
    Bull. Chem. Soc. Jpn., 75 (4), 817-824 (2002). =====>>Full Text PDF
  27. 6-Chloro-2,4-dinitrophenylhdrazine as a useful crystalline agent for the determination of absolute configuration
    Yasushi Kawai, Motoko Hayashi, and Norihiro Tokitoh
    Tetrahedron Lett., 43 (3), 465-467 (2002)
  28. Generation and Detection of a Dithia Dication Derived from 4,9-Diethyl[1,4]dihydrodithiino[5,6-f]benzotrithiole 5-Oxide and Its Disproportionation
    Takeshi Kimura, Shinya Ito, Takashi Sasaki, Shigeya Niizuma, Satoshi Ogawa, Ryu Sato, and Yasushi Kawai
    Chem. Lett., (5), 540-541 (2002). =====>>Full Text PDF
  29. A diterpene quinone from the bark of Cryptomeria japonica
    Hisayoshi Kofujita, Michikazu Ota, Kouetsu Takahashi, Yasushi Kawai, and Yoshiki Hayashi
    Phytochemistry, 61 (8), 895-898 (2002).
  30. Preparation of Functionalized Thianthrenes and Their Higher Related Compounds by Photolysis of Benzotrithiole Derivatives
    Takeshi Kimura, Susumu Mizusawa, Akira Yoneshima, Shinya Ito, Kazuhiko Tsujimura, Tetsuro Yamashita, Yasushi Kawai, Satoshi Ogawa, and Ryu Sato
    Bull. Chem. Soc. Jpn., 75 (12), 2647-2653 (2002). =====>>Full Text PDF
  31. First synthesis and structure of sulfur-containing heterocycles fused to ferrocene
    Noriyoshi Nagahora, Satoshi Ogawa, Yasushi Kawai, and Sato Ryu
    Tetrahedron Lett., 43 (33), 5825-5828 (2002).
  32. Novel multi-chalcogen ring systems with three different chalcogen atoms: synthesis, structure and redox property of five-membered trichalcogenaheterocycles
    Satoshi Ogawa, Satoko Yoshimura, Noriyoshi Nagahora, Yasushi Kawai, Yuji Mikata, and Ryu Sato
    Chem. Commun., 1918-1919 (2002).
  33. Propanone 2-chloro-4,6-dinitrophenylhydrazone
    Yasushi Kawai, Motoko Hayashi, and Norihiro Tokitoh
    Acta Crystallographyca E, 58 (10), o1098-o1099 (2002).

    2001

  34. Oxidation of 1,4-Dihidro-1,4-diphenyl-2,3-benzodithiin
    Ryu Sato, Eiji Takeda, Shiduko Nakajo, Takeshi Kimura, Satoshi Ogawa, and Yasushi Kawai
    Heteroatom Chem., 12 (4), 209-216 (2001). =====>>Full Text PDF
  35. Asymmetric Reduction of Nitroalkenes with Baker's Yeast
    Yasushi Kawai, Yoshikazu Inaba, and Norihiro Tokitoh
    Tetrahedron: Asymmetry, 12 (2), 309-318 (2001).
  36. Asymmetric synthesis of a nitroalkane by the use of novel nitroalkene reductases from baker's yeast
    Yasushi Kawai, Yoshikazu Inaba, Motoko Hayashi, and Norihiro Tokitoh
    Tetrahedron Lett., 42, (19), 3367-3368 (2001).
  37. The first synthesis and characterization of bisbenzotrithiole containing two benzotrithioles linked by an alkanedioxy spacer
    Ryu Sato, Yoshiyuki Utsumi, Shiduko Nakajo, Satoshi Ogawa, and Yasushi Kawai
    Heterocycles, 55 (5), 851-854 (2001).
  38. Chemistry of Zerumbone. 2. Regulation of Ring Bond Cleavage and Unique Antibacterial Activities of Zerumbone Derivatives
    Takashi Kitayama, Kaneyoshi Yamamoto, Ryutaro Utsumi, Masahiro Takatani, Richard K. Hill, Yasushi Kawai, Seiji Sawada, and Tadashi Okamoto
    Biosci. Biotech. Biochem., 65 (10), 2193-2199 (2001).
  39. The chemistry of zerumbone III. Stereospecific creation of five stereogenic centers by double Sharpless oxidation
    Takashi Kitayama, Tomomi Masuda, Yasushi Kawai, Richard K. Hill, Masahiro Takatani, Seiji Sawada, and Tadashi Okamoto
    Tetrahedron: Asymmetry, 12 (20), 2805-2810 (2001).
  40. Asymmetric synthesis of alpha-chiral ketones by the reduction of enones with baker's yeast
    Yasushi Kawai, Motoko Hayashi, and Norihiro Tokitoh
    Tetrahedron: Asymmetry, 12 (21), 3007-3013 (2001).

    2000

  41. Kinetic Study on Conformational Effect in Hydrolysis of p-Nitroanilides Catalyzed by alpha-Chymotrypsin
    Yasushi Kawai, Takashi Matsuo, and Atsuyoshi Ohno
    J. Chem. Soc., Perkin Trans. 2, (4), 887-891 (2000).
  42. Photolytic preparation, structure, and electrochemical properties of thianthrene derivatives bearing trithiole and dithian rings
    Takeshi Kimura, Kazuhiko Tsujimura, Susumu Mizusawa, Shinya Ito, Yasushi Kawai, Satoshi Ogawa, Ryu Sato
    Tetrahedron Lett., 41 (11), 1801-1805 (2000).
  43. Synthesis, structure, and one-electron redox reactions of 4,7-disubstituted benzotrichalcogenoles containing sulfur and/or selenium atoms
    Satoshi Ogawa, Tadahito Ohmiya, Takamasa Kikuchi, Atsuko Kawaguchi, Satoshi Saito, Akihiko Sai, Naomi Ohyama, Yasushi Kawai, Shigeya Niizuma, Shiduko Nakajo, Takeshi Kimura, and Ryu Sato
    J. Organomet. Chem., 611 (1-2), 136-145 (2000).

    1999

  44. Reduction of beta-Keto Esters with a Reductase: Construction of Plural Stereocenters Remote from the Reaction Center
    Yasushi Kawai, Kouichi Hida, and Atsuyoshi Ohno,
    Bioorganic Chemistry, 27 (1), 3-19 (1999).
  45. Reactivities of Stable Rotamers. XLI. Reactions of 1-(9-Fluorenyl)-2-(1-methylethenyl)naphthalene Rotamers with Chalcogenyl Halides and Observation of Coloration During the Reaction of Methanesulfenyl Chloride and the ap-Rotamer
    Michinori Oki, Takanori Hirose, Yasukazu Kataoka, Taisuke Ogata, Shinji Toyota, Takashi Matsuo, Yasushi Kawai, and Atsuyoshi Ohno
    Bull. Chem. Soc. Jpn., 72 (1), 63-72 (1999).
  46. Chemistry of Zerumbone I. Simple Isolation, Conjugate Addition Reactions, and a Unique Ring Contracting Transannular Reaction of Its Dibromide
    Takashi Kitayama, Tadashi Okamoto, Richard K. Hill, Yasushi Kawai, Sho Takahashi, Shigemoto Yonemori, Yukio Yamamoto, Kouichi Ohe, Sakae Uemura, and Seiji Sawada
    J. Org. Chem., 64 (8), 2667-2672 (1999). =====>>Full Text PDF
  47. Asymmetric Reduction of alpha-Keto Esters and alpha-Diketones with a Bakers' Yeast Keto Ester Reductase
    Yasushi Kawai, Kouichi Hida, Munekazu Tsujimoto, Shin-ichi Kondo, Kazutada Kitano, Kaoru Nakamura, and Atsuyoshi Ohno
    Bull. Chem. Soc. Jpn., 72 (1), 99-102 (1999).
  48. Synthesis, Structure, and Redox Reactions of New Crowded Benzodithiolium Salt: First Isolation and Characterization of Stable Dithiolyl Radical with 7-pai Electron Framework
    Satoshi Ogawa, Mieko Kikuchi, Yasushi Kawai, Shigeya Niizuma and Ryu Sato
    Chem. Commun., (18), 1891-1892 (1999).
  49. First Preparation and Structural Determination of Optically Pure Cyclic Polysulfides, 6,10-Diethyl Trithiolo[h]benzopentathiepin Monooxides
    Takeshi Kimura, Yasushi Kawai, Satoshi Ogawa, and Ryu Sato
    Chem. Lett., (12), 1305-1306 (1999).
  50. Novel Photochemical Ring Contraction of 1,4,7,10-Tetraisopropyldibenzo[c,g][1,2,5,6] tetrachalcogenocins: Efficient Synthesis, Structure, and Redox Reactions of 1,4,6,9 Tetraisopropylchalcogenanthrenes
    Satoshi Ogawa, Mutsumi Sugawara, Yasushi Kawai, Shigeya Niizuma, Takeshi Kimura, and Ryu Sato
    Tetrahedron Lett., 40 (51), 9101-9106 (1999).
  51. Synthesis and structure of thianthrene derivatives bearing cyclic polysulfide rings
    Takeshi Kimura, Kazuhiko Tsujimura, Susumu Mizusawa, Yasushi Kawai, Satoshi Ogawa, and Ryu Sato
    Phosphorus, Sulfur Silicon Relat. Elem., 153 & 154, 369-370 (1999).

    1998

  52. The First Determination of Absolute Configuration of Atropisomeric Flavin Derivative
    Yasushi Kawai, Jun Kunitomo, and Atsuyoshi Ohno,
    Acta Crystallographyca C, C-54 (1), 77-79 (1998).
  53. Stereochemical Control in Microbial Reduction. 30. Reduction of Alkyl 2-Oxo-4-phenylbutylate as Precursors of Angiotensin Converting Enzyme (ACE) Inhibitors
    Duc Hai Dao, Yasushi Kawai, Kouichi Hida, Sander Hornes, Kaoru Nakamura, Atsuyoshi Ohno, Mutsuo Okamura, and Takeshi Akasaka
    Bull. Chem. Soc. Jpn., 71 (2), 425-432 (1998).
  54. NAD(P)+-NAD(P)H Models. 88. Stereoselection without Steric Effect but Controlled by Electronic Effect of a Carbonyl Group: Syn/Anti Reactivity Ratio, Kinetic Isotope Effect, and an Electron-Transfer Complex as a Reaction Intermediate
    Atsuyoshi Ohno, Yoshiteru Ishikawa, Norimasa Yamazaki, Mutsuo Okamura, and Yasushi Kawai
    J. Am. Chem. Soc., 120 (6), 1186-1192 (1998). =====>>Full Text PDF
  55. Conformational Effect (Induced-Fit) on Catalytic Activity of alpha-Chymotrypsin
    Yasushi Kawai, Takashi Matsuo, and Atsuyoshi Ohno
    Bull. Chem. Soc. Jpn., 71 (9), 2187-2196 (1998).
  56. Asymmetric Reduction of alpha,beta-Unsaturated Ketones with a Carbon-Carbon Double-Bond Reductase from Baker's Yeast
    Yasushi Kawai, Motoko Hayashi, Yoshikazu Inaba, Kentarou Saitou, and Atsuyoshi Ohno
    Tetrahedron Lett., 39 (29), 5225-5228 (1998).
  57. Stereochemical Control in Microbial Reduction. 31. Reduction of Alkyl 2-Oxo-4-arylbutyrates by Bakers' Yeast under Selected Reaction Conditions
    Duc Hai Dao, Mutsuo Okamura, Takeshi Akasaka, Yasushi Kawai, Kouichi Hida, Atsuyoshi Ohno
    Tetrahedron: Asymmetry, 9 (15), 2725-2737 (1998).
  58. Asymmetric Synthesis of beta-Hydroxy Esters Having Three Consecutive Chiral Centers with a Reductase from Bakers' Yeast
    Yasushi Kawai, Kouichi Hida, Duc Hai Dao, and Atsuyoshi Ohno
    Tetrahedron Lett., 39 (50), 9219-9222 (1998).

    1997

  59. Synthesis, Structure, and One-electron Redox Reactions of Novel Benzodithiolium Salts.
    Satoshi Ogawa, Mieko Kikuchi, Yasushi Kawai, and Ryu Sato
    Phosphorus, Sulfur, and Silicon, 120 & 121, 433-434 (1997).
  60. Stereospecific Redox Reaction Directed by a Sulfinyl Group
    Norimasa Yamazaki, Mutsuo Okamura, Yasushi Kawai, Yuji Mikata, and Atsuyoshi Ohno
    Phosphorus, Sulfur, and Silicon, 120 & 121, 445-446 (1997).
  61. Amino Acid Sequence and Characterization of Aldo-keto Reductase from Bakers' Yeast
    Kaoru Nakamura, Shin-ichi Kondo, Yasushi Kawai, Nobuyoshi Nakajima, and Atsuyoshi Ohno,
    Biosci. Biotech. Biochem., 61 (2), 375-377 (1997).
  62. A Novel Function of an Atropisomeric Flavin Model as a Host Compound
    Yasushi Kawai, Jun Kunitomo, and Atsuyoshi Ohno,
    Acta Crystallographyca C, C-53 (4), 513-514 (1997).
  63. Physical Properties of Atropisomeric 5-Deazaflavin Derivatives
    Atsuyoshi Ohno, Jun Kunitomo, and Yasushi Kawai
    Tetrahedron, 53 (13), 4601-4610 (1997).
  64. Preparation and Conformational Analysis of 6,10-Disubstituted [1,2,3]Trithiolo[h]benzopentathiepin Monooxides
    Takeshi Kimura, Masayuki Hanzawa, Ernst Horn, Yasushi Kawai, Satoshi Ogawa, and Ryu Sato
    Tetrahedron Lett., 38 (9), 1607-1610 (1997).
  65. Stereochemical Control in Microbial Reduction. XXIX. Mechanism of Stereochemical Control in the Diastereoselective Reduction with Geotrichum candidum
    Yasushi Kawai, Kousuke Takanobe, and Atsuyoshi Ohno,
    Bull. Chem. Soc. Jpn., 70 (7), 1683-1686 (1997).
  66. Synthesis, Structure and Properties of [7]Heterohelicenes Possessing Phenolic Hydroxy Functions
    Kazuhiko Tanaka, Takuji Kume, Tadashi Takimoto, Yoshinori Kitahara, Hitomi Suzuki, Hideji Osuga, and Yasushi Kawai
    Chem. Lett., (6), 501-502 (1997).

    1996

  67. Enantio- and Regioselective Reduction of alpha-Diketones by Baker's Yeast
    Kaoru Nakamura, Shin-ichi Kondo, Yasushi Kawai, Kouichi Hida, Kazutada Kitano, and Atsuyoshi Ohno,
    Tetrahedron :Asymmetry, 7 (2), 409-412 (1996).
  68. NAD(P)+-NAD(P)H Models. 86. Nonsteric Stereochemistry in Hydride-Transfer to Sulfinylpyridinium Ion
    Atsuyoshi Ohno, Norimasa Yamazaki, Mutsuo Okamura, Yasushi Kawai, Akihiro Tsutsumi, Yuji Mikata, and Masayuki Fujii
    Bull. Chem. Soc. Jpn., 69 (4), 1093-1098 (1996).
  69. Stereochemical Control in Microbial Reduction. XXVIII. Asymmetric Reduction of alpha,beta-Unsaturated Ketones with Bakers' Yeast
    Yasushi Kawai, Kentarou Saitou, Kouichi Hida, Duc Hai Dao, and Atsuyoshi Ohno
    Bull. Chem. Soc. Jpn., 69 (9), 2633-2638 (1996).
  70. Synthesis and Crystal Structure of Chiral Bifunctional Helicenes with pai-Deficient Pyridine and pai-Excessive Thiophene Units
    Kazuhiko Tanaka, Yoshinori Kitahara, Hitomi Suzuki, Hideji Osuga, and Yasushi Kawai
    Tetrahedron Lett., 37 (33), 5295-5298 (1996).
  71. Molecular Structure Determination and Studies on Chemical and Electrochemical Redox Reactions of a Cyclic Triselenide Compound, 4,7-Dimethoxybenzotriselenole
    Satoshi Ogawa, Tadahito Ohmiya, Takamasa Kikuchi, Yasushi Kawai, Shigeya Niizuma, and Ryu Sato
    Heterocycles, 43 (9), 1843-1846 (1996).
  72. Synthesis and Unique Packing Structure by X-Ray Analysis of New Types of Stable Trithioles Bound to Fused Aromatic Systems
    Satoshi Ogawa, Susumu Nobuta, Ryoichi Nakayama, Yasushi Kawai, Shigeya Niizuma, Ryu Sato
    Chem Lett., (9), 757-758 (1996).
  73. Atropisomeric Flavoenzyme Models with a Modified Pyrimidine Ring: Syntheses, Physical Properties and Stereochemistry in the Reactions with NAD(P)H Analogs
    Atsuyoshi Ohno, Jun Kunitomo, Yasushi Kawai, Tetsuji Kawamoto, Masaki Tomishima, and Fumio Yoneda
    J. Org. Chem., 61 (26), 9344-9355 (1996).
  74. Geometrical Change of a Flavoenzyme Model through Hydrogen Bonding to the Pyrimidine Ring
    Yasushi Kawai, Jun Kunitomo, and Atsuyoshi Ohno
    Tetrahedron Lett., 37 (49), 8905-8908 (1996).

    1995

  75. Stereochemical Control in Microbial Reduction. XXV. Additives Controlling the Diastereoselectivity in a Microbial Reduction of Ethyl 2-Methyl-3-oxobutanoate
    Yasushi Kawai, Kousuke Takanobe, and Atsuyoshi Ohno
    Bull. Chem. Soc. Jpn., 68 (1), 285-288 (1995).
  76. Synthesis, Structure, and Oxidation of 3,4-Dihydro-1,2,5-benzotrithiepins
    Satoshi Ogawa, Masaki Sasaki, Takayuki Ogasawara, Ryu Sato, and Yasushi Kawai,
    Heteroatom Chem., 6 (1), 81-88 (1995).
  77. Introduction of Plural Asymmetric Centers by a beta-Keto Ester Reductase from Bakers' Yeast
    Yasushi Kawai, Kouichi Hida, Kaoru Nakamura, and Atsuyoshi Ohno,
    Tetrahedron Lett., 36 (4), 591-592 (1995).
  78. Synthesis, Structure, and Oxidation of Novel 4,7-Disubstituted Benzotrithioles. Formation and Characterization of Radical Cations with 11 pai-Electron Framework
    Satoshi Ogawa, Satoshi Saito, Takamasa Kikuchi, Yasushi Kawai, Shigeya Niizuma, and Ryu Sato
    Chem. Lett., (4), 321-322 (1995).
  79. Complexation with Helical Molecules: Helical Crystal Structure of Bis(hydroxymethyl)[7]thiaheterohelicene..Ethanol Clathrate
    Kazuhiko Tanaka, Yuka Shogase, Hideji Osuga, Hitomi Suzuki, Waro Nakanishi, Kaoru Nakamura, and Yasushi Kawai
    J. Chem. Soc., Chem. Commun., 1873-1874 (1995).
  80. Asymmetric Reduction of alpha,beta-Unsaturated Ketones with Bakers' Yeast
    Yasushi Kawai, Kentarou Saitou, Kouichi Hida, and Atsuyoshi Ohno,
    Tetrahedron: Asymmetry, 6 (9), 2143-2144 (1995).

    1994

  81. Stereoselective Synthesis of Ethyl (2S,3S)-Anti-2-Methyl-3-Hydroxybutanoate Mediated by an Oxidoreductase from Geotrichum candidum
    Yasushi Kawai, Kousuke Takanobe, Munekazu Tsujimoto, and Atsuyoshi Ohno
    Tetrahedron Lett., 35 (1), 147-148 (1994).
  82. Asymmetric Reduction of beta-Keto Esters with an Enzyme from Bakers' Yeast
    Yasushi Kawai, Munekazu Tsujimoto, Shin-ichi Kondo, Kousuke Takanobe, Kaoru Nakamura, and Atsuyoshi Ohno
    Bull. Chem. Soc. Jpn., 67 (2), 524-528 (1994).
  83. Synthesis and Molecular Structure of 3,4,13,14-Tetraselenatricyclo-[14.4.0.06,11]icosa-1(16),6,8,10,17,19-hexane
    Satoshi Ogawa, Sachiko Ohara, Yasushi Kawai, and Ryu Sato
    Heterocycles, 38 (3), 491-494 (1994).
  84. Stereochemical Control in Microbial Reduction. XXIII. Heat-Treatment of Bakers' Yeast for Controlling the Stereoselectivity of Reductions
    Yasushi Kawai, Shin-ichi Kondo, Munekazu Tsujimoto, Kaoru Nakamura, and Atsuyoshi Ohno
    Bull. Chem. Soc. Jpn., 67 (8), 2244-2247 (1994).
  85. NAD(P)+-NAD(P)H Models. 83. Molecular Asymmetry with a Carbonyl Group. Electronically Controlled Stereochemistry in the Reaction of NADP+-Analogues
    Atsuyoshi Ohno, Akihiro Tsutsumi, Yasushi Kawai, Norimasa Yamazaki, Yuji Mikata, Mutsuo Okamura,
    J. Am. Chem. Soc., 116 (18), 8133-8137 (1994).
  86. Purification and Characterization of alpha-Keto Ester Reductases from Bakers' Yeast
    Kaoru Nakamura, Shin-ichi Kondo, Yasushi Kawai, Nobuyoshi Nakajima, and Atsuyoshi Ohno,
    Biosci. Biotech. Biochem., 58 (12), 2236-2240 (1994).

    1993

  87. Asymmetric Reduction of Ketopantolactone by Bakers' Yeast
    Kaoru Nakamura, Shin-ichi Kondo, Yasushi Kawai, and Atsuyoshi Ohno,
    Tetrahedron: Asymmetry, 4 (6), 1253-1254 (1993).
  88. Stereochemical Control in Microbial Reduction. XXI. Effect of Organic Solvent on Reduction of alpha-Keto Esters Mediated by Bakers' Yeast
    Kaoru Nakamura, Shin-ichi Kondo, Yasushi Kawai, and Atsuyoshi Ohno,
    Bull. Chem. Soc. Jpn., 66 (9), 2738-2743 (1993).

    1991

  89. Stereochemical Control of Microbial Reduction. 17. Mechanism to Control the Enantioselectivity in the Reduction with Bakers' Yeast
    Kaoru Nakamura, Yasushi Kawai, Nobuyoshi Nakajima, and Atsuyoshi Ohno,
    J. Org. Chem., 56 (15), 4778-4783 (1991).
  90. Stereochemical Control in Microbial Reduction. 18. Mechanism of Stereochemical Control in the Diastereoselective Reduction with Bakers' Yeast
    Kaoru Nakamura, Yasushi Kawai, Takehiko Miyai, Soichi Honda, Nobuyoshi Nakajima, and Atsuyoshi Ohno,
    Bull. Chem. Soc. Jpn., 64 (5), 1467-1470 (1991).
  91. Stereochemical Control in Microbial Reduction. 19. Effect of the Heat Treatment on the Diastereoselectivity of the Reduction with Bakers' Yeast
    Kaoru Nakamura, Yasushi Kawai, and Atsuyoshi Ohno,
    Tetrahedron Lett., 32 (25), 2927-2928 (1991).
  92. Reduction by Bakers' Yeast in Benzene
    Kaoru Nakamura, Shin-ichi Kondo, Yasushi Kawai, and Atsuyoshi Ohno,
    Tetrahedron Lett., 32 (48), 7075-7078 (1991).

    1990

  93. A Novel Method to Synthesize (L)-beta-Hydroxyl Esters by the Reduction with Bakers' Yeast
    Kaoru Nakamura, Yasushi Kawai, and Atsuyoshi Ohno,
    Tetrahedron Lett., 31 (2), 267-270 (1990).
  94. Stereoselective Synthesis of (2R,3S)-syn-2-Allyl-3-hydroxybutanoate Mediated by an Enzymatic System from Bakers' Yeast
    Kaoru Nakamura, Takehiko Miyai, Yasushi Kawai, Nobuyoshi Nakajima, and Atsuyoshi Ohno,
    Tetrahedron Lett., 31 (8), 1159-1160 (1990).
  95. Stereochemical Control in Microbial Reduction. XV. Preparation of (2R,3S)-syn-2-Allyl-3-hydroxybutanoate
    Kaoru Nakamura, Takehiko Miyai, Koichi Fukushima, Yasushi Kawai, Boga Ramesh Babu, and Atsuyoshi Ohno,
    Bull. Chem. Soc. Jpn., 63 (6), 1713-1715 (1990).
  96. Stereochemical Control in Diastereoselective Reduction with Bakers' Yeast
    Kaoru Nakamura, Yasushi Kawai, Takehiko Miyai, and Atsuyoshi Ohno,
    Tetrahedron Lett., 31 (25), 3631-3632 (1990).

    1989

  97. Stereochemical Control in Microbial Reduction. 8. Stereochemical Control in Microbial Reduction of beta-Keto Esters
    Kaoru Nakamura, Yasushi Kawai, Shinzaburo Oka, and Atsuyoshi Ohno,
    Bull. Chem. Soc. Jpn., 62 (3), 875-879 (1989).
  98. A New Method for Stereochemical Control of Microbial Reduction. Reduction of beta-Keto Esters with Bakers' Yeast Immobilized by Magnesium Alginate.
    Kaoru Nakamura, Yasushi Kawai, Shinzaburo Oka, and Atsuyoshi Ohno,
    Tetrahedron Lett., 30 (17), 2245-2246 (1989).