108. A Simple Proline-based Organocatalyst for the Enantioselective Reduction of Imines Using Trichlorosilane as a Reductant.
Kanemitsu, T.; Umehara, A.; Haneji, R.; Nagata, K.; Itoh, T.
Tetrahedron 2012, 68, 3893-3898.
107. Stereoselective Synthesis of vic-Halohydrins via L-tert-Leucine Catalyzed syn-Selective Aldol Reaction.
Umehara, A.; Kanemitsu, T.; Nagata, K.; Itoh, T.
Synlett 2012, 453-457.
106. C2-Symmetric Pyrrolidine-Based Chiral Ammonium Salts as a Phase-transfer Catalyst.
Ishikawa, T.; Nagata, K.; Kani, S.; Matsuo, M.; Sano, D.; Kanemitsu, T.; Miyazaki, M.; Itoh, T.
Heterocycles 2011, 83, 2577-2588.
105. Novel Sulfonaminde Catalyzed Asymmetric Hetero-Diels-Alder Reaction of Ethyl Glyoxylate with Danishefsky's Diene.
Kanemitsu, T.; Asajima, Y.; Shibata, T.; Miyazaki, M.; Nagata, K.; Itoh, T.
Heterocycles 2011, 83, 2525-2534.
104. Asymmetric Alkylation of Malonic Diester Under Phase-transfer Conditions.
Kanemitsu, T.; Koga, S.; Nagano, D.; Miyazaki, M.; Nagata, K.; Itoh, T.
ACS Catalysis 2011, 1, 1331-1335.
103. L-t-Leucine Catalyzed Direct Asymmetric Aldol Reaction of Cyclic Kentones.
Kanemitsu, T.; Umehara, A.; Miyazaki, M.; Nagata, K.; Itoh, T.
Eur. J. Org. Chem. 2011, 993-997.
102. Catalytic Asymmetric Allylation of 3,4-Dihydroisoquinolines and Its Application to the Synthesis of Isoquinoline Alkaloids.
Miyazaki, M.; Ando, N.; Sugai, K.; Seito, Y.; Fukuoka, H.; Kanemitsu, T.; Nagata, K.; Odanaka, Y.; Nakamura, T.K.; Itoh, T.
J. Org. Chem. 2011, 76, 534-542.
101. Dissolution of Polystyrene Utensils in Oral Drug Suspension - Warning on Materials Used in Preparation of Oral Drug Suspension-.
Asakura, H.; Misina, M.; Kurata, N.; Itoh, T.; Amemiya, M.
Jpn. J. Pharm. Health Care Sci. 2010, 36, 310-315.
100. Asymmetric Acyl-Strecker Reaction Promoted by Nobel Thiourea Organocatalyst.
Kanemitsu, T.; Toyoshima, E.; Miyazaki, M.; Nagata, K.; Itoh, T.
Heterocycles, 2010, 81, 2781-2792.
99. Formal Sythesis of Dihidrocorynantheine and Isorhynchophilline via Proline Catalyzed Mannich-Micheal Reaction.
Nagata, K.; Ishikawa, H.; Tanaka, A.; Miyazaki, M.; Kanemitsu, T.; Itoh, T.
Heterocyles 2010, 81, 1791-1798.
98. Catalytic Asymmetric Alkylation of α-Cyanocarboxylates and Acetoacetate using a Phase-transfer Catalyst.
Nagata, K.; Sano, D.; Shimizu. Y.; Miyazaki, M.; Kanemitsu, T.; Itoh, T.
Tetrahedron: Asymmetry. 2009, 20, 2530-2536.
97. Catalytic Asymmetric Hydroxylation of Oxindoles by Molecular Oxgen Using a Phase-transfer Catalyst.
Sano, D.; Nagata, K.; Itoh, T.
Org. Lett. 2008, 10, 1593-1595.
96. Synthesis of (-)-Trolline, (-)-Crispine A and (-)-Crispine E.
Kanemitsu, T.; Yamashita, Y.; Nagata, K.; Itoh, T.
Heterocycles 2007, 74, 199-203.
95. Diastereoselective Construction of Indolo[2,3-a]quinolizidine Skelton by Cycloaddition Reaction of 3,4-Dihydro-β-carbolines with γ,δ-Unsaturated-β-ketoesters.
Nagata, K.; Sekishiro, Y.; Itoh, T.
Heterocycles 2007, 74, 199-203.
94. Catalytic Asymmetric Alkylation of α-Cyanocarboxylate using a Phase-transfer Catalyst.
Nagata, K.; Sano, D.; Itoh, T.
Synlett 2007, 547-550.
93. Enantioselective Syntheses of ent-Sedridine and (+)-Coniine via Proline-catalyzed Mannich Reaction.
Nagata, K.; Nishimura, K.; Yokoya, M.; Itoh, T.
Heterocycles 2006, 70, 335-344.
92. Total Synthesis of ent-Sedridine using Proline Catalyzed Asymmetric Addition as a Key Step.
Itoh, T.; Nishimura, K.; Nagata, K.; Yokoya, M.
Synlett 2006, 2207-2210.
91. Catalytic Asymmetric Synthesis of (R)-(-)-Calycotomine, (S)-(-)-Salsolidine and (R)-(-)-Carnegine.
Kanemitsu, T.; Yamashita, Y.; Nagata, K.; Itoh, T.
Synlett 2006, 1595-1597.
90. Total Synthesis of ent-Dihydrocorynantheol using a Proline-catalyzed Asymmetric Addition Reaction.
Itoh, T.; Yokoya, M.; Miyauchi, K.; Nagata, K.; Ohsawa, A.
Org. Lett. 2006, 8, 1533-1535.
89. Formal Total Synthesis of (-)-Emetine usign Catalytic Asymmetric Allylation of Cyclic Imines as a Key Steps.
Itoh, T.; Miyazaki, M.; Fukuoka, H.; Nagata, K.; Ohsawa, A.
Org. Lett. 2006, 8, 1295-1297.
88. A Concise Enantioselective Synthesis of (+)-α-Conhydrine.
Nagata, K.; Toriizuka, Y.; Itoh, T.
Heterocylces 2005, 66, 107-109.
87. Cross-Metashesis Reaction of 1-Allyl-β-carboline and Isoquinoline Derivatives.
Nagata, K.; Itoh, T.; Fukuoka, H.; Nakamura, S.; Ohsawa, A.
Heterocycles 2005, 65, 1283-1287.
86. Synthesis of 2-Arylbenzothiazoles and Imidazoles Using Scandium Triflates as a Catalyst for both a Ring Closing and Oxidation Steps.
Itoh, T.; Nagata, K.; Ishikawa, H.; Ohsawa, A.
Heterocycles 2004, 63, 2769-2783.
85. A Selective Reductive Amination of Aldehydes by the Use of Hantzsch Dihydropyridines as Redcuctant.
Itoh, T.; Nagata, K.; Miyazaki, M.; Ishikawa, H.; Kurihara, A.; Ohsawa, A.
Tetrahedron 2004, 60, 6649-6655.
84. Synthesis of 1,2,3,4,6,7,12,12b-Octahydroindolo[2,3-a]quinolizine and Harmicine Using a Chiral 1-Allyl-1,2,3,4-tetrahydro-β-carboline as the Starting Material.
Itoh, T.; Miyazaki, M.; Nagata, K.; Nakamura, S.; Ohsawa, A.
Heterocycles 2004, 63, 655-661.
83. Synthesis of 2-Arylbenzothiazoles from 2-Aminobenzenehiol and Aryl Aldehydes Catalyzed by Scandium Triflate.
Itoh, T.; Nagata, K.; Ishikawa, H.; Ohsawa, A.
Heterocycles 2004, 62, 197-201.
82. Proline-catalyzed Asymmetric Addition Reaction of 9-Toshyl-3,4-dihydro-β-carboline with Ketones.
Itoh, T.; Yokoya, M.; Miyauchi, K.; Nagata, K.; Ohsawa, A.
Org. Lett. 2003, 5, 4301-4304.
81. Synthesis of 2-Substituted Benzimidazoles by Reaction of o-Phenylenediamine with Aldehydes in the Presence of Sc(OTf)3.
Nagata, K.; Itoh, T.; Ishikawa, H.; Ohsawa, A.
Heterocycles 2003, 61, 93-96.
80. The Synthesis of Isoquinoline Alkaloid and the Related Compounds Using Alanine Derivatives as Chiral Auxiliaries.
Itoh, T.; Nagata, K.; Yokoya, M.; Miyazaki, M.; Kameoka, K.; Nakamura, S.; Ohsawa A.
Chem. Pharm. Bull. 2003, 51, 951-955.
79. A General Method for the Asymmetric Synthesis of Both Enantiomers of 1-Substituted 1,2,3,4-Tetrahydro-β-carbolines Employing Pyroglutamic Acid Derivatives as Chiral Auxiliaries.
Itoh, T.; Miyazaki, M.; Ikeda, S.; Nagata, K.; Yokoya, M.; Matsuya, Y.; Enomoto, Y.; Ohsawa, A.
Tetrahedron 2003, 59, 3527-3536.
78. Concise Syntheses of Harmicine and a Pyrrolidinoisoquinoline Derivative Using Chiral 1-Allyl Adducts of β-Carboline and Isoquinoline as Starting Materials.
Itoh, T.; Miyazaki, M.; Nagata, K.; Yokoya, M.; Nakamura, S.; Ohsawa, A.
Heterocycles 2002, 58, 115-118.
77. A New Entry to Asymmetric Synthesis of 1-Substituted 1,2,3,4-Tetrahydro-β-carbolines Employing a Pyroglutamic Acid Derivative as a Chiral Auxiliary.
Itoh, T.; Nagata, K.; Yokoya, M.; Miyazaki, M.; Ikeda, S.; Matsuya, Y.; Enomoto, Y.; Ohsawa, A.
Synlett 2002, 1005-1007.
76. Reductive Amination of Aldehydes and Ketones by a Hantzsch Dihydropyridine Using Scandium Triflate as a Catalyst.
Itoh, T.; Nagata, K.; Kurihara, A.; Miyazaki, M.; Ohsawa, A.
Tetrahedron Lett. 2002, 43, 3105-3108.
75. Enantioselective Synthesis of (S)-2,3,9,10,11-Pentamethoxyhomoprotoberberine and (S)-O-Methylkreysigine Using an Asymmetric Addition to an Isoquinoline Ring.
Nagata, K.; Itoh, T.; Kameoka, K.; Miyazaki, M.; Ohsawa, A.
Heterocycles 2001, 55, 2269-2272.
74. Asymmetric Addition of Nucleophiles to C-1 Position of Isoquinolines Using (S)-Alanine Derivatives as Chiral Auxiliaries.
Itoh, T.; Nagata, K.; Miyazaki, M.; Kameoka, K.; Ohsawa, A.
Tetrahedron 2001, 57, 8827-8839.
73. Preparation of Both Enantiomers of 1-Allyl-1,2,3,4-tetrahydro-β-carboline Using Allyltin Reagents and a Chiral Auxiliary Derived from L-Proline.
Itoh, T.; Matsuya, Y.; Enomoto, Y.; Ohsawa, A.
Tetrahedron 2001, 57, 7277-7289.
72. A Concise Formal Synthesis of (±)-Deplancheine.
Itoh, T.; Matsuya, Y.; Enomoto, Y.; Ohsawa, A.
Heterocycles 2001, 55, 1165-1171.
71. A Selective Synthesis of Both Enantiomers of a 1-Allyl-β-carboline Using the Same Chiral Auxiliary Derived from L-Proline.
Matsuya, Y.; Itoh, T.; Enomoto, Y.; Ohsawa, A.
Heterocycles 2000, 53, 2357-2361.
70. Cleavage of S-S Bond by Nitric Oxide (NO) in the Presence of Oxygen: A Disproportionation Reaction of Two Dislfides.
Tsutusmi, N.; Ioth, T.; Ohsawa, A.
Chem. Pharm. Bull. 2000, 48, 1524-1528.
69. Radical Scavenging by N-Aminoazaaromatics.
Itoh, T.; Miyazaki, M.; Nagata, K.; Ohsawa, A.
Tetrahedron 2000, 56, 4383-3495.
68. Addition Reaction of Imidazoles and Thiazoles with Silyl Enol Ethers in the Presence of Alkyl Chloroformate.
Itoh, T.; Miyazaki, M.; Nagata, K.; Ohsawa, A.
Tetrahedron 2000, 56, 4383-4395.
67. Scandium Triflate Catalyzed Formation of Benzothiazole from 2-Aminobenzothiol and Formaldehyde in the Presence of Water.
Itoh, T.; Nagata, K.; Miyazaki, M.; Ohsawa, A.
Heterocycles 2000, 52, 1037-1040.
66. A Novel Synthesis of Chiral 1-Allyl-1,2,3,4-tetrahydro-β-carboline
Employing Allyltributyltin and Chiral Acyl
Chlorides.
Itoh, T.; Matsuya, Y.; Enomoto, Y.; Nagata, K.; Miyazaki, M.; Ohsawa, A.
Synlett, 1999, 1799-1801.
65. Disproportionation Reaction of Disulfides
Promoted by Nitric Oxide (NO) in the Presence
of Oxygen.
Itoh, T.; Tsutsumi, N.; Ohsawa, A.
Bioorg. Med. Chem. Lett. 1999, 9, 2161-2166.
64. A Nobel Synthesis of Chiral Tetrahydroisoquinolines
Employing Silyl Enol Ethers in the Presence
of Chiral Acyl Chlorides.
Itoh, I.; Nagata, K.; Miyazaki, M.; Ohsawa, A.
Synlett 1999, 1154-1156.
63. Reactions of Secondary and Tertiary Amines
with Nitric Oxide in the Presence of Oxygen.
Itoh, T.; Matsuya, Y.; Maeta, H.; Miyazaki, M.; Nagata, K.; Ohsawa, A.
Chem. Pharm. Bull. 1999, 47, 819-823.
62. One Pot Reaction of Unstable N-Acyl Quaternary Salt of Thiazoles or Imidazoles
with Silyl Enol Ethers Formed in situ.
Itoh, T.; Miyazaki, M.; Nagata, K.; Matsuya, Y.; Ohsawa, A.
Heterocycles 1999, 50, 667-671.
61. Effect of Oxygen on the Reaction of Secondary
Amines with Nitric Oxide.
Itoh, T.; Matsuya, Y.; Maeta, H.; Miyazaki, M.; Nagata, K.; Ohsawa, A.
Chem. Pharm. Bull. 1999, 47, 133-135.
60. Allylation of N-Acyl Quaternary Salts of Azaaromatics with
Allyltrimethylsilane in the Presence of Triflate
Ion.
Itoh, T.; Miyazaki, M.; Nagata, K.; Ohsawa, A.
Heterocycles 1998, 49, 67-71.
59. Vicarious Nucleophilic Substitution of Pyridazinium N-Dicyanomethylides.
Itoh, T.; Matsuya, Y.; Nagata, K.; Miyazaki, M.; Tsutsumi, N.; Ohsawa,
A.
J. Chem. Soc., Perkin Trans. 1, 1998, 1637-1641.
57. Reaction of Pyridazine and Quinoline with
Silyl Enol Ethers in the Presence of Alkyl
Chloroformate.
Itoh, T.; Miyazaki, M.; Nagata, K.; Ohsawa, A.
Heterocycles 1997, 46, 83-86.
56. A Mild Dehydrazination Reaction of Arylhydrazines
Using Nitric Oxide in the Presence of Oxygen.
Matsuya, Y.; Itoh, T.; Nagata, K.; Ohsawa, A.
Tetrahedron 1997, 53, 15701-15710.
55. Deamination of 2-Aminothiazoles and 3-Amino-1,2,4-triazines
with Nitric Oxide in the Presence of a Catalytic
Amount of Oxygen.
Itoh, T.; Matsuya, Y.; Nagata, K.; Ohsawa, A.
Chem. Pharm. Bull. 1997, 45, 1547-1549.
54. Reaction of Amides with Nitric Oxide (NO).
Itoh, T.; Nagata, K.; Matsuya, Y.; Miyazaki, M.; Ohsawa, A.
Tetrahedron Lett. 1997, 38, 5017-5020.
53. Reaction of Arylhydrazines with Nitric Oxide
in the Presence of Oxygen.
Itoh, T,; Matsuya, Y.; Nagata, K.; Ohsawa, A.
Tetrahedron Lett. 1997, 38, 4117-4120.
52. Reaction of Nitric Oxide with Amines.
Itoh, T.; Nagata, K.; Matsuya, Y.; Miyazaki, M.; Ohsawa, A.
J. Org. Chem. 1997, 62, 3582-3585.
51. A New Entry to the Synthesis of 5-Substituted
1,2,3-Triazines by Reaction with Silyl Enol
Ethers and Ceric Ammonium Nitrate.
Itoh, T.; Matsuya, Y.; Hasegawa, H.; Nagata, K.; Okada, M.; Ohsawa, A.
J. Chem. Soc., Perkin Trans. 1, 1996, 2511-2515.
50. Addition of Silyl Enol Ethers to Imidazoles
and Thiazoles in the Presence of Alkyl Chloroformate.
Itoh, T.; Miyazaki, M.; Hasegawa, H.; Nagata, K.; Ohsawa, A.
Chem. Commun. 1996, 1217-1218.
49. Reductive Deamination of Aromatic Amines
with Nitric Oxide (NO).
Itoh, T.; Matsuya, Y.; Nagata, K.; Ohsawa, A.
Tetrahedron Lett. 1996, 37, 4165-4168.
48. The Reaction of Benzimidazolium Derivatives
with Superoxide.
Nagata, K.; Itoh, T.; Okada, M.; Ohsawa, A.
Tetrahedron 1996, 52, 6569-6580.
47. A Regiospecific Reaction of Pyridazines with
Vicarious Nucleophilic Substitution via Their
Dicyanomethylide Derivatives.
Itoh, T.; Matsuya, Y.; Nagata, K.; Okada, M.; Ohsawa, A.
J. Chem. Soc., Chem. Commun. 1995, 2067-2068.
46. The Synthesis of 5-Substituted 1,2,3-Triazines
with Ketene Silyl Acetals and Ceric Ammonium
Nitrate.
Itoh, T.; Matsuya, Y.; Hasegawa, H.; Nagata, K.; Okada, M.; Ohsawa, A.
Chem Pharm. Bull. 1995, 43, 881-883.
45. The Aromatization of Hantzsch Dihydropyridines
with Nitric Oxide (NO).
Itoh, T.; Nagata, K.; Okada, M.; Ohsawa, A.
Tetrahedron Lett. 1995, 36, 2269-2273.
44. A New Entry to the Ethynylation of Azaaromatics
Using Bis(tributylstannyl)acetylene in the
Presence of Alkyl Chloroformate.
Itoh, T.; Hasegawa, H.; Nagata, K.; Okada, M.; Ohsawa, A.
Tetrahedron 1994, 50, 13089-13100.
43. Reaction of Six-Membered Azaaromatics with
Allyltributyltin.
Itoh, T.; Hasegawa, H.; Nagata, K.; Matsuya, Y.; Okada, M.; Ohsawa, A.
Chem. Pharm. Bull. 1994, 42,1768-1773.
42. Ethynylation of Azaaromatics with Bis(tributylstannyl)acetylene
in the presence of Alkyl Chloroformate.
Itoh, T.; Hasegawa, H.; Nagata, K.; Ohsawa, A.
Synlett 1994, 557-558.
41. The Reaction of 1-Ethoxycarbonyl-3-methylbenzimidazolium
Salts with Electrogenerated and Potassium
Superoxide.
Itoh, T.; Nagata, K.; Okada, M.; Ohsawa, A.
Chem. Pharm. Bull. 1994, 42, 1154-1156.
40. Allylation of Azoles with Allyltributyltin
via Unstable N-(Alkoxycarbonyl)azolium Salts.
Itoh, T.; Hasegawa, H.; Nagata, K.; Ohsawa, A.
J. Org. Chem. 1994, 59, 1319-1325.
39. The Reaction of Diazines with Allyltributyltin
via N-Alkoxycarbonylazinium Salts.
Itoh, T.; Hasegawa, H.; Nagata, K.; Matsuya, Y.; Ohsawa, A.
Heterocycles 1994, 37, 709-713.
38. 1,2,3-Triazines
Ohsawa, A.; Itoh, T.
Yakugaku Zasshi 1994, 114, 934-949.
37. Vicarious Nucleophilic Substitution of Pyridines
and 1,2,3-Triazines via Their Dicyanomethylide
Derivatives.
Nagata, K.; Itoh, T.; Okada, M.; Ohsawa, A.
Chem. Pharm. Bull. 1993, 41, 1644-1648.
36. Two Novel Ten-Membered Ring Compounds: 1,2,5,8-Dithiadiazecine-6,7-diones.
Yamaguchi, K.; Itoh, T.; Nagata, K.; Okada, M.; Ohsawa, A.
Acta Crystallogr. 1993, C49, 1514-1517.
35. Vicarious Nucleophilic Substitution of 1,2,3-Triazines.
Itoh, T.; Nagata, K.; Okada, M.; Ohsawa, A.
Heterocycles 1993, 35, 581-583.
34. The Reaction of 3-Methylthiazolium Derivatives
with Superoxide.
Itoh, T.; Nagata, K.; Okada, M.; Ohsawa, A.
Tetrahedron 1993, 49, 4859-4870.
33. Vicarious Nucleophilic Substitution of Pyridines
via Their Dicyanomethylide Derivatives.
Itoh, T.; Nagata, K.; Okada, M.; Ohsawa, A.
Chem. Pharm. Bull. 1993, 41, 220-222.
32. The Reaction of 3,3'-Dimethyl-2,2'-bithiazolium
Salts with Superoxide.
Itoh, T.; Nagata, K.; Okada, M.; Yamaguchi, K.; Ohsawa, A.
Tetrahedron Lett. 1992, 33, 6983-6986.
31. The Reaction of 2-Methyl-1,2,3-triazinium
Iodides and Related Compounds.
Itoh, T.; Nagata, K.; Okada, M.; Ohsawa, A.
Chem. Pharm. Bull. 1992, 40, 2283-2286.
30. Reaction of Imidazoles with Allyltributyltin
in the Presence of Chloroformate.
Itoh, T.; Hasegawa, H.; Nagata, K.; Okada, M.; Ohsawa, A.
Tetrahedron Lett. 1992, 33, 5399-5402.
29. Structure of Benzo-1,2,3,4-tetrazine 1,3-Dioxide.
Yamaguchi, K.; Takahashi, H.; Kaihoh, T.; Itoh, T.; Okada, M.; Nagata,
K.; Matsumura, G.; Ohsawa, A.
Acta Crystallogr. 1992, C48, 1237-1239.
28. Two Azabenzotriazines.
Yamaguchi, K.; Takahashi, H.; Itoh, T.; Ohsawa, A.
Acta Crystallogr. 1992, C48, 1152-1154.
27. Thermolysis of 1,2,3-Triazines.
Itoh, T.; Okada, M.; Nagata, K.; Ohsawa, A.
Heterocycles 1992, 34, 1183-1190.
26. 2-Methyl-4,6-diphenyl-1,2,3-triazinium Iodide.
Yamaguchi, K.; Itoh, T.; Okada, M.; Ohsawa, A.
Acta Crystallogr. 1992, C48, 964-965.
25. The Reactivity of Monocyclic 1,2,3-Triazine.
Itoh, T.; Nagata, K.; Kaihoh, T.; Okada, M.; Kawabata, C.; Arai, H.; Ohnishi,
H.; Yamaguchi, K.; Igeta, H.; Ohsawa, A.; Iitaka, Y.
Heterocycles 1992, 33, 631-639.
24. The Reaction of 3-Methylbenzothiazolium Salts
with Superoxide.
Itoh, T.; Nagata, K.; Okada, M.; Ohsawa, A.
Tetrahedron Lett. 1992, 33, 361-362.
23. Two Polymorphs of 5-Carbamoyl-4-methyl-6-phenyl-1,2,3-triazine.
Yamaguchi, K.; Itoh, T.; Okada, M.; Ohsawa, A.; Matsumura, G.
Acta Crystallogr. 1991, C47, 2256-2258.
22. Structures of Two 1,2,3-Triazine N-Oxides.
Yamaguchi, K.; Itoh, T.; Kaihoh, T.; Ohsawa, A.
Acta Crystallogr. 1991, C47, 2193-2196.
21. Radical Nucleophilic Carbamoylation of 1,2,3-Triazine
Derivatives.
Nagata, N.; Itoh, T.; Okada, M.; Takahashi, H.; Ohsawa, A.
Heterocycles 1991, 32, 2015-2022.
20. Structure of 1,3,9-Triphenylindeno[3,2-b]pyridine.
Yamaguchi, K.; Itoh, T.; Okada, M.; Ohsawa, A.
Acta Crystallogr. 1991, C47, 1764-1766.
19. Structure of a Pyrimidoazepine Derivative.
Yamaguchi, K.; Itoh, T.; Nagata, K.; Okada, M.; Ohsawa, A.
Acta Crystallogr. 1991, C47, 1763-1764.
18. Lead Tetraacetate Oxidation of 1- and 2-Amino-5-phenyl[1,2,3]triazolo[4,5-d]-[1,2,3]triazoles;
Synthesis of a Fused 1,2,3,4-Tetrazine.
Kaihoh, T.; Itoh, T.; Yamaguchi, K.; Ohsawa, A.
J. Chem. Soc., Perkin Trans. 1, 1991, 2045-2048.
17. Revised Structure of N-Oxidation Products of 4,5,6-Triaryltriazines:
1,2,3-Triazine 2-Oxides.
Ohsawa, A.; Itoh, T.; Yamaguchi, K.; Kawabata, C.
Chem. Pharm. Bull. 1991, 39, 2117-2119.
16. The Substitution of 5-Halo-1,2,3-triazines
with Electrolytically Generated Superoxide.
Itoh, T.; Nagata, K.; Okada, M.; Takahashi, H.; Ohsawa, A.
Tetrahedron 1991, 47, 4317-4324 .
15. Radical Carbamoylation of 1,2,3-Triazinium
2-Dicyanomethylides.
Nagata, K.; Itoh, T.; Okada, M.; Takahashi, H.; Ohsawa, A.
Heterocycles 1991, 32, 855-857.
14. Structure of 2-Phenyl-1,2,3-triazolo[4,5-e][1,2,3,4]tetrazine
at 153K.
Yamaguchi, K.; Kaihoh, T.; Itoh, T.; Ohsawa, A.
Acta Crystallogr. 1991, C47, 590-592.
13. Structure of 1,2,3-Triazine Derivatives.
Yamaguchi, K.; Ohsawa, A.; Itoh, T.
Acta Crystallogr. 1990, C46, 2177-2181.
12. Redox Properties of Superoxide with 1,2,3-Triazine
Derivatives.
Itoh, T.; Nagata, K.; Okada, M.; Ohsawa, A.
Tetrahedron Lett. 1990, 31, 7193-7196.
11. Structure of 4-Azadibenzofuran-3-carbonitrile.
Yamaguchi, K.; Itoh, Y.; Itoh, T.; Ohsawa, A.; Igeta, H.
Acta Crystallogr. 1990, C46, 2262-2263.
10. Structure of 6-(2-Hydroxyphenyl)pyridine-2-carbonitrile.
Yamaguchi, K.; Itoh, Y.; Itoh, T.; Ohsawa, A.; Igeta, H.
Acta Crystallogr. 1990, C46, 2260-2262.
9. Structure of 1,2,3-Triazine Derivatives.
Yamaguchi, K.; Ohsawa, A.; Itoh, T.
Acta Crystallogr. 1990, C46, 2177-2181.
8. The Degradation Pathway of 1,2,3,4-Tetrazine
Kaihoh, T.; Itoh, T.; Yamaguchi, K.; Ohsawa, A.
Chem. Pharm. Bull. 1990, 38, 3191-3194.
7. Structure of a Tetrazole.
Yamaguchi, K.; Ohsawa, A.; Kaihoh, T.; Itoh, T.
Acta Crystallogr. 1990, C46, 161-1162.
6. Structure of a 1,3-Dicyanoazimine.
Yamaguchi, K.; Ohsawa, A.; Kaihoh, T.; Itoh, T.; Kawabata, C.
Acta Crystallogr. 1990, C46, 821-823.
5. The Ring Transformation of 1,2,3-Triazines.
Itoh, T.; Okada, M.; Nagata, K.; Yamaguchi, K.; Ohsawa, A.
Chem. Pharm. Bull. 1990, 38, 2108-2111.
4. Flash Vacuum Pyrolysis of Pyridine N-Oxides.
Itoh, T.; Ohsawa, A.; Itoh, Y.; Igeta, H.
Heterocycles 1990, 31, 783-786.
3. Electrooxidation of N-Aminopyrazoles.
Itoh, T.; Nagata, K.; Okada, M.; Ohsawa, A.
Chem. Pharm. Bull. 1990, 38, 1524-1526.
2. Structure of a 1,2,3,5-Tetrazine-4-one.
Yamaguchi, K.; Ohsawa, A.; Itoh, T.; Kawabata, C.
Acta Crystallogr. 1990, C46, 261-263.
1. Reaction of 5-Halo-1,2,3-Triazines with Superoxide;
Synthesis of 5-Hydroxytriazines.
Itoh, T.; Nagata, K.; Okada, M.; Ohsawa, A.
Tetrahedron Lett. 1990, 31, 2429-2430.