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51

A new synthesis of pyrimido[4,5-e]-as-triazine 4-oxides by nitrosative cyclization of aldehyde uracil-6-ylhydrazones in the presence of diethyl azodiformate

Yoneda, Fumio, Nagamatsu, Tomohisa, Shinomura, Kazuko

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1976

Language:

english

File:

PDF, 327 KB

english, 1976

52

Autorecycling system for reduction of carbonyl compounds to alcohols by 1,5-dihydro-5-deazaflavins

Kuroda, Kazunori, Nagamatsu, Tomohisa, Yanada, Reiko, Yoned, Fumio

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1993

Language:

english

File:

PDF, 470 KB

english, 1993

53

A new, general, and convenient synthesis of 5-deazaflavins (5-deazaisoalloxazines) and bis-(5-deazaflavin-10-yl)alkanes

Nagamatsu, Tomohisa, Hashiguchi, Yuko, Yoneda, Fumio

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1984

Language:

english

File:

PDF, 496 KB

english, 1984

54

The Facile Synthesis of 6-Azapurines by Transformation of Toxoflavins (7-Azapteridines)

Nagamatsu, Tomohisa, Ma, Jun, Yoneda, Fumio

Journal:

Year:

2009

Language:

english

File:

PDF, 485 KB

english, 2009

55

Novel xanthine oxidase inhibitor studies. Part 2. Synthesis and xanthine oxidase inhibitory activities of 2-substituted 6-alkylidenehydrazino- or 6-arylmethylidenehydrazino-7H-purines and 3- and/or 5-substituted 9H-1,2,4-triazolo[3,4-i ]purines

Nagamatsu, Tomohisa, Yamasaki, Hiroo, Fujita, Takayuki, Endo, Kazuki, Machida, Haruhiko

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1999

Language:

english

File:

PDF, 157 KB

english, 1999

56

The First Reliable, General Synthesis of the 5-Oxo Derivatives of 5,6-Dihydro-1,2,4-triazolo[4,3-c]pyrimidine and the Rates of Isomerization of the [4,3-c] Compounds into Their [1,5-c] Isomers

Nagamatsu, Tomohisa, Fujita, Takayuki

Journal:

Year:

2002

Language:

english

File:

PDF, 69 KB

english, 2002

57

Synthesis of 6-Azapurines by Transformation of Toxoflavins and Reumycins (7-Azapteridines) and their Cytotoxicities

Ma, Jun, Yoneda, Fumio, Nagamatsu, Tomohisa

Journal:

Australian Journal of Chemistry

Year:

2014

Language:

english

File:

PDF, 498 KB

english, 2014

58

Facile Synthesis of 2-Phenylquinoline-4-carboxamide Derivatives with Variant Structural Features

Okawara, Tadashi, Islam, Rafiqul, Imran Hossain, Md., Okamoto, Yoshinari, Nagamatsu, Tomohisa, Anraku, Kensaku

Journal:

Year:

2014

Language:

english

File:

PDF, 729 KB

english, 2014

59

Polycyclic N -Hetero Compounds; XXXIX: A Facile Synthesis of 1,2,4,5-Tetrahydro-[1]benzoxepino[4,5- e ]imidazo[1,2- c ]pyrimidines via Ring Closure of 4-(2-Hydroxyalkylamino)-5,6-dihydro-[1]benzoxepino[5,4- d ]pyrimidines

Nagamatsu, Tomohisa, Tsurubayashi, Shogo, Sasaki, Kenji, Hirota, Takashi

Journal:

Year:

1991

File:

PDF, 341 KB

1991

60

Synthesis and Regioselective N- and O-Alkylation of 1 H - or 3 H -[1,2,3]Triazolo[4,5- d ]pyrimidine-5,7(4 H ,6 H )-diones (8-Azaxanthines) and Transformation of Their 3-Alkyl Derivatives into 1-Alkyl Isomers

Islam, Rafiqul, Nagamatsu, Tomohisa

Journal:

Year:

2006

Language:

english

File:

PDF, 237 KB

english, 2006

61

Facile and General Syntheses of 3- and/or 5-Substituted 7-β-d-Ribofuranosyl-7H-[1,2,4]triazolo[3,4-i]purines as a New Class of Potential Xanthine Oxidase Inhibitors

Nagamatsu, Tomohisa, Yamasaki, Hiroo, Akiyama, Toshihiko, Hara, Sachiko, Mori, Kenya, Kusakabe, Hitoshi

Journal:

Year:

1999

Language:

english

File:

PDF, 110 KB

english, 1999

62

A New and Facile Synthesis of Pyrido[2,3- d : 6,5- d ′]dipyrimidine Derivatives

Nagamatsu, Tomohisa, Sakuma, Yoshiharu, Yoneda, Fumio

Journal:

Year:

1983

File:

PDF, 111 KB

1983

63

Synthesis and Chemoselective N- and O-Alkylation of Thiadiazolopyrimidine Nucleosides and Uridines

Hossion, Abugafar, Islam, Rafiqul, Kandahary, Rafiya, Nagamatsu, Tomohisa

Journal:

Year:

2009

Language:

english

File:

PDF, 181 KB

english, 2009

64

A New Synthetic Method of Toxoflavin Derivatives

YONEDA, Fumio, NAGAMATSU, Tomohisa

Journal:

Year:

1975

File:

PDF, 94 KB

1975

65

Synthesis and Antiviral and Antitumor Activities of 2H-[1,2,3]Triazolo[4,5-d]pyrimidines and 1H-, 2H-, and 3H-[1,2,3]Triazolo[4,5-d]pyrimidin-5(4H)-one-7(6H)-thiones

Nagamatsu, Tomohisa, Islam, Rafiqul

Journal:

Year:

2006

Language:

english

File:

PDF, 1013 KB

english, 2006

66

Isolation of New Chlorinated Regioisomers of Mono N-Substituted Uracil Derivatives and Synthesis of 3-Substituted 8-Phenylpyrimido[5,4-e]-1,2,4-triazine-5,7(6H,8H)-diones

Nagamatsu, Tomohisa, Yamasaki, Hirofumi, Yoneda, Fumio

Journal:

Year:

1994

Language:

english

File:

PDF, 422 KB

english, 1994

67

A Transformation of 7-Azapteridines into 6-Azapurines (Imidazo[4,5-e]-as-triazines)

Yoneda, Fumio, Kawamura, Mitsuko, Nagamatsu, Tomohisa, Kuretani, Kazuo, Hoshi, Akio, Iigo, Masaaki

Journal:

Year:

1976

Language:

english

File:

PDF, 77 KB

english, 1976

68

Novel and Facil Synthesis and Evaluation of Antitumor Activities of 6,7-Bisaryl-1-(β-D-ribofuranosyl)pteridine-2,4(1H,3H)-diones

Nagamatsu, Tomohisa, Khan Kandahary, Rafiya, M. L. Hossion, Abugafar, Ashida, Noriyuki

Journal:

Year:

2010

Language:

english

File:

PDF, 1.19 MB

english, 2010

69

ChemInform Abstract: Facile Synthesis of 2-Phenylquinoline-4-carboxamide Derivatives with Variant Structural Features.

Okawara, Tadashi, Islam, Rafiqul, Hossain, Md. Imran, Okamoto, Yoshinari, Nagamatsu, Tomohisa, Anraku, Kensaku

Journal:

Year:

2014

File:

PDF, 33 KB

2014

70

Synthesis of Thieno[3,2-e][1,2,4]Triazolo[1,5-c]pyrimidin-5(6H)-ones via Their [1,2,4]triazolo[4,3-c]pyrimidine Compounds as New Ring Systems by Dimroth-Type Rearrangement

Nagamatsu, Tomohisa, Ahmed, Shoeb, M. L. Hossion, Abugafar, Ohno, Seiji

Journal:

Year:

2007

Language:

english

File:

PDF, 792 KB

english, 2007

71

New Syntheses of Fervenulin (1,3-Dimethyl-7-azalumazine) and Analogs

Yoneda, Fumio, Nagamatsu, Tomohisa

Journal:

Bulletin of the Chemical Society of Japan

Year:

1975

File:

PDF, 550 KB

1975

72

The Thermolysis and Photolysis of 6-(Benzylidenehydrazino)uracils. New Syntheses of Pyrazolo[3,4- d ]pyrimidines. A Method to Convert Aldehydes to Nitriles

Yoneda, Fumio, Nagamatsu, Tomohisa

Journal:

Bulletin of the Chemical Society of Japan

Year:

1975

File:

PDF, 853 KB

1975

73

AUTORECYCLING OXIDATION OF ALCOHOL CATALYZED BY PYRIMIDOPTERIDINES AS A FLAVIN MODEL

Nagamatsu, Tomohisa, Matsumoto, Etsuko, Yoneda, Fumio

Journal:

Chemistry Letters

Year:

1982

Language:

english

File:

PDF, 6.42 MB

english, 1982

74

AUTORECYCLING OXIDATION OF AMINES TO CARBONYL COMPOUNDS CATALYZED BY 3,4-DISUBSTITUTED 4-DEAZATOXOFLAVIN DERIVATIVES

Nagamatsu, Tomohisa, Hashiguchi, Yuko, Sakuma, Yoshiharu, Yoneda, Fumio

Journal:

Chemistry Letters

Year:

1982

Language:

english

File:

PDF, 7.24 MB

english, 1982

75

Synthesis and properties of 1,3-dimethyl-6-azalumazines (Isofervenulins).

YONEDA, FUMIO, NAGAMATSU, TOMOHISA, OGIWARA, KAZUKO, KANAHORI, MICHIKO, NISHIGAKI, SADAO, TAYLOR, EDWARD C.

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1978

File:

PDF, 672 KB

1978

76

Reactivity of isocoumarins. I. Effect of a neighboring hydroxyl group on the reduction of the lactone carbonyl group.

YAMATO, MASATOSHI, ISHIKAWA, TADATAKA, NAGAMATSU, TOMOHISA, YOSHIKAWA, SHIN, KOYAMA, TAKAJI

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1980

File:

PDF, 857 KB

1980

77

Syntheses and properties of 3-hydroxy-4,6-dimethylpyrrolo(3,2-d)pyrimidine-5,7(4H,6H)-dione (9-hydroxy-9-deazatheophylline) derivatives.

YONEDA, FUMIO, MOTOKURA, MIYUKI, KAMISHIMOTO, MUTSUKO, NAGAMATSU, TOMOHISA, OTAGIRI, MASAKI, UEKAMA, KANETO, TAKAMOTO, MASAYUKI

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1982

File:

PDF, 901 KB

1982

78

Synthesis and properties of a new class of pyridodipyrimidines, 8-alkoxypyrido(2,3-d:6,5-d')dipyrimidine-2,4,6(3H,10H,7H)-triones.

Yoneda, Fumio, Nagamatsu, Tomohisa, Takamoto, Masayuki

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1983

File:

PDF, 389 KB

1983

79

Synthesis and properties of 2,3,4,8-tetrahydro-2,4-dioxopyrido(2,3-d)pyrimidines (5-deazalumazines) and their bis-compounds.

NAGAMATSU, TOMOHISA, KOGA, MASAKAZU, YONEDA, FUMIO

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1984

File:

PDF, 807 KB

1984

80

Syntheses of 4-methyl-s-triazolo(4,3-a)purin-9(4H)-ones and tetrazolo(1,5-a)purin-9(4H)-ones as aza analogs of "Y" bases.

NAGAMATSU, TOMOHISA, UKAI, MASAYOSHI, YONEDA, FUMIO, BROWN, DESMOND J.

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1985

File:

PDF, 744 KB

1985

81

Synthesis and properties of 3,4-disubstituted 1-methylpyrimido(4,5-c)pyridazine-5,7(1H,6H)-diones (3,4-disubstituted 4-deazatoxoflavins) and 3,4-disubstituted 4-deazatoxoflavin bound to polystyrene and their use in autorecycling oxidation of amines.

SAKUMA, YOSHIHARU, NAGAMATSU, TOMOHISA, HASHIGUCHI, YUKO, YONEDA, FUMIO

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1984

File:

PDF, 865 KB

1984

82

Oxidation of pyrimidine base derivatives with m-chloroperbenzoic acid.

HARAYAMA, TAKASHI, KOTOJI, KAYOKO, YANADA, REIKO, YONEDA, FUMIO, TAGA, TOORU, OSAKI, KENJI, NAGAMATSU, TOMOHISA

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1986

File:

PDF, 779 KB

1986

83

Aryl bis(2-oxo-3-benzoxazolinyl)phosphinate and tris(2-oxo-3-benzoxazolinyl)phosphine oxide: New condensing reagents for beta-lactam formation from beta-amino acids.

Nagamatsu, Tomohisa, Kunieda, Takehisa

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1988

File:

PDF, 337 KB

1988

84

Syntheses of 3-Substituted 1-Methyl-6-phenylpyrimido(5,4-e)-1,2,4-triazine-5,7(1H,6H)-diones (6-Phenyl Analogs of Toxoflavin) and Their 4-Oxides, and Evaluation of Antimicrobial Activity of Toxoflavins and Their Analogs.

NAGAMATSU, Tomohisa, YAMASAKI, Hirofumi, HIROTA, Takashi, YAMATO, Masatoshi, KIDO, Yutaka, SHIBATA, Motoo, YONEDA, Fumio

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1993

File:

PDF, 934 KB

1993

85

Oxidation of 1,3-dimethyl derivatives of pyrimidine bases with m-chloroperbenzoic acid.

Harayama, Takashi, Kotoji, Kayoko, Yoneda, Fumio, Taga, Tooru, Osaki, Kenji, Nagamatsu, Tomohisa

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1984

File:

PDF, 367 KB

1984

86

Suppression by Cyclosporin A of Anti-GBM Nephritis in Rats.

Nagamatsu, Tadashi, Kojima, Noriyuki, Kondo, Nobuyuki, Hattori, Tomohisa, Kojima, Ryoji, Ito, Mikio, Suzuki, Yoshio

Journal:

The Japanese Journal of Pharmacology

Year:

1992

Language:

english

File:

PDF, 541 KB

english, 1992

87

Studies on antinephritic effect of TJ-8014, a new Japanese herbal medicine, and its mechanisms. (2): Effect on the release of corticosterone from adrenal glands.

HATTORI, Tomohisa, NAGAMATSU, Tadashi, ITO, Mikio, SUZUKI, Yoshio

Journal:

The Japanese Journal of Pharmacology

Year:

1989

Language:

english

File:

PDF, 402 KB

english, 1989

88

Studies on antinephritic effect of TJ-8014, a new Japanese herbal medicine (3): Effects on crescentic-type anti-GBM nephritis in rats.

HATTORI, Tomohisa, ITO, Mikio, NAGAMATSU, Tadashi, SUZUKI, Yoshio

Journal:

The Japanese Journal of Pharmacology

Year:

1990

Language:

english

File:

PDF, 582 KB

english, 1990

89

Studies on the Antinephritic Effects of Plant Components (6): Antinephritic Effects and Mechanisms of Phellodendrine (OB-5) on Crescentic-Type Anti-GBM Nephritis in Rats (2).

Hattori, Tomohisa, Furuta, Kazuya, Hayashi, Kazumi, Nagamatsu, Tadashi, Ito, Mikio, Suzuki, Yoshio

Journal:

The Japanese Journal of Pharmacology

Year:

1992

Language:

english

File:

PDF, 544 KB

english, 1992

90

Acteoside, a Component of Stachys Sieboldii MIQ, May Be a Promising Antinephritic Agent: Effect of Acteoside on Crescentic-Type Anti-GBM Nephritis in Rats.

Hayashi, Kazumi, Nagamatsu, Tadashi, Ito, Mikio, Hattori, Tomohisa, Suzuki, Yoshio

Journal:

The Japanese Journal of Pharmacology

Year:

1994

Language:

english

File:

PDF, 850 KB

english, 1994

91

Toxoflavin Produced by Burkholderia glumae Causing Rice Grain Rot Is Responsible for Inducing Bacterial Wilt in Many Field Crops

Jeong, Yeonhwa, Kim, Jinwoo, Kim, Suhyun, Kang, Yongsung, Nagamatsu, Tomohisa, Hwang, Ingyu

Journal:

Year:

2003

Language:

english

File:

PDF, 465 KB

english, 2003

92

Cyclization reactions of some 5-nitro- and 5-nitroso-6- benzylidenehydraziouracils.

YONEDA, FUMIO, NAGAMATSU, TOMOHISA

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1975

File:

PDF, 543 KB

1975

93

A convenient synthesis of toxoflavins, toxoflavin 4-oxides and 1-demethyltoxoflavins.

YONEDA, FUMIO, NAGAMATSU, TOMOHISA

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1975

File:

PDF, 791 KB

1975

94

New syntheses of alloxazine 5-oxides and fervenulin 4-osides by the nitrative cyclization.

SAKUMA, YOSHIHARU, MATSUMOTO, SHIGERU, NAGAMATSU, TOMOHISA, YONEDA, FUMIO

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1976

File:

PDF, 535 KB

1976

95

Studies on antinephritic effects of plant components. (5). Effects of pherodendrin on original and crescentic-type anti-GBM nephritis in rats.

HATTORI, Tomohisa, YAMADA, Satoko, FURUTA, Kazuya, NAGAMATSU, Tadashi, ITO, Mikio, SUZUKI, Yoshio

Journal:

Folia Pharmacologica Japonica

Year:

1992

File:

PDF, 7.07 MB

1992

96

Studies on the Antinephritic Effect of Plant Components. (4). Reduction of Protein Excretion by Berberine and Coptisine in Rats with Original-Type Anti-GBM Nephritis.

Hattori, Tomohisa, Furuta, Kazuya, Nagao, Toshiyuki, Nagamatsu, Tadashi, Ito, Mikio, Suzuki, Yoshio

Journal:

The Japanese Journal of Pharmacology

Year:

1992

Language:

english

File:

PDF, 756 KB

english, 1992

97

Studies on antinephritic effect of TJ-8014, a new Japanese herbal medicine, and its mechanisms. (1): Effects on original-type anti-GBM nephritis in rats and platelet aggregation.

HATTORI, Tomohisa, NAGAMATSU, Tadashi, ITO, Mikio, SUZUKI, Yoshio

Journal:

The Japanese Journal of Pharmacology

Year:

1989

Language:

english

File:

PDF, 548 KB

english, 1989

98

Acteoside, a Component of Stachys Sieboldii MIQ, May Be a Promising Antinephritic Agent (2): Effect of Acteoside on Leukocyte Accumulation in the Glomeruli of Nephritic Rats.

Hayashi, Kazumi, Nagamatsu, Tadashi, Ito, Mikio, Hattori, Tomohisa, Suzuki, Yoshio

Journal:

The Japanese Journal of Pharmacology

Year:

1994

Language:

english

File:

PDF, 632 KB

english, 1994

99

The Possible Roles of Hyperlipidemia and Mononuclear Cells in Glomeruli in Puromycin Aminonucleoside Nephrosis in Rats.

Hattori, Tomohisa, Nagamatsu, Tadashi, Ito, Mikio, Suzuki, Yoshio

Journal:

The Japanese Journal of Pharmacology

Year:

1996

Language:

english

File:

PDF, 580 KB

english, 1996

100

ChemInform Abstract: A NEW SYNTHESIS OF PYRIMIDO(4,5-E)-AS-TRIAZINE 4-OXIDES BY NITROSATIVE CYCLIZATION OF ALDEHYDE URACIL-6-YLHYDRAZONES IN THE PRESENCE OF DIETHYL AZODIFORMATE

YONEDA, FUMIO, NAGAMATSU, TOMOHISA, SHINOMURA, KAZUKO

Journal:

Chemischer Informationsdienst

Year:

1976

File:

PDF, 198 KB

1976

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