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51

Synthesis using allylidenedihydropyridines. 9. First preparation of thiino[3,2-a]indolizine derivatives

Kakehi, Akikazu, Ito, Suketaka, Ohizumi, Tsuyoshi, Maeda, Toshiaki

Journal:

Journal of Organic Chemistry

Year:

1982

Language:

english

File:

PDF, 394 KB

english, 1982

52

Preparation of Stable 2,3-Dihydroindolizines by the Reactions of Pyridinium Methylides with Various Acrylates

Kakehi, Akikazu, Ito, Suketaka

Journal:

Bulletin of the Chemical Society of Japan

Year:

1974

File:

PDF, 517 KB

1974

53

Preparation of new nitrogen-bridged heterocycles. XXIII. Syntheses and reactions of pyrazolo(1,5-a)pyridine-2-thiols. (1).

KAKEHI, Akikazu, ITO, Suketaka, ISAWA, Hidetoshi, TAKASHIMA, Tsuneaki

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1990

File:

PDF, 640 KB

1990

54

Pyrolyses of Benzyl and Furfuryl Acetoacetate

ITO, Suketaka, IMAI, Hitoshi

Journal:

The Journal of the Society of Chemical Industry Japan

Year:

1971

File:

PDF, 396 KB

1971

55

ChemInform Abstract: Preparation of New Nitrogen-Bridged Heterocycles. Part 46. Selective Formation of 4(1H)-8,8a-Dihydro-1,4-thiazino[3,4,5-cd]indolizinone and (E)-3-(1,3-Oxathiol-2-ylidene)2-(3H)-indolizinone Derivatives.

Akikazu Kakehi, Suketaka Ito, Hiroyuki Suga, Toshiyuki Kobayashi, Susuma Hatanaka

Journal:

Year:

1999

File:

PDF, 33 KB

1999

56

ChemInform Abstract: Stereocontrol in Rare Earth Metal Triflate-Catalyzed 1,3-Dipolar Cycloaddition Reaction of 2-Benzopyrylium-4-olate with Aldehydes.

Hiroyuki Suga, Akikazu Kakehi, Suketaka Ito, Kei Inoue, Hajime Ishida, Toshikazu Ibata

Journal:

Year:

2001

Language:

english

File:

PDF, 39 KB

english, 2001

57

Synthesis using allylidenedihydropyridines. 3. Synthesis and thermolysis of functionalized 2-allylidene-1,2-dihydropyridines

Kakehi, Akikazu, Ito, Suketaka, Uchiyama, Kenji, Kondo, Kenji

Journal:

Journal of Organic Chemistry

Year:

1978

Language:

english

File:

PDF, 596 KB

english, 1978

58

The Reaction of N -(Phenylsulfonyl)benzohydrazonoyl Chloride with N -Substituted Benzamidines, with Benzimidates, and with 2-Aminopyridines

Ito, Suketaka, Tanaka, Yumo, Kakehi, Akikazu, Miyazawa, Hirotaka

Journal:

Bulletin of the Chemical Society of Japan

Year:

1977

File:

PDF, 643 KB

1977

59

Separation and Structure Determination of the Eicosatrienoic and Eicosadienoic Acids in the Seed Oil of Podocarpus Nagi

ITO, Suketaka, TOYAMA, Yoshiyuki

Journal:

Nippon kagaku zassi

Year:

1963

File:

PDF, 113 KB

1963

60

The Relationship between Structure and Retention Volume in the Gas Chromatography of Acetic and Benzoic Esters

ITO, Suketaka, IMAI, Hitoshi

Journal:

The Journal of the Society of Chemical Industry Japan

Year:

1971

File:

PDF, 376 KB

1971

61

ChemInform Abstract: Preparation of New Nitrogen-Bridged Heterocycles. Part 47. Reactions of 2-Indolizinethiolates with Acetylenic Compounds.

Akikazu Kakehi, Suketaka Ito, Hiroyuki Suga, Hiroyuki Takehashi, Kazuhiro Dobashi

Journal:

Year:

2000

File:

PDF, 34 KB

2000

62

Base-Induced Generation of Aryl(1,2,3-triazol-1-yl)carbenes from 1-[(N-Phenylsulfonyl)benzohydrazonoyl]-1,2,3-triazoles and Their Ring Enlargement to 3-Aryl-1,2,4-triazines.

Yuumo Tanaka, Shuji Oda, Suketaka Ito, Akikazu Kakehi

Journal:

Year:

2005

File:

PDF, 19 KB

2005

63

Reaction of a-Bromoacetophenone Phenylsulfonylhydrazones. A New Synthetic Route to 2-Arylimidazoisoquinolines and -quinolines

Ito, Suketaka, Ito, Suketaka, Kakehi, Akikazu, Miwa, Toshikazu

Journal:

Year:

1991

Language:

english

File:

PDF, 171 KB

english, 1991

64

Regiospecific Formations of Thieno[3,2- a ]indolizine and Thieno[2,3- b ]indolizine Derivatives

Kakehi, Akikazu, Ito, Suketaka, Matsumoto, Shin-ichi, Morimoto, Yuichiro

Journal:

Chemistry Letters

Year:

1987

Language:

english

File:

PDF, 5.53 MB

english, 1987

65

Preparation of New Nitrogen-bridged Heterocycles. 11. A New Synthetic Method of Pyrazolo[1,5- a ]pyridines from the Alkaline Treatment of 1-[(Acylmethylthio)methyleneamino]pyridinium Salts

Kakehi, Akikazu, Ito, Suketaka, Ito, Masayoshi, Yotsuya, Toshiaki, Nagata, Kenji

Journal:

Bulletin of the Chemical Society of Japan

Year:

1985

File:

PDF, 1.20 MB

1985

66

Stereoselective Halogenation in Friedel-Crafts Acylation of 1-Acetylindoline with Chiral 2-(Methanesulfonyloxy)propionyl Chlorides.

BAN, Masaaki, OKAZAKI, Kosuke, OZAWA, Motoyasu, KITAZAWA, Makio, KAKEHI, Akikazu, ITO, Suketaka

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1997

File:

PDF, 613 KB

1997

67

Preparation of New Nitrogen-Bridged Heterocycles. 48. Syntheses and Reactions of Ethyl 3-[2-(Methylthio)indolizin-3-yl]acrylate Derivatives.

KAKEHI, Akikazu, ITO, Suketaka, SA, Hoh

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1999

File:

PDF, 1020 KB

1999

68

ChemInform Abstract: SYNTHESIS OF 2,5-DIARYLTETRAZOLES FROM N-PHENYLSULFONYLBENZHYDRAZIDOYL CHLORIDES AND ARYLHYDRAZINES

ITO, SUKETAKA, TANAKA, YUMO, KAKEHI, AKIKAZU

Journal:

Chemischer Informationsdienst

Year:

1976

File:

PDF, 139 KB

1976

69

ChemInform Abstract: HYDRAZINDERIVATE 1. MITT. DARST. VON CHLORACETYLHYDRAZONEN

ITO, SUKETAKA, NARUSAWA, TOSHIAKI

Journal:

Chemischer Informationsdienst. Organische Chemie

Year:

1970

File:

PDF, 116 KB

1970

70

Preparation of New Nitrogen-bridged Heterocycles. 6. First Synthesis of 2-Aroylfuro[2,3- b ]indolizine Derivatives

Kakehi, Akikazu, Ito, Suketaka, Ohizumi, Tsuyoshi, Ito, Masayoshi

Journal:

Bulletin of the Chemical Society of Japan

Year:

1983

File:

PDF, 652 KB

1983

71

ChemInform Abstract: PYROLYSE DER GRIGNARDRK.-PRODUKTE VON BENZOLSULFONYLAZID

ITO, SUKETAKA, HIRABAYASHI, TAKASHI, MATSUMOTO, KIYOAKI

Journal:

Chemischer Informationsdienst. Organische Chemie

Year:

1970

File:

PDF, 208 KB

1970

72

Synthesis Using Allylidenedihydropyridines. VIII. Facile Preparation of 2-Alkylthio-3-vinylpyrazolo[1,5-a]pyridines

Kakehi, Akikazu, Ito, Suketaka, Watanabe, Kozo

Journal:

Bulletin of the Chemical Society of Japan

Year:

1980

File:

PDF, 406 KB

1980

73

A NOVEL ETHER FORMATION REACTION VIA CHLOROACETYLHYDRAZONES

Journal:

Chemistry Letters

Year:

1972

Language:

english

File:

PDF, 2.82 MB

english, 1972

74

Preparation of New Nitrogen-Bridged Heterocycles. 40. Synthesis of 1,4-Dihydropyrido[2,3- b ]indolizin-4-one Derivatives

Kakehi, Akikazu, Ito, Suketaka, Hayashi, Shigetoshi, Fujii, Takashi

Journal:

Bulletin of the Chemical Society of Japan

Year:

1995

File:

PDF, 1.02 MB

1995

75

Preparation of new nitrogen-bridged heterocycles. XIV Further investigation of the desulfurization and the rearrangement of pyrido[1,2-d]-1,3,4-thiadiazine intermediates.

KAKEHI, AKIKAZU, ITO, SUKETAKA, NAGATA, KENJI, KINOSHITA, NAOSUMI, KAKINUMA, NOBORU

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1987

Language:

english

File:

PDF, 1.58 MB

english, 1987

76

Shifting of the Double Bond in Methyl Eicosapentaenoate during Hydrogenation

Fukuzumi, Kazuo, Ito, Suketaka, Yamamoto, Hiroshi

Journal:

The Journal of the Society of Chemical Industry Japan

Year:

1964

File:

PDF, 1.25 MB

1964

77

Fatty Oils of Aquatic Invertebrates. XXIV. Fatty Oils of the Ascidians, Sarcodidemnoides miskiense and Cynthia karasboja with a Particular Reference to their Sterols

ITO, Suketaka, TAKAGI, Toru, TOYAMA, Yoshiyuki

Journal:

Nippon kagaku zassi

Year:

1960

File:

PDF, 1020 KB

1960

78

Hydrazine derivatives. II. Formation of 1-phenyl-3-benzoyltriazene by the base-catalyzed condensation of nitrosobenzene with benzohydrazide

Ito, Suketaka, Fukuyama, Toshihiko

Journal:

Journal of Organic Chemistry

Year:

1971

Language:

english

File:

PDF, 294 KB

english, 1971

79

Preparation of New Nitrogen-Bridged Heterocycles. 38. Synthesis and Reaction of Dimethyl 6-Thia-3-azatricyclo[5.3.1.0 3,8 ]undeca-4,9-diene-7,11-dicarboxylates

Kakehi, Akikazu, Ito, Suketaka, Fujita, Shuichi

Journal:

Bulletin of the Chemical Society of Japan

Year:

1995

File:

PDF, 1.49 MB

1995

80

ZINC OXIDE-INDUCED DEHYDROCHLORO-CYCLOADDITION OF N -(PHENYLSULFONYL)BENZOHYDRAZONOYL CHLORIDE

Ito, Suketaka, Kakehi, Akikazu, Matsuno, Toshiyuki, Sasaki, Tadashi

Journal:

Chemistry Letters

Year:

1979

Language:

english

File:

PDF, 4.46 MB

english, 1979

81

Preparation of New Nitrogen-Bridged Heterocycles. 49. A New Access to Thieno[3,4-b]indolizine Derivatives.

KAKEHI, Akikazu, ITO, Suketaka, HIRATA, Kazuyuki, ZUO, Peng

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

2000

File:

PDF, 872 KB

2000

82

Preparation of New Nitrogen-Bridged Heterocycles. XXXIII. A New Preparative Method for Thieno(3,2-a)indolizines.

KAKEHI, Akikazu, ITO, Suketaka, UEDA, Tatsuya, TAKANO, Satoshi

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1993

File:

PDF, 585 KB

1993

83

ChemInform Abstract: PREPARATION OF STABLE 2,3-DIHYDROINDOLIZINES BY THE REACTIONS OF PYRIDINIUM METHYLIDES WITH VARIOUS ACRYLATES

KAKEHI, AKIKAZU, ITO, SUKETAKA

Journal:

Chemischer Informationsdienst

Year:

1974

File:

PDF, 196 KB

1974

84

ChemInform Abstract: Degradational Cyclization of α-[2-Phenyl-2-(phenylsulfonylhydrazono)ethyl] phenacylidenetriphenylphosphoranes to 3,6-Diphenylpyridazines and 5-Benzoyl-3-phenylpyrazoles.

Suketaka Ito, Akikazu Kakehi, Kyoko Okada

Journal:

Year:

2000

File:

PDF, 32 KB

2000

85

ChemInform Abstract: Preparation of New Nitrogen-Bridged Heterocycles. Part 51. Syntheses and Structures of Compounds Having Two Indolizine Nuclei in a Molecule.

Akikazu Kakehi, Suketaka Ito, Hiroyuki Suga, Shinji Sakurai, Tomoshige Kobayashi

Journal:

Year:

2002

File:

PDF, 29 KB

2002

86

Reaction of 1-Alkylpyridinium Salts Carrying a Methyl or an Amino Group at the 2- or 4-Position with Activated Ethoxymethylene Compounds in the Presence of Alkali

Kakehi, Akikazu, Ito, Suketaka, Funahashi, Takahisa, Ogasawara, Norio

Journal:

Bulletin of the Chemical Society of Japan

Year:

1976

File:

PDF, 489 KB

1976

87

Preparation of New Nitrogen-Bridged Heterocycles. 15. Synthesis and Reaction of 1,9a-Dihydropyrido[2,1- c ][1,4]thiazines

Kakehi, Akikazu, Ito, Suketaka, Yonezu, Shingo, Maruta, Katsunori, Yuito, Kazuhiro, Shiohara, Morio, Adachi, Kyoko

Journal:

Bulletin of the Chemical Society of Japan

Year:

1987

File:

PDF, 1.42 MB

1987

88

Preparation of New Nitrogen-Bridged Heterocydes. 18. Facile Formations of 3-Arylpyrazolo[1,5- a ]pyridines and 1-Arylindolizines

Kakehi, Akikazu, Ito, Suketaka, Kinoshita, Naosumi, Abaka, Yukio

Journal:

Bulletin of the Chemical Society of Japan

Year:

1988

File:

PDF, 938 KB

1988

89

CONVENIENT SYNTHETIC METHODS OF SOME FUNCTIONALIZED INDOLIZINES

Kakehi, Akikazu, Ito, Suketaka, Maeda, Toshiake, Takeda, Ryoichi, Nishimura, Masao, Yamaguchi, Tetsuya

Journal:

Chemistry Letters

Year:

1978

Language:

english

File:

PDF, 3.17 MB

english, 1978

90

Clinical Efficacy of Istradefylline for Depression in Parkinson’s Disease

Ito, isashi, Fukutake, Shigeru, Odake, Sanae, Kawada, Junya, Iwanaga, Suketaka

Journal:

Journal of Neurology and Neuroscience

Year:

2018

Language:

english

File:

PDF, 379 KB

english, 2018

91

Preparation of new nitrogen-bridged heterocycles. Synthesis and some reactions of 2,3-dihydroindolizin-2-one derivatives

Kakehi, Akikazu, Ito, Suketaka, Watanabe, Kozo, Kitagawa, Masahiko, Takeuchi, Sadafumi, Hashimoto, Toshio

Journal:

Journal of Organic Chemistry

Year:

1980

Language:

english

File:

PDF, 695 KB

english, 1980

92

Preparation of New Nitrogen-Bridged Heterocycles. 19. Smooth Syntheses of Thieno[3,2- a ]- and Thieno[2,3- b ]indolizine Derivatives

Kakehi, Akikazu, Ito, Suketaka, Fujii, Tuneo, Morimoto, Yuichiro, Matsumoto, Shin-ichi, Shiohara, Morio

Journal:

Bulletin of the Chemical Society of Japan

Year:

1989

File:

PDF, 1.05 MB

1989

93

Preparation of New Nitrogen-Bridged Heterocycles. 25. A Smooth Synthesis of [1,4]Thiazino[3,4,5- cd ]indolizine Derivatives

Kakehi, Akikazu, Ito, Suketaka, Fujii, Tsuneo, Sakurai, Tosio, Urushido, Kunio, Hatanaka, Susumu, Mabuchi, Toshiaki, Matsushita, Shun-ichiro

Journal:

Bulletin of the Chemical Society of Japan

Year:

1990

File:

PDF, 860 KB

1990

94

Preparation of New Nitrogen-Bridged Heterocycles. 36. Synthesis and Reaction of Dimethyl 4-Thia-1-azatetracyclo[5.4.0.0 5,11 .0 6,8 ]undeca-2,9-diene-5,6-dicarboxylate Derivatives

Kakehi, Akikazu, Ito, Suketaka, Mitani, Michiharu, Kanaoka, Masamichi

Journal:

Bulletin of the Chemical Society of Japan

Year:

1994

File:

PDF, 1.09 MB

1994

95

Preparation of New Nitrogen-Bridged Heterocycles. 29. Reinvestigation on the Dehydrogenation Reaction of 5,5a-Dihydropyrido[2,1- c ]thieno[3,2- e ][1,4]thiazine Derivatives

Kakehi, Akikazu, Ito, Suketaka, Hakui, Jun-ichi, Fukazawa, Hiroaki

Journal:

Bulletin of the Chemical Society of Japan

Year:

1992

File:

PDF, 970 KB

1992

96

Preparation of New Nitrogen-Bridged Heterocycles. 35. Smooth Synthesis of 10a H -Pyrido[1,2- d ][1,4]thiazepine Derivatives

Kakehi, Akikazu, Ito, Suketaka, Hakui, Jun-ichi

Journal:

Bulletin of the Chemical Society of Japan

Year:

1993

File:

PDF, 861 KB

1993

97

Preparation of new nitrogen-bridged heterocycles. XXIV. Syntheses and reactions of pyrazolo(1,5-a)pyridine-2-thiols. (2).

KAKEHI, Akikazu, ITO, Suketaka, SAKURAI, Tosio, URUSHIDO, Kunio, ISAWA, Hidetoshi, TAKASHIMA, Tsuneaki

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1990

File:

PDF, 925 KB

1990

98

Preparation of New Nitrogen-Bridged Heterocycles. 51. Syntheses and Structures of Compounds Having Two Indolizine Nuclei in a Molecule

KAKEHI, Akikazu, ITO, Suketaka, SUGA, Hiroyuki, SAKURAI, Shinji, KOBAYASHI, Tomoshige

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

2001

Language:

english

File:

PDF, 93 KB

english, 2001

99

Studies of Hydrazine Derivatives. I. A Convenient Method of Preparing Chloroacetylhydrazones

Ito, Suketaka, Narusawa, Toshiaki

Journal:

Bulletin of the Chemical Society of Japan

Year:

1970

File:

PDF, 242 KB

1970

100

Preparation of New Nitrogen-Bridged Heterocycles. 53. Syntheses of 3-(Benzylthio)thieno[3,4-b]indolizine Derivatives and Their Intramolecular Arene–Arene Interactions

Kakehi, Akikazu, Ito, Suketaka, Suga, Hiroyuki, Miwa, Takeyuki, Mori, Takashi, Fujii, Tsuneo, Tanaka, Nobuaki, Kobayashi, Tomoshige

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

2003

Language:

english

File:

PDF, 404 KB

english, 2003

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