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1

ChemInform Abstract: Preparation of New Nitrogen-Bridged Heterocycles. Part 45. Smooth Hydrolysis of 6-Membered Heterocyclic 2-Imines with Partial Aromaticity.

Akikazu Kakehi, Suketaka Ito, Hiroyuki Suga, Satoshi Takano, Kazuyuki Hirata

Journal:

Année:

1999

Fichier:

PDF, 30 KB

1999

2

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:

Année:

1999

Fichier:

PDF, 33 KB

1999

3

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:

Année:

2000

Fichier:

PDF, 32 KB

2000

4

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:

Année:

2000

Fichier:

PDF, 34 KB

2000

5

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

Akikazu Kakehi, Suketaka Ito, Hoh Sa

Journal:

Année:

2000

Fichier:

PDF, 34 KB

2000

6

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

Akikazu Kakehi, Suketaka Ito, Kazuyuki Hirata, Peng Zuo

Journal:

Année:

2000

Fichier:

PDF, 31 KB

2000

7

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:

Année:

2001

Langue:

english

Fichier:

PDF, 39 KB

english, 2001

8

ChemInform Abstract: Preparation of New Nitrogen-Bridged Heterocycles. Part 50. Syntheses of Some Heterocyclic Compounds Starting from Pyridinium 1-(Ethoxycarbonylacetyl)methylides.

Akikazu Kakehi, Suketaka Ito, Hiroyuki Suga, Katsuaki Yasuraoka

Journal:

Année:

2001

Fichier:

PDF, 34 KB

2001

9

ChemInform Abstract: Stereocontrol in a Ytterbium Triflate Catalyzed 1,3-Dipolar Cycloaddition Reaction of Carbonyl Ylide with N-Substituted Maleimides and Dimethyl Fumarate.

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

Journal:

Année:

2001

Fichier:

PDF, 37 KB

2001

10

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:

Année:

2002

Fichier:

PDF, 29 KB

2002

11

Asymmetric Cyclopropanation and Aziridination Reactions of Olefins Catalyzed by Cu(I)-Binaphthyldiimine Complexes.

Hiroyuki Suga, Akikazu Kakehi, Suketaka Ito, Toshikazu Ibata, Tomomi Fudo, Yuzuru Watanabe, Yoshinori Kinoshita

Journal:

Année:

2003

Fichier:

PDF, 212 KB

2003

12

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

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

Journal:

Année:

2003

Fichier:

PDF, 20 KB

2003

13

Preparation of New Nitrogen-Bridged Heterocycles. Part 55. Reinvestigation of the Bromination/Dehydrobromination of Ethyl 3-[2-(Methylthio)indolizin-3-yl]acrylate Derivatives.

Akikazu Kakehi, Suketaka Ito, Hiroyuki Suga, Yuhichi Kobayashi, Peng Zuo, Ryozo Iriye

Journal:

Année:

2004

Langue:

english

Fichier:

PDF, 151 KB

english, 2004

14

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:

Année:

2005

Fichier:

PDF, 19 KB

2005

15

Enantio- and Diastereoselectivity in 1,3-Dipolar Cycloaddition Reactions of Nitrones with 3-Crotonoyl-2-oxazolidinone Catalyzed by Ni(II)-Binaphthyldiimine Complexes.

Hiroyuki Suga, Akikazu Kakehi, Suketaka Ito, Hiroaki Sugimoto

Journal:

Année:

2003

Langue:

english

Fichier:

PDF, 306 KB

english, 2003

16

Preparation of new nitrogen-bridged heterocycles. Reaction of pyridinium N-imines with .alpha.-haloacrylates in the presence of alkali

Kakehi, Akikazu, Ito, Suketaka

Journal:

Journal of Organic Chemistry

Année:

1974

Langue:

english

Fichier:

PDF, 493 KB

english, 1974

17

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

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

Journal:

Organic Letters

Année:

2000

Langue:

english

Fichier:

PDF, 43 KB

english, 2000

18

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

Année:

1980

Langue:

english

Fichier:

PDF, 695 KB

english, 1980

19

Preparation of new nitrogen-bridged heterocycles. Reaction of pyridinium N-imines with azirine derivatives

Kakehi, Akikazu., Ito, Suketaka., Manabe, Takashi., Amano, Hideki., Shimaoka, Yoshiharu.

Journal:

Journal of Organic Chemistry

Année:

1976

Langue:

english

Fichier:

PDF, 513 KB

english, 1976

20

Preparation of New Nitrogen-Bridged Heterocycles. 43. 1 Synthesis and Reaction of 5a H -Pyrido[1,2- d ][1,3,4]thiadiazepine Derivatives

Kakehi, Akikazu, Ito, Suketaka, Ishida, Fumihito, Tominaga, Yoshinori

Journal:

Journal of Organic Chemistry

Année:

1997

Langue:

english

Fichier:

PDF, 165 KB

english, 1997

21

Thermal and photochemical behavior of sterically hindered N-vinyliminopyridinium ylides

Kakehi, Akikazu., Ito, Suketaka., Funahashi, Takahisa., Ota, Yoshio.

Journal:

Journal of Organic Chemistry

Année:

1976

Langue:

english

Fichier:

PDF, 586 KB

english, 1976

22

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

Année:

1982

Langue:

english

Fichier:

PDF, 394 KB

english, 1982

23

Synthesis using allylidenedihydropyridines. 4. Novel synthetic methods for indolizine derivatives

Kakehi, Akikazu, Ito, Suketaka, Maeda, Toshiaki, Takeda, Ryoichi, Nishimura, Masao, Tamashima, Masato, Yamaguchi, Tetsuya

Journal:

Journal of Organic Chemistry

Année:

1978

Langue:

english

Fichier:

PDF, 514 KB

english, 1978

24

Synthesis of 2H-pyrido[1,2-b]-as-triazines using azirines generated by modified Neber reactions

Kakehi, Akikazu, Ito, Suketaka, Manabe, Takashi, Maeda, Toshiaki, Imai, Kazuhiko

Journal:

Journal of Organic Chemistry

Année:

1977

Langue:

english

Fichier:

PDF, 550 KB

english, 1977

25

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

Année:

1978

Langue:

english

Fichier:

PDF, 596 KB

english, 1978

26

Thermolysis and photolysis of various N-imidoyliminopyridinium ylides

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

Journal:

Journal of Organic Chemistry

Année:

1977

Langue:

english

Fichier:

PDF, 679 KB

english, 1977

27

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

Année:

1971

Langue:

english

Fichier:

PDF, 294 KB

english, 1971

28

Reaction of pyridinium N-imines with 2-phenylazirine

Kakehi, Akikazu, Ito, Suketaka, Manabe, Takashi

Journal:

Journal of Organic Chemistry

Année:

1975

Langue:

english

Fichier:

PDF, 122 KB

english, 1975

29

Meningoencephalopathy as a clinical manifestation of Epstein-Barr virus-associated hemophagocytic syndrome

Koizumi, Kenzo, Tsukada, Yuiko, Ito, Daisuke, Momoshima, Suketaka, Okamoto, Shinichiro, Suzuki, Norihiro

Journal:

Neurology and Clinical Neuroscience

Année:

2013

Langue:

english

Fichier:

PDF, 179 KB

english, 2013

30

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

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

Journal:

Année:

1991

Langue:

english

Fichier:

PDF, 171 KB

english, 1991

31

Reaction of Aryl Bromomethyl Ketone Phenylsulfonylhydrazones with Benzylideneaniline

Ito, Suketaka, Kakehi, Akikazu, Okada, Kyoko, Goto, Saori, Kawaguchi, Hiroshige

Journal:

Année:

1997

Langue:

english

Fichier:

PDF, 164 KB

english, 1997

32

Degradational Cyclization of a-[2-Phenyl-2-(phenylsulfonylhydrazono)ethyl]phenacylidenetriphenylphosphoranes to 3,6-Diphenylpyridazines and 5-Benzoyl-3-phenylpyrazoles

Ito, Suketaka, Kakehi, Akikazu, Okada, Kyoko

Journal:

Année:

1999

Langue:

english

Fichier:

PDF, 284 KB

english, 1999

33

An Unsaturated Cyclic Alcohol in the Nonsaponifiable Matter of the Liver Oil of the Crab, Paralithodes Camtschatica

Ito, Suketaka, Toyama, Yoshiyuki

Journal:

Bulletin of the Chemical Society of Japan

Année:

1963

Langue:

english

Fichier:

PDF, 9.10 MB

english, 1963

34

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

Ito, Suketaka, Narusawa, Toshiaki

Journal:

Bulletin of the Chemical Society of Japan

Année:

1970

Fichier:

PDF, 242 KB

1970

35

The Dehydration of Alcohols to Ethers or Olefins with Triphenyl[(phenylcarbamoyl)methyl]phosphonium Inner Salt

Ito, Suketaka, Sugiura, Shigetsugu

Journal:

Bulletin of the Chemical Society of Japan

Année:

1971

Fichier:

PDF, 438 KB

1971

36

The Reaction of β-Lactones with Acid Chlorides Catalyzed by Aluminum Chloride

Nakabayashi, Tadaaki, Tanaka, Yumo, Ito, Suketaka

Journal:

Bulletin of the Chemical Society of Japan

Année:

1973

Fichier:

PDF, 791 KB

1973

37

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

Année:

1976

Fichier:

PDF, 489 KB

1976

38

Synthesis Using Pyridinium N -Ylides. I. Synthesis and Some Reactions of Substituted 1-(Acetylimino)pyridinium Ylides

Kakehi, Akikazu, Ito, Suketaka, Konno, Yoshiaki, Maeda, Toshiaki

Journal:

Bulletin of the Chemical Society of Japan

Année:

1978

Fichier:

PDF, 771 KB

1978

39

The Reaction of N -(Phenylsulfonyl)benzohydrazonoyl Chloride with Enamines

Ito, Suketaka, Tanaka, Yumo, Kakehi, Akikazu, Matsuno, Toshiyuki

Journal:

Bulletin of the Chemical Society of Japan

Année:

1978

Fichier:

PDF, 349 KB

1978

40

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

Année:

1977

Fichier:

PDF, 643 KB

1977

41

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

Année:

1980

Fichier:

PDF, 406 KB

1980

42

Facile Dehydrogenative Dimerization of Indolizine Derivatives

Kakehi, Akikazu, Ito, Suketaka, Hamaguchi, Akihiro, Okano, Tsutomu

Journal:

Bulletin of the Chemical Society of Japan

Année:

1981

Fichier:

PDF, 296 KB

1981

43

Preparation of New Nitrogen-bridged Heterocydes. 8. Syntheses of Some Fused Indolizine Derivatives via the Acid-catalyzed Cyclizations of Functionalized 1- and 3-Vinylindolizines

Kakehi, Akikazu, Ito, Suketaka, Murakami, Shinji, Sano, Hiroaki

Journal:

Bulletin of the Chemical Society of Japan

Année:

1984

Fichier:

PDF, 825 KB

1984

44

Base-induced Dehydrosulfinatocyclization of N -Alkyl- N -phenylsulfonyl- N ″-arylbenzamidrazones to 3,4-Diaryl-4 H -1,2,4-triazoles

Ito, Suketaka, Tanaka, Yumo, Kakehi, Akikazu

Journal:

Bulletin of the Chemical Society of Japan

Année:

1984

Fichier:

PDF, 634 KB

1984

45

Preparation of New Nitrogen-bridged Heterocycles. 7. Reactions of 3-[Bis(methylthio)methylene]-2(3 H )-indolizinones with Some Pyridinium N -Aminides

Kakehi, Akikazu, Ito, Suketaka, Wada, Bunzo

Journal:

Bulletin of the Chemical Society of Japan

Année:

1984

Fichier:

PDF, 328 KB

1984

46

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

Année:

1987

Fichier:

PDF, 1.42 MB

1987

47

Preparation of New Nitrogen-Bridged Heterocycles. 27. First Syntheses of 1,3-Thiazino[6,5- b ]indolizine Derivatives

Kakehi, Akikazu, Ito, Suketaka, Sakurai, Tosio, Urushido, Kunio, Isawa, Hidetoshi, Enomoto, Manabu

Journal:

Bulletin of the Chemical Society of Japan

Année:

1991

Fichier:

PDF, 798 KB

1991

48

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

Année:

1995

Fichier:

PDF, 1.49 MB

1995

49

Preparation of New Nitrogen-Bridged Heterocycles. 28. First Syntheses of 1,3-Oxazino[6,5- b ]indolizine Derivatives

Kakehi, Akikazu, Ito, Suketaka, Sakurai, Tosio, Urushido, Kunio, Hatanaka, Susumu, Sugiura, Kouji

Journal:

Bulletin of the Chemical Society of Japan

Année:

1991

Fichier:

PDF, 780 KB

1991

50

A NOVEL ETHER FORMATION REACTION VIA CHLOROACETYLHYDRAZONES

Journal:

Chemistry Letters

Année:

1972

Langue:

english

Fichier:

PDF, 2.82 MB

english, 1972