Yohmei Okuno : rechercher sur Z-Library

Le plus grand référentiel d'articles scientifiques au monde. 70,000,000+ d'articles gratuitement.

Don't use scam websites

Livres
Articles (43)
Les plus populaires
Liste
- Liste
- Tableau

1

Visible Light-induced Oxygen Generation and Cyclic Water Cleavage Sensitized by Porphyrins

Enrico Borgarello, Kuppuswamy Kalyanasundaram, Yohmei Okuno, Michael Grätzel

Journal:

Helvetica Chimica Acta

Année:

1981

Langue:

english

Fichier:

PDF, 340 KB

english, 1981

2

Electron spin resonance of Pt(III) in anticancer platinum pyrimidine green

Toshimasa Uemura, Takenori Tomohiro, Kikuko Hayamizu, Yohmei Okuno

Journal:

Chemical Physics Letters

Année:

1987

Langue:

english

Fichier:

PDF, 302 KB

english, 1987

3

Preparation of Fe4S4 iron-sulphur protein analogues with hydrophobic macrocyclic tetrathiol ligand anchored to a 38-membered cyclophane type skeleton

Kouichi Uoto, Takenori Tomohiro, Hiroaki (Yohmei) Okuno

Journal:

Inorganica Chimica Acta

Année:

1990

Langue:

english

Fichier:

PDF, 445 KB

english, 1990

4

HPLC behavior and cytotoxic activity against mouse leukemia L1210 cells of platinum pyrimidine greens

Takehiko Shimura, Takenori Tomohiro, Tomoko Okada, Hiroaki (Yohmei) Okuno

Journal:

Inorganica Chimica Acta

Année:

1990

Langue:

english

Fichier:

PDF, 214 KB

english, 1990

5

13C and 195Pt NMR of anticancer platinum pyrimidine greens

Toshimasa Uemura, Takehiko Shimura, Hiroshi Nakanishi, Takenori Tomohiro, Yoshinobu Nagawa, Hiroaki (Yohmei) Okuno

Journal:

Inorganica Chimica Acta

Année:

1991

Langue:

english

Fichier:

PDF, 307 KB

english, 1991

6

Spectral evidence for stepwise ligand substitution on 4Fe4S clusters

Takenori Tomohiro, Masato Kodaka, Hiroaki (Yohmei) Okuno

Journal:

Inorganica Chimica Acta

Année:

1993

Langue:

english

Fichier:

PDF, 229 KB

english, 1993

7

Antitumor activity in association with thermochromic change of platinum pyrimidine greens against murine and human tumor cells

Tomoko Okada, Takehiko Shimura, Hiroaki (Yohmei) Okuno

Journal:

Inorganica Chimica Acta

Année:

1990

Langue:

english

Fichier:

PDF, 295 KB

english, 1990

8

Photochemical synthesis of 1,2,3,4-tetrahydroisoquinolin-3-ones from N-chloroacetylbenzylamines

Masaki Ikeda, Ken-ichi Hirao, Yohmei Okuno, Naganori Numao, Osamu Yonemitsu

Journal:

Année:

1977

Langue:

english

Fichier:

PDF, 793 KB

english, 1977

9

Photocylization of N-choloroacetyl-3-methoxyphenethylamine. Viscosity dependence of formation of the ten-membered lactam

Yohmei Okuno, Osamu Yonemitsu

Journal:

Tetrahedron Letters

Année:

1974

Langue:

english

Fichier:

PDF, 218 KB

english, 1974

10

Photocyclization of N-chloroacetylbenzylamines to isoquinoline derivatives

Masaki Ikeda, Ken-ichi Hirao, Yohmei Okuno, Osamu Yonemitsu

Journal:

Tetrahedron Letters

Année:

1974

Langue:

english

Fichier:

PDF, 98 KB

english, 1974

11

Photochemical Formation Of Pyrroloindole Skeleton from N-Chloroacetyl-2,5-Dimethoxyphenethylamine

Yohmei Okuno, Masatoshi Kawamori, Osamu Yonemitsu

Journal:

Tetrahedron Letters

Année:

1973

Langue:

english

Fichier:

PDF, 198 KB

english, 1973

12

Synthesis and characterization of Fe4S4 clusters with a crown ether skeleton

Takenori Tomohiro, Hiroaki (Yohmei) Okuno

Journal:

Inorganica Chimica Acta

Année:

1993

Langue:

english

Fichier:

PDF, 616 KB

english, 1993

13

Preparation of large macrocyclic tetra-amines consisting of a methylene backbone and a cyclophane type skeleton

Kouichi Uoto, Takenori Tomohiro, Hiroaki (Yohmei) Okuno

Journal:

Journal of Heterocyclic Chemistry

Année:

1990

Fichier:

PDF, 377 KB

1990

14

Synthesis of large macrocyclic tetraaza compounds with a methylene backbone: Cyclo[-NH- (CH2)n-]4, (n = 6, 7, 8, 9 and 10). The formation of 28-, 32-, 36-, 40- and 44-membered rings

Takenori Tomohiro, Kouichi Uoto, Hiroaki (Yohmei) Okuno

Journal:

Journal of Heterocyclic Chemistry

Année:

1990

Fichier:

PDF, 612 KB

1990

15

Use of inclusion complexes of hydrophibic viologens with cyclodextrin to protect the pyridinium moiety from hydrogenation in photochemical hydrogen formation

Okuno, Yohmei, Chiba, Yukihiro, Yonemitsu, Osamu

Journal:

Journal of the Chemical Society Chemical Communications

Année:

1984

Langue:

english

Fichier:

PDF, 222 KB

english, 1984

16

The mechanism of the mitsunobu reaction and its application to CO2 fixation

Kodaka, Masato, Tomohiro, Takenori, Okuno, Hiroaki (Yohmei)

Journal:

Journal of the Chemical Society Chemical Communications

Année:

1993

Langue:

english

Fichier:

PDF, 241 KB

english, 1993

17

Photocyclization of pharmacodynamic amines. IV. Novel heterocycles from N-chloroacetyl-3,4-dimethoxyphenethylamine

Yonemitsu, Osamu., Okuno, Yohmei., Kanaoka, Yuichi., Witkop, Bernhard.

Journal:

Journal of the American Chemical Society

Année:

1970

Langue:

english

Fichier:

PDF, 598 KB

english, 1970

18

Photocyclizations of pharmacodynamic amines. II. X-ray analysis of a noncentrosymmetric tetracyclic indole

Yonemitsu, Osamu., Okuno, Yohmei., Kanaoka, Yuichi., Karle, Isabella L., Witkop, Bernhard.

Journal:

Journal of the American Chemical Society

Année:

1968

Langue:

english

Fichier:

PDF, 202 KB

english, 1968

19

Synthesis of tetranuclear iron?sulphur protein analogues with tetrathiol ligands attached to macrocycles which provide intramolecular hydrophobic domains

Okuno, Hiroaki (Yohmei), Uoto, Kouichi, Tomohiro, Takenori, Youinou, Marie-Th�r�se

Journal:

Journal of the Chemical Society Dalton Transactions

Année:

1990

Langue:

english

Fichier:

PDF, 1.04 MB

english, 1990

20

Stabilising effects on the 4Fe?4S core analogues for high-potential iron?sulphur proteins with a hydrophobic environment provided by macrocycles

Okuno, Yohmei, Uoto, Kouichi, Yonemitsu, Osamu, Tomohiro, Takenori

Journal:

Journal of the Chemical Society Chemical Communications

Année:

1987

Langue:

english

Fichier:

PDF, 251 KB

english, 1987

21

Macrocyclic tetranuclear clusters with 28-, 32-, 36-, 40-, and 44-membered rings as high-potential iron?sulphur protein analogues

Tomohiro, Takenori, Uoto, Kouichi, Okuno, Hiroaki (Yohmei)

Journal:

Journal of the Chemical Society Dalton Transactions

Année:

1990

Langue:

english

Fichier:

PDF, 717 KB

english, 1990

22

Transannular formation of 1,10-dimethoxy-4-azatricyclo[6,2,2,04,8]dodeca-9,11-dien-3-one

Okuno, Yohmei, Hemmi, Keiji, Yonemitsu, Osamu

Journal:

Journal of the Chemical Society D Chemical Communications

Année:

1971

Langue:

english

Fichier:

PDF, 168 KB

english, 1971

23

Electrochemical reduction of carbon dioxide catalysed by macrocyclic Fe4S4 iron?sulphur clusters

Tomohiro, Takenori, Uoto, Kouichi, (Yohmei) Okuno, Hiroaki

Journal:

Journal of the Chemical Society Chemical Communications

Année:

1990

Langue:

english

Fichier:

PDF, 185 KB

english, 1990

24

New entry to tetranuclear clusters with tetrathiol ligands anchored to hydrophobic macrocycles in iron?sulphur protein analogues; Fe4S4{cyclo-(XN[CH2]8)4}2? and Fe4S4{cyclo-(XN[CH2]8NX?p-C6H4?p-CH2C6H4)2}2?(X =p-SC6H4CO)

Okuno, Yohmei, Uoto, Kouichi, Sasaki, Yuko, Yonemitsu, Osamu, Tomohiro, Takenori

Journal:

Journal of the Chemical Society Chemical Communications

Année:

1987

Langue:

english

Fichier:

PDF, 242 KB

english, 1987

25

Formation of cyclic urethanes from amino alcohols and carbon dioxide using phosphorus(III) reagents and halogenoalkanes

Kubota, Yasuhiko, Kodaka, Masato, Tomohiro, Takenori, (Yohmei) Okuno, Hiroaki

Journal:

Journal of the Chemical Society Perkin Transactions 1

Année:

1993

Langue:

english

Fichier:

PDF, 182 KB

english, 1993

26

Carbon dioxide fixation forming oxazolidone coupled with a thiol/Fe4S4 cluster redox system

Kodaka, Masato, Tomohiro, Takenori, Lee, Ah Lek, Okuno, Hiroaki(Yohmei)

Journal:

Journal of the Chemical Society Chemical Communications

Année:

1989

Langue:

english

Fichier:

PDF, 237 KB

english, 1989

27

An Improved Synthesis of Surfactant Porphyrins

Okuno, Yohmei, Ford, William E., Calvin, Melvin

Journal:

Année:

1980

Fichier:

PDF, 256 KB

1980

28

Convenient Synthesis of Large Tetraazamacrocycles Bearing Alkylene, Cyclophane and Crown Ether Type Skeletons

Tomohiro, Takenori, Avval, Parviz Ahmadi, Okuno, Hiroaki Yohmei

Journal:

Année:

1992

Fichier:

PDF, 200 KB

1992

29

A convenient method for the synthesis of macrocyclic tetra-amides by double condensation reaction

Okuno, Yohmei, Horita, Kiyoshi, Yonemitsu, Osamu, Shibata, Kazue, Amemiya, Toshiyuki, Holm, Richard H.

Journal:

Journal of the Chemical Society Perkin Transactions 1

Année:

1984

Langue:

english

Fichier:

PDF, 407 KB

english, 1984

30

MANGANESE DIOXIDE AS SPECIFIC REDOX CATALYST IN THE PHOTOSENSITIZED OXYGEN GENERATION FROM WATER

Okuno, Yohmei, Yonemitsu, Osamu, Chiba, Yukihiro

Journal:

Chemistry Letters

Année:

1983

Langue:

english

Fichier:

PDF, 6.80 MB

english, 1983

31

VISIBLE LIGHT INDUCED ELECTRON TRANSFER REACTIONS OF METAL COMPLEXES. PRODUCTION OF HYDROGEN FROM WATER BY A Ru(bpy) 32+ –Fe 4 S 4 (SBzl) 42− SYSTEM

Okuno, Yohmei, Yonemitsu, Osamu

Journal:

Chemistry Letters

Année:

1980

Langue:

english

Fichier:

PDF, 6.48 MB

english, 1980

32

FACILE PREPARATION OF PLATINUM SOLS BY SODIUM BOROHYDRIDE REDUCTION AND ITS EVALUATION IN THE PHOTOSENSITIZED REDUCTION OF WATER TO HYDROGEN

Okuno, Yohmei, Chiba, Yukihiro, Yonemitsu, Osamu

Journal:

Chemistry Letters

Année:

1983

Langue:

english

Fichier:

PDF, 7.72 MB

english, 1983

33

Efficient Preparation of Anticancer Platinum Pyrimidine Blues. On the Highly Reproducible Reaction Conditions and Purification by Gel Filtration

Okuno, Yohmei, Tonosaki, Kumiko, Inoue, Takayuki, Yonemitsu, Osamu, Sasaki, Takuma

Journal:

Chemistry Letters

Année:

1986

Langue:

english

Fichier:

PDF, 6.34 MB

english, 1986

34

Photocyclization of N-Chloroacetyl-3-methoxyphenethylamine and N-Chloroacetyl-3, 5-dimethoxyphenethylamine.

OKUNO, YOHMEI, HEMMI, KEIJI, YONEMITSU, OSAMU

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Année:

1972

Fichier:

PDF, 699 KB

1972

35

Cage effect for the photochemical formation of the ten-membered lactam from N-chloroacetyl-3-methoxyphenethylamine.

OKUNO, YOHMEI, YONEMITSU, OSAMU

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Année:

1975

Fichier:

PDF, 677 KB

1975

36

Photochemical synthesis of 1,2,3,4-tetrahydroisoquinolin-3-ones and oxindoles from N-chloroacetyl derivatives of benzylamines and anilines. Role of intramolecular exciplex formation and cis conformation of amide bonds.

HAMADA, TATSUO, OKUNO, YOHMEI, OHMORI, MASAYUKI, NISHI, TAKAO, YONEMITSU, OSAMU

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Année:

1981

Fichier:

PDF, 1.07 MB

1981

37

Photochemical synthesis of antitumor platinum pyrimidine greens. Possible contribution of singlet oxygen.

Okuno, Yohmei, Inoue, Takayuki, Yonemitsu, Osamu, Tomohiro, Takenori, Laitalainen, Tarja

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Année:

1987

Langue:

english

Fichier:

PDF, 303 KB

english, 1987

38

Selective synthesis of novel anticancer platinum pyrimidine greens by hydrogen peroxide oxidation.

Shimura, Takehiko, Tomohiro, Takenori, Laitalainen, Tarja, Moriyama, Hiroshi, Uemura, Toshimasa, Okuno, Yohmei

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Année:

1988

Fichier:

PDF, 466 KB

1988

39

Inhibition of Deoxyribonucleic Acid Synthesis in Vitro by Anticancer Platinum Pyrimidine Greens against Daudi Cells.

OKADA, Tomoko, SHIMURA, Takehiko, NAKANISHI, Hiroshi, OKUNO, Hiroaki (Yohmei)

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Année:

1992

Fichier:

PDF, 483 KB

1992

40

Structure-activity consideration of novel anticancer platinum pyrimidine "greens".

Shimura, Takehiko, Tomohiro, Takenori, Maruno, Kiyoshi, Fujimoto, Yasuo, Okuno, Yohmei

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Année:

1987

Langue:

english

Fichier:

PDF, 426 KB

english, 1987

41

Photocyclization of N-chloroacetyl-2,5-dimethoxyphenethylamine. Synthesis of pyrroloindoles.

OKUNO, YOHMEI, KAWAMORI, MASATOSHI, HIRAO, KENICHI, YONEMITSU, OSAMU

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Année:

1975

Fichier:

PDF, 797 KB

1975

42

Synthesis of macrocyclic amides. Formation of a new symmetric 36-membered tetramide ring.

OKUNO, YOHMEI, HORITA, KIYOSHI, YONEMITSU, OSAMU

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Année:

1983

Fichier:

PDF, 535 KB

1983

43

On a novel system for the photosensitized water reduction which contains the iron-sulfur cluster, (Et4N)2(Fe4S4(SBzl)4).

OKUNO, YOHMEI, YONEMITSU, OSAMU

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Année:

1984

Fichier:

PDF, 565 KB

1984