T. Tokoroyama : rechercher sur Z-Library

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1

A facile synthesis of stentorin, the photoreceptor of Stentor coeruleus

Hideo Iio, Kazutaka Zenfuku, Takashi Tokoroyama

Journal:

Tetrahedron Letters

Année:

1995

Langue:

english

Fichier:

PDF, 185 KB

english, 1995

2

Phase transformation studies on the a-C coating under repetitive impacts

Mohd Fadzli Bin Abdollah, Yuto Yamaguchi, Tsuyoshi Akao, Naruhiko Inayoshi, Noritsugu Umehara, Takayuki Tokoroyama

Journal:

Surface and Coatings Technology

Année:

2010

Langue:

english

Fichier:

PDF, 1.09 MB

english, 2010

3

Wear behaviour of tetrahedral amorphous diamond-like carbon (ta-C DLC) in additive containing lubricants

Abdullah Tasdemir, H., Wakayama, Masaharu, Tokoroyama, Takayuki, Kousaka, Hiroyuki, Umehara, Noritsugu, Mabuchi, Yutaka, Higuchi, Tsuyoshi

Journal:

Année:

2013

Langue:

english

Fichier:

PDF, 4.91 MB

english, 2013

4

Ultra-low friction of tetrahedral amorphous diamond-like carbon (ta-C DLC) under boundary lubrication in poly alpha-olefin (PAO) with additives

Tasdemir, H. Abdullah, Wakayama, Masaharu, Tokoroyama, Takayuki, Kousaka, Hiroyuki, Umehara, Noritsugu, Mabuchi, Yutaka, Higuchi, Tsuyoshi

Journal:

Tribology International

Année:

2013

Langue:

english

Fichier:

PDF, 4.74 MB

english, 2013

5

Influence of zinc dialkyldithiophosphate tribofilm formation on the tribological performance of self-mated diamond-like carbon contacts under boundary lubrication

Abdullah Tasdemir, H., Tokoroyama, Takayuki, Kousaka, Hiroyuki, Umehara, Noritsugu, Mabuchi, Yutaka

Journal:

Thin Solid Films

Année:

2014

Langue:

english

Fichier:

PDF, 4.96 MB

english, 2014

6

High pressure organic chemistry. 2. Diels-Alder reaction of thiophene with maleic anhydride at very high pressure

Kotsuki, Hiyoshizo, Kitagawa, Sachio, Nishizawa, Hitoshi, Tokoroyama, Takashi

Journal:

Journal of Organic Chemistry

Année:

1978

Langue:

english

Fichier:

PDF, 231 KB

english, 1978

7

Synthesis of Clerodane Diterpenoids and Related Compounds - Stereoselective Construction of the Decalin Skeleton with Multiple Contiguous Stereogenic Centers

Tokoroyama, Takashi

Journal:

Année:

2000

Langue:

english

Fichier:

PDF, 999 KB

english, 2000

8

Clarification of relationship between friction coefficient and transformed layer of CNx coating by in-situ spectroscopic analysis

Nishimura, Hidenori, Umehara, Noritsugu, Kousaka, Hiroyuki, Tokoroyama, Takayuki

Journal:

Tribology International

Année:

2016

Langue:

english

Fichier:

PDF, 1.64 MB

english, 2016

9

High Pressure Organic Chemistry. III. Diels-Alder Reaction of Thiophene with Maleic Anhydride

Kotsuki, Hiyoshizo, Nishizawa, Hitoshi, Kitagawa, Sachio, Ochi, Masamitsu, Yamasaki, Nakamichi, Matsuoka, Kiyoshi, Tokoroyama, Takashi

Journal:

Bulletin of the Chemical Society of Japan

Année:

1979

Fichier:

PDF, 776 KB

1979

10

Superlow Friction with CN_x Coating under Oil Lubrication(Machine Elements and Manufacturing)

OGAWA, Yuichiro, TOKOROYAMA, Takayuki, UMEHARA, Noritsugu, FUWA, Yoshio

Année:

2009

Fichier:

PDF, 1.02 MB

2009

11

The Effect of UV Irradiation to a-C:H on Friction and Wear Properties under PAO Oil Lubrication Including MoDTC and ZnDTP

bin Taib, Mohd Taufik, Umehara, Noritsugu, Tokoroyama, Takayuki, Murashima, Motoyuki

Journal:

Tribology Online

Année:

2018

Langue:

english

Fichier:

PDF, 6.67 MB

english, 2018

12

The Effect of Maximum Normal Impact Load, Absorbed Energy, and Contact Impulse, on the Impact Crater Volume/Depth of DLC Coating

Abdollah, Mohd Fadzli Bin, Yamaguchi, Yuto, Akao, Tsuyoshi, Inayoshi, Naruhiko, Tokoroyama, Takayuki, Umehara, Noritsugu

Journal:

Tribology Online

Année:

2011

Langue:

english

Fichier:

PDF, 6.15 MB

english, 2011

13

Effect of Substrate Bias and Temperature on Friction and Wear Properties for ta-C Coating Prepared under Different Substrate Bias Voltages with Filtered Cathodic Vacuum Arc Deposition

Lee, Woo-Young, Tokoroyama, Takayuki, Jang, Young-Jun, Umehara, Noritsugu

Journal:

Tribology Online

Année:

2018

Langue:

english

Fichier:

PDF, 1.20 MB

english, 2018

14

The tribological potential of graphene growth from solid waste

Tahir, Noor Ayuma Mat, Abdollah, Mohd Fadzli Bin, Tamaldin, Noreffendy, Amiruddin, Hilmi, Zin, Mohd Rody Bin Mohamad, Tokoroyama, Takayuki, Umehara, Noritsugu

Journal:

Progress in Industrial Ecology An International Journal

Année:

2019

Langue:

english

Fichier:

PDF, 546 KB

english, 2019

15

Diastereofacial Selection in Ring-Closure Reactions and Folding-Strain Stereocontrol

Takashi Tokoroyama

Journal:

Chemistry - A European Journal

Année:

1998

Langue:

english

Fichier:

PDF, 169 KB

english, 1998

16

ChemInform Abstract: Folding Strain Stereocontrol in Cyclohexane Ring Formation by Means of an Intramolecular Ester Enolate Alkylation Reaction.

T. TOKOROYAMA, H. KUSAKA

Journal:

Année:

1997

Langue:

english

Fichier:

PDF, 34 KB

english, 1997

17

ChemInform Abstract: Doubly Diastereocontrolled Cyclization Based on Intramolecular Conjugate Addition Reactions Involving an Allylic Radical and an Anion.

T. TOKOROYAMA, T. AOTO

Journal:

Année:

1998

Fichier:

PDF, 33 KB

1998

18

ChemInform Abstract: Synthetic Studies on Limonoids

Takashi Tokoroyama

Journal:

Année:

1999

Fichier:

PDF, 23 KB

1999

19

ChemInform Abstract: Synthesis of Clerodane Diterpenoids and Related Compounds — Stereoselective Construction of the Decalin Skeleton with Multiple Contiguous Stereogenic Centers

Takashi Tokoroyama

Journal:

Année:

2000

Fichier:

PDF, 24 KB

2000

20

ChemInform Abstract: Discovery of the Michael Reaction

Takashi Tokoroyama

Journal:

Année:

2010

Fichier:

PDF, 15 KB

2010

21

Discovery of the Michael Reaction

Takashi Tokoroyama

Journal:

European Journal of Organic Chemistry

Année:

2010

Langue:

english

Fichier:

PDF, 218 KB

english, 2010

22

Thirteenth symposium of the phytochemistry society of Japan

T.Symposium Secretary Tokoroyama, Y.Symposium Secretary Suzuki, Y.Symposium Secretary Masuda, Y.Symposium Secretary Hayashi, T.Symposium Secretary Kamikawa

Journal:

Année:

1977

Langue:

english

Fichier:

PDF, 42 KB

english, 1977

23

Minor diterpenoids from Portulaca cv Jewel

Ayumi Ohsaki, Noriko Ohno, Kozo Shibata, Takashi Tokoroyama, Takashi Kubota, Ken Hirotsu, Taiichi Higuchi

Journal:

Année:

1988

Langue:

english

Fichier:

PDF, 296 KB

english, 1988

24

Clerodane diterpenoids from the roots of Portulaca pilosa

Ayumi Ohsaki, Yoshihisa Kasetani, Yukihiro Asaka, Kozo Shibata, Takashi Tokoroyama, Takashi Kubota

Journal:

Année:

1991

Langue:

english

Fichier:

PDF, 302 KB

english, 1991

25

A diterpenoid from Portulaca pilosa

Ayumi Ohsaki, Yoshihisa Kasetani, Yukihiro Asaka, Kozo Shibata, Takashi Tokoroyama, Takashi Kubota

Journal:

Année:

1995

Langue:

english

Fichier:

PDF, 194 KB

english, 1995

26

The structure of sclerin, a metabolite of sclerotinia libertiana

T. Tokoroyama, T. Kamikawa, T. Kubota

Journal:

Année:

1968

Langue:

english

Fichier:

PDF, 900 KB

english, 1968

27

Diels-alder reactions of substituted maleic anhydrides with 1-vinylcoclohexane: Stereospecific formation of a bicyclic intermediate useful for syntheses of clerodane diterpenes

Takashi Tokoroyama, Keizo Matsuo, Takashi Kubota

Journal:

Année:

1978

Langue:

english

Fichier:

PDF, 776 KB

english, 1978

28

Synthetic studies on terpenic compounds—XI : Stereospecific total synthesis of portulal,

Takashi Tokoroyama, Keizo Matsuo, Hiyoshizo Kotsuki, Reizo Kanazawa

Journal:

Année:

1980

Langue:

english

Fichier:

PDF, 2.97 MB

english, 1980

29

Synthetic studies on terpenic compounds—XV : Synthesis of methyl 14β-hydroxy-7β:8β,9β:11β,12α:13α-triepoxyabietan-18-oate, complete B/C ring model of antileukemic triptolides, from levopimaric acid

T. Tokoroyama, H. Koike, K. Hirotsu, Y. Ezaki

Journal:

Année:

1982

Langue:

english

Fichier:

PDF, 1.00 MB

english, 1982

30

Selective cleavage of ethers using silica-alumina gel catalysts prepared by the sol-gel method

Yoshihiko Matsumoto, Keisuke Mita, Keiji Hashimoto, Hideo Iio, Takashi Tokoroyama

Journal:

Année:

1996

Langue:

english

Fichier:

PDF, 1.11 MB

english, 1996

31

Preparation of silica-alumina catalyst by the sol-gel method and its activity for the Diels-Alder reaction of isoprene and acrylaldehyde

Yoshihiko Matsumoto, Keisuke Mita, Keiji Hashimoto, Takashi Tokoroyama

Journal:

Applied Catalysis A: General

Année:

1995

Langue:

english

Fichier:

PDF, 293 KB

english, 1995

32

Clerodane diterpenoids from Portulaca cv jewel

Ayumi Ohsaki, Noriko Ohno, Kozo Shibata, Takashi Tokoroyama, Takashi Kubota

Journal:

Année:

1986

Langue:

english

Fichier:

PDF, 263 KB

english, 1986

33

Bitter constituents of Forsythia viridissima

K. Matsuo, T. Tokoroyama, T. Kubota

Journal:

Année:

1972

Langue:

english

Fichier:

PDF, 157 KB

english, 1972

34

The synthesis of sclerin

T. Tokoroyama, S. Maeda, T. Nishkawa, T. Kubota

Journal:

Année:

1969

Langue:

english

Fichier:

PDF, 671 KB

english, 1969

35

A general method for the synthesis of clerodane diterpenoids. Stereospecific total syntheses of (±)-15, 16-epoxy-cis-cleroda-3, 13(16), 14-triene and (±)-maingayic acid

Takashi Tokoroyama, Kaoru Fujimori, Takayoshi Shimizu, Yoshiro Yamagiwa, Mitsugu Monden, Hideo Iio

Journal:

Année:

1988

Langue:

english

Fichier:

PDF, 1.71 MB

english, 1988

36

The structure and absolute configuration of syringopicroside: A new iridoid glucoside from Syringa vulgaris L.

Y. Asaka, T. Kamikawa, T. Tokoroyama, T. Kubota

Journal:

Année:

1970

Langue:

english

Fichier:

PDF, 466 KB

english, 1970

37

The structure and synthesis of sclerolide

T. Tokoroyama, T. Kubota

Journal:

Année:

1970

Langue:

english

Fichier:

PDF, 442 KB

english, 1970

38

Terpenes - XVII structure of calarene and stereochemistry of aristolone

G. Bűchi, F. Greuter, Takashi Tokoroyama

Journal:

Tetrahedron Letters

Année:

1962

Langue:

english

Fichier:

PDF, 326 KB

english, 1962

39

[2-(Trimethylsilyl)ethylidene]tris(2-methylphenyl)phosphorane, a modified seyferth-wittig reagent for the stereoselective syntheses of z-allyltrimethylsilanes

Hideo Iio, Masahiro Ishii, Masamitsu Tsukamoto, Takashi Tokoroyama

Journal:

Tetrahedron Letters

Année:

1988

Langue:

english

Fichier:

PDF, 248 KB

english, 1988

40

Carbonyl addition reaction by means of β-silylphosphorous ylide. Anti-diastereoselective vinylation of α-alkoxy aldehydes.

Hideo Tio, Tsukasa Mizobuchi, Masamitsu Tsukamoto, Takashi Tokoroyama

Journal:

Tetrahedron Letters

Année:

1986

Langue:

english

Fichier:

PDF, 300 KB

english, 1986

41

Unusual reaction of 2-trimethylsilylethylidenetriarylphosphoranes (seyferth-wittig reagent) with α-methylaldehydes: a novel method for highly cram-diastereoselective addition of vinyl anion equivalent

Masamitsu Tsukamoto, Hideo Iio, Takashi Tokoroyama

Journal:

Tetrahedron Letters

Année:

1985

Langue:

english

Fichier:

PDF, 286 KB

english, 1985

42

Total synthesis of portulal

R. Kanazawa, H. Kotsuki, T. Tokoroyama

Journal:

Tetrahedron Letters

Année:

1975

Langue:

english

Fichier:

PDF, 187 KB

english, 1975

43

Diastereoselective stereodivergent addition of E- and Z-crotylsilanes to 2-cyclopentenone derivatives with chiral auxiliaries at 2-position

Li-Rui Pan, Takashi Tokoroyama

Journal:

Tetrahedron Letters

Année:

1992

Langue:

english

Fichier:

PDF, 246 KB

english, 1992

44

Asymmetric synthese of de-ABC-cholestan-14-one and de-AB-cholest-8-en-9-one by an extracyclic methodology

Li-Rui Pan, Takashi Tokoroyama

Journal:

Tetrahedron Letters

Année:

1992

Langue:

english

Fichier:

PDF, 144 KB

english, 1992

45

High diastereoselectivity observed in the vinylation reaction of α,β-epoxy aldehydes with β-silylphosphorous ylide

Hideo Iio, Tsukasa Mizobuchi, Takashi Tokoroyama

Journal:

Tetrahedron Letters

Année:

1987

Langue:

english

Fichier:

PDF, 273 KB

english, 1987

46

Carbonyl addition reaction by means of β-silyl- and βstannylphosphorous ylides: Diastereoselective E-propenylation of α-chiral aldehydes

Masamitsu Tsukamoto, Hideo Iio, Takashi Tokoroyama

Journal:

Tetrahedron Letters

Année:

1987

Langue:

english

Fichier:

PDF, 286 KB

english, 1987

47

One-pot stereospecific construction of cis-clerodane skeleton by means of doubly stereocontrolled cyclization: Total synthesis of linaridial

Takashi Tokoroyama, Masamitsu Tsukamoto, Toshihiro Asada, Hideo Iio

Journal:

Tetrahedron Letters

Année:

1987

Langue:

english

Fichier:

PDF, 290 KB

english, 1987

48

On the chemical constitution of obacunone

T. Kubota, T. Kamikawa, T. Tokoroyama, T. Matsuura

Journal:

Tetrahedron Letters

Année:

1960

Langue:

english

Fichier:

PDF, 424 KB

english, 1960

49

Sendanin, a new limonoid from melia azedarach linn. var. japonica makino

Masamitsu Ochi, Hiyoshizo Kotsuki, Ken Hirotsu, Takashi Tokoroyama

Journal:

Tetrahedron Letters

Année:

1976

Langue:

english

Fichier:

PDF, 219 KB

english, 1976

50

Total synthesis of pyroangolensolide

Y. Fukuyama, T. Tokoroyama, T. Kubota

Journal:

Tetrahedron Letters

Année:

1973

Langue:

english

Fichier:

PDF, 183 KB

english, 1973