Masao Tsukayama : rechercher sur Z-Library

Année:

2003

Langue:

english

Fichier:

PDF, 275 KB

english, 2003

ChemInform Abstract: Regioselective Synthesis of Prenylisoflavones. Syntheses of Lupiwighteone, Lupiwighteone Hydrate and Related Compounds.

Masao Tsukayama, He Li, Masaki Nishiuchi, Masahumi Takahashi, Yasuhiko Kawamura

Journal:

Yasuhiko Kawamura, Ryusaku Takayama, Masaki Nishiuchi, Masao Tsukayama

Année:

1999

Fichier:

PDF, 34 KB

1999

ChemInform Abstract: Curious Oxygen Effect on Photosensitized Electron-Transfer Reactions of Benzophenone Oxime O-Methyl Ethers: One-Way Photoisomerization of an Iminic Double Bond.

Journal:

Masao Tsukayama, Hironari Wada, Masashi Kishida, Masaki Nishiuchi, Yasuhiko Kawamura

Année:

2001

Fichier:

PDF, 29 KB

2001

ChemInform Abstract: Regioselective Synthesis of Prenylisoflavones: Syntheses of Luteone and Luteone Hydrate.

Journal:

Masao Tsukayama, Akihiro Oda, Yasuhiko Kawamura, Masaki Nishiuchi, Kazuyo Yamashita

Année:

2001

Fichier:

PDF, 33 KB

2001

ChemInform Abstract: Facile Synthesis of Polyhydroxycoumaronochromones with Quinones: Synthesis of Alkylpolyhydroxy- and Alkoxycoumaronochromones from 2′-Hydroxyisoflavones.

Journal:

Yasuhiko Kawamura, Masashi Maruyama, Takanori Tokuoka, Masao Tsukayama

Année:

2002

Fichier:

PDF, 31 KB

2002

Synthesis of Isoflavones from 2′-Hydroxychalcones Using Poly[4-(diacetoxy)iodo]styrene or Related Hypervalent Iodine Reagent.

Journal:

Masao Tsukayama, Yasuhiko Kawamura, Takaaki Ishizuka, Shinji Hayashi, Fumihito Torii

Année:

2003

Fichier:

PDF, 217 KB

2003

Improved, Rapid and Efficient Synthesis of Polymethoxyflavones under Microwave Irradiation and Their Inhibitory Effects on Melanogenesis.

Journal:

Masao Tsukayama, Hironari Wada, Yasuhiko Kawamura, Kazuyo Yamashita, Masaki Nishiuchi

Année:

2004

Fichier:

PDF, 159 KB

2004

Regioselective Synthesis of 6-Alkyl- and 6-Prenylpolyhydroxyisoflavones and 6-Alkylcoumaronochromone Derivatives.

Journal:

Mitsuru Nakayama, Shizuko Eguchi, Shûichi Hayashi, Masao Tsukayama, Hisao Nakata

Année:

2005

Fichier:

PDF, 30 KB

2005

The mechanism of elimination of an H2O molecule in desmethylencecalin under electron impact

Journal:

Journal of Mass Spectrometry

Année:

1979

Langue:

english

Fichier:

PDF, 326 KB

english, 1979

Microwave-assisted regioselective synthesis of natural 6-prenylpolyhydroxyisoflavones and their hydrates with hypervalent iodine reagents

Mohammad M. Hossain, Yasuhiko Kawamura, Kazuyo Yamashita, Masao Tsukayama

Journal:

Tetrahedron

Année:

2006

Langue:

english

Fichier:

PDF, 287 KB

english, 2006

Curious oxygen effect on photosensitized electron-transfer reactions of benzophenone oxime O-methyl ethers: one-way photoisomerization of an iminic double bond

Yasuhiko Kawamura, Ryusaku Takayama, Masaki Nishiuchi, Masao Tsukayama

Journal:

Masao Tsukayama, Akihiro Oda, Yasuhiko Kawamura, Masaki Nishiuchi, Kazuyo Yamashita

Année:

2000

Langue:

english

Fichier:

PDF, 122 KB

english, 2000

Facile synthesis of polyhydroxycoumaronochromones with quinones: synthesis of alkylpolyhydroxy- and alkoxycoumaronochromones from 2′-hydroxyisoflavones

Journal:

Année:

2001

Langue:

english

Fichier:

PDF, 68 KB

english, 2001

Diinsertion of fluorenylidene into a sulfur-sulfur bond of diaryl disulfides

Yasuhiko Kawamura, Kohji Akitomo, Masaaki Oe, Tokunaru Horie, Masao Tsukayama

Journal:

Tokunaru Horie, Masao Tsukayama, Yasuhiko Kawamura, Shigeo Yamamoto

Année:

1997

Langue:

english

Fichier:

PDF, 258 KB

english, 1997

3,5-Dihydroxy-7,8-dimethoxyflavones and revised structures for some natural flavones

Journal:

Phytochemistry

Année:

1988

Langue:

english

Fichier:

PDF, 471 KB

english, 1988

Three flavone glycosides from citrus sudachi

Tokunaru Horie, Masao Tsukayama, Toshihide Yamada, Iwao Miura, Mitsuru Nakayama

Journal:

Phytochemistry

Année:

1986

Langue:

english

Fichier:

PDF, 259 KB

english, 1986

Dehydration induced by intramolecular redox character of a stable allylidenetributylphosphorane

Yasuhiko Kawamura, Yoshinori Sato, Tokunaru Horie, Masao Tsukayama

Journal:

ISLAM, NAZRUL, TSUKAYAMA, MASAO, KAWAMURA, YASUHIKO

Année:

1997

Langue:

english

Fichier:

PDF, 267 KB

english, 1997

CHARGE-TRANSFER REACTION OF BUTATRIENE: FORMATION OF DIHYDRONAPHTHALENE DERIVATIVE

Journal:

Horie, Tokunaru, Yamada, Toshihide, Kawamura, Yasuhiko, Tsukayama, Masao, Kuramoto, Masafumi

Année:

2006

Langue:

english

Fichier:

PDF, 245 KB

english, 2006

Oxidation of 2'-hydroxyacetophenones with thallium(III) nitrate in methanol

Journal:

Journal of Organic Chemistry

Année:

1992

Langue:

english

Fichier:

PDF, 652 KB

english, 1992

Regioselective Synthesis of 6‐Prenylpolyhydroxyisoflavone (Wighteone) and Wighteone Hydrate with Hypervalent Iodine

Tokuoka, Takanori, Yamashita, Kazuyo, Kawamura, Yasuhiko, Tsukayama, Masao, M. Hossain, Mohammad

Journal:

Synthetic Communications

Année:

2006

Langue:

english

Fichier:

PDF, 161 KB

english, 2006

PHOTOSENSITIZED OXYGENATIONS OF DIMETHYL FLUORENYLIDENETRIBUTYL-AND TRIPHENYLPHOSPHORANYLI-DENESUCCINATE

Kawamura, Yasuhiko, Sato, Yoshinori, Arai, Masaya, Horie, Tokunaru, Tsukayama, Masao

Journal:

Phosphorus Sulfur and Silicon and the Related Elements

Année:

1999

Langue:

english

Fichier:

PDF, 261 KB

english, 1999

A new electrosynthesis of 2,2-dimethylchromenes from 2-(1-bromo-1-methylethyl)benzofurans

Tsukayama, Masao, Utsumi, Hideyuki, Kunugi, Akira

Journal:

Journal of the Chemical Society Chemical Communications

Année:

1995

Langue:

english

Fichier:

PDF, 178 KB

english, 1995

Regioselective Synthesis of Prenylisoflavones. Syntheses of Lupiwighteone, Lupiwighteone Hydrate and Related Compounds

Tsukayama, Masao, Li, He, Nishiuchi, Masaki, Takahashi, Masahumi, Kawamura, Yasuhiko

Journal:

Journal of Chemical Research

Année:

1998

Langue:

english

Fichier:

PDF, 120 KB

english, 1998

Photoreactions of 1,3-Dipolar Cycloadducts of Mesoionic Compounds with Buckminsterfullerene

Kawamura, Yasuhiko, Akaishi, Kazuyuki, Nishiuchi, Masaki, Tsukayama, Masao

Journal:

Molecular Crystals and Liquid Crystals

Année:

2002

Langue:

english

Fichier:

PDF, 429 KB

english, 2002

PHOTOSENSITIZED OXYGENATION OF DIARYLMETHYLENETRIPHENYLPHOSPHORANES

Kawamura, Yasuhiko, Oda, Toshihiro, Iwano, Yasunori, Tsukayama, Masao, Horie, Tokunaru

Journal:

Phosphorus Sulfur and Silicon and the Related Elements

Année:

1992

Langue:

english

Fichier:

PDF, 349 KB

english, 1992

Combinatorial Synthesis of Exohedrally Modified Fullerene Derivatives

Kawamura, Yasuhiko, Akai, Yasuyuki, Tsukayama, Masao

Journal:

Kawamura, Yasuhiko, Ishiduka, Takaaki, Tsukayama, Masao

Année:

2003

Langue:

english

Fichier:

PDF, 283 KB

english, 2003

One-Way Geometrical Isomerization of 1,1-Diarylethenes Induced by Photosensitized Electron Transfer

Journal:

ISHIDUKA, TAKAAKI, TSUKAYAMA, MASAO, KAWAMURA, YASUHIKO

Année:

2003

Langue:

english

Fichier:

PDF, 322 KB

english, 2003

PREPARATION OF 1,1-DIARYLETHENES BY MCMURRY REACTION: MECHANISM AND GEOMETRY SELECTION

Journal:

Kawamura, Yasuhiko, Abe, Takahiro, Tsukayama, Masao

Année:

2006

Langue:

english

Fichier:

PDF, 307 KB

english, 2006

One-Way and Two-Way Geometrical Isomerizations of 1, 1-Diarylketone Oxime O-Methyl Ethers Induced by Photosensitized Electron Transfer

Journal:

Tsukayama, Masao, Fujimoto, Kunihiro, Horie, Tokunaru, Masumura, Mitsuo, Nakayama, Mitsuru

Année:

2003

Langue:

english

Fichier:

PDF, 279 KB

english, 2003

Syntheses of Licoricone and Its Isomer

Journal:

Bioscience Biotechnology and Biochemistry

Année:

1984

Langue:

english

Fichier:

PDF, 110 KB

english, 1984

Sudachitin, a polymethoxylated flavone, improves glucose and lipid metabolism by increasing mitochondrial biogenesis in skeletal muscle

Tsutsumi, Rie, Yoshida, Tomomi, Nii, Yoshitaka, Okahisa, Naoki, Iwata, Shinya, Tsukayama, Masao, Hashimoto, Rei, Taniguchi, Yasuko, Sakaue, Hiroshi, Hosaka, Toshio, Shuto, Emi, Sakai, Tohru

Journal:

Nutrition & Metabolism

Année:

2014

Langue:

english

Fichier:

PDF, 1.53 MB

english, 2014

Sudachitin, a Polymethoxyflavone from Citrus sudachi , Suppresses Lipopolysaccharide-Induced Inflammatory Responses in Mouse Macrophage-Like RAW264 Cells

YUASA, Keizo, TADA, Kaori, HARITA, Genki, FUJIMOTO, Tomomi, TSUKAYAMA, Masao, TSUJI, Akihiko

Journal:

Année:

2012

Langue:

english

Fichier:

PDF, 132 KB

english, 2012

Regioselective Prenylation of Phenols by Palladium Catalyst: Syntheses of Prenylphenols and Chromans

Tsukayama, Masao, Kikuchi, Makoto, Kawamura, Yasuhiko

Journal:

Tsukayama, Masao, Kawamura, Yasuhiko, Ishizuka, Takaaki, Hayashi, Shinji, Torii, Fumihito

Année:

1994

Langue:

english

Fichier:

PDF, 108 KB

english, 1994

Improved, Rapid and Efficient Synthesis of Polymethoxyflavones under Microwave Irradiation and Their Inhibitory Effects on Melanogenesis

Journal:

Tsukayama, Masao, Kawamura, Yasuhiko, Tahara, Hideo

Année:

2003

Langue:

english

Fichier:

PDF, 366 KB

english, 2003

Synthesis of 4',5- and 3',4',5-Oxygenated Pyranoisoflavones: Alpinumisoflavone and Related Compounds, and a Revised Structure of Derrone

Journal:

Tsukayama, Masao, Sakamoto, Tsukasa, Horie, Tokunaru, Masumura, Mitsuo, Nakayama, Mitsuru

Année:

1992

Langue:

english

Fichier:

PDF, 340 KB

english, 1992

A Convenient Synthesis of 2,2-Dimethylchromenes from 2,2-Dimethylchromanones

Journal:

Kawamura, Yasuhiko, Iwano, Yasunori, Watanabe, Noboru, Horie, Tokunaru, Tsukayama, Masao

Année:

1981

Langue:

english

Fichier:

PDF, 78 KB

english, 1981

REACTIVITY OF METHYLENETRIPHENYLPHOSPHORANES HAVING TWO PHENYL GROUPS CONSTRAINED WITH ETHANO OR ETHENO BRIDGE

Journal:

Phosphorus Sulfur and Silicon and the Related Elements

Année:

1998

Langue:

english

Fichier:

PDF, 715 KB

english, 1998

Microwave-Assisted Efficient Synthesis of Polymethoxyacetophenones and Natural Polymethoxyflavones, and Their Inhibitory Effects on Melanogenesis

Tsukayama, Masao, Kusunoki, Eiji, M. Hossain, Mohammad, Kawamura, Yasuhiko, Hayashi, Shinji

Journal:

Nakayama, Mitsuru, Fukui, Kenji, Horie, Tokunaru, Tsukayama, Masao, Masumura, Mitsuo

Année:

2007

Langue:

english

Fichier:

PDF, 232 KB

english, 2007

Synthetic Studies of the Flavone Derivatives. XX. The Synthesis of Sorbifolin

Journal:

Horie, Tokunaru, Tsukayama, Masao, Masumura, Mitsuo, Fukui, Kenji, Nakayama, Mitsuru

Année:

1971

Fichier:

PDF, 232 KB

1971

Synthetic Studies of the Flavone Derivatives. XXIII. The Synthesis of Eupatilin

Journal:

Année:

1971

Fichier:

PDF, 214 KB

1971

The Syntheses of Ripariochromene A and Methylripariochromene A

Tsukayama, Masao

Journal:

Année:

1975

Fichier:

PDF, 384 KB

1975

Synthesis of Ripariochromene B and C

Tsukayama, Masao

Journal:

Tsukayama, Masao, Fujimoto, Kunihiro, Horie, Tokunaru, Masumura, Mitsuo, Nakayama, Mitsuru

Année:

1977

Fichier:

PDF, 779 KB

1977

Synthesis of Licoisoflavone A and Related Compounds

Journal:

Tsukayama, Masao, Kawamura, Yasuhiko, Tamaki, Hiroto, Kubo, Tomoya, Horie, Tokunaru

Année:

1985

Fichier:

PDF, 1.11 MB

1985

Synthesis of Pyranoisoflavones from Pyronochalcones: Synthesis of Elongatin and Its Angular Isomer

Journal:

Kawamura, Yasuhiko, Tsukayama, Masao, Hayashi, Shuzo, Horie, Tokunaru

Année:

1989

Fichier:

PDF, 1.17 MB

1989

Intramolecular Hydrogen Migration of Geometrically Constrained 3,3-Diphenyl-2- t -butyloxaziridine

Journal:

Chemistry Letters

Année:

1991

Fichier:

PDF, 342 KB

1991

Synthesis of Eriostoic Acid and Eriostemoic Acid

Tsukayama, Masao

Journal:

Nakayama, Mitsuru, Eguchi, Shizuko, Hayashi, Shûichi, Tsukayama, Masao, Horie, Tokunaru, Yamada, Toshihide, Masumura, Mitsuo

Année:

1976

Fichier:

PDF, 645 KB

1976

The Synthesis of Neobavaisoflavone and Related Compounds

Journal: