Yoji Omata : rechercher sur Z-Library

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1

On the regioselectivity for the Michael addition of thiols to unsymmetrical fumaric derivatives

Akio Kamimura, Norikazu Murakami, Fukiko Kawahara, Kakuteru Yokota, Yoji Omata, Kenji Matsuura, Yusuke Oishi, Rie Morita, Hiromasa Mitsudera, Hiroyuki Suzukawa, Akikazu Kakehi, Masashi Shirai, Hiroaki

Journal:

Année:

2003

Langue:

english

Fichier:

PDF, 244 KB

english, 2003

2

Regioselective conjugate addition of thiols to unsymmetric fumaric esters in the presence of a lithium cation

Akio Kamimura, Fukiko Kawahara, Yoji Omata, Norikazu Murakami, Rie Morita, Hirochika Otake, Hiromasa Mitsudera, Masashi Shirai, Akikazu Kakehi

Journal:

Tetrahedron Letters

Année:

2001

Langue:

english

Fichier:

PDF, 60 KB

english, 2001

3

ChemInform Abstract: A Simple Preparation of syn-NH-Amide Aldols and Amide-Baylis—Hillman Adducts via a Michael—Aldol Tandem Process.

Akio Kamimura, Yoji Omata, Hiromasa Mitsudera, Akikazu Kakehi

Journal:

Année:

2001

Fichier:

PDF, 30 KB

2001

4

ChemInform Abstract: Regioselective Conjugate Addition of Thiols to Unsymmetric Fumaric Esters in the Presence of a Lithium Cation.

Akio Kamimura, Fukiko Kawahara, Yoji Omata, Norikazu Murakami, Rie Morita, Hirochika Otake, Hiromasa Mitsudera, Masashi Shirai, Akikazu Kakehi

Journal:

Année:

2002

Fichier:

PDF, 29 KB

2002

5

ChemInform Abstract: Stereoselective Construction of Multi-Substituted Tetrahydrofurans via Three Components-Condensation Reaction.

Akio Kamimura, Hiromasa Mitsudera, Kenji Matsuura, Yoji Omata, Masashi Shirai, Shuji Yokoyama, Akikazu Kakehi

Journal:

Année:

2002

Fichier:

PDF, 34 KB

2002

6

Simple Preparation of β-Hydroxy-α-thiomethyl Carbonyl Compounds via Stereoselective Conjugate Addition of Thiol to Baylis—Hillman Adducts.

Akio Kamimura, Rie Morita, Kenji Matsuura, Yoji Omata, Masashi Shirai

Journal:

Année:

2002

Fichier:

PDF, 33 KB

2002

7

Stereoselective Formation of Optically Active 2-Oxy-1,3-oxazolidin-4-ones and an Efficient Synthesis of Optically Active Secondary 2-Pyrrolidones.

Yoji Omata, Akikazu Kakehi, Masashi Shirai, Akio Kamimura

Journal:

Année:

2002

Fichier:

PDF, 32 KB

2002

8

Stereoselective Formation of Optically Active 2-Oxy-1,3-oxazolidin-4-ones from Chiral O-Acylmandelamides or Lactamides.

Akio Kamimura, Yoji Omata, Akikazu Kakehi, Masashi Shirai

Journal:

Année:

2003

Fichier:

PDF, 184 KB

2003

9

Convenient Synthesis of 2-Benzazepines via Radical Cyclization.

Akio Kamimura, Yohei Taguchi, Yoji Omata, Masahiko Hagihara

Journal:

Année:

2003

Fichier:

PDF, 113 KB

2003

10

Oxyoxazolidinone as an Auxiliary for Heterocyclic Synthesis. Enantioselective Formation of N-Unprotected 2-Pyrrolidones from Selenocarboxylate and Allylamines via Radical Cyclization.

Akio Kamimura, Yoji Omata, Keiichi Tanaka, Masashi Shirai

Journal:

Année:

2003

Fichier:

PDF, 226 KB

2003

11

A convenient synthesis of medium-sized lactams through RCM reaction of oxyoxazolidinones

Akio Kamimura, Keiichi Tanaka, Takahiro Hayashi, Yoji Omata

Journal:

Tetrahedron Letters

Année:

2006

Langue:

english

Fichier:

PDF, 104 KB

english, 2006

12

Stereoselective construction of multi-substituted tetrahydrofurans via three components-condensation reaction

Akio Kamimura, Hiromasa Mitsudera, Kenji Matsuura, Yoji Omata, Masashi Shirai, Shuji Yokoyama, Akikazu Kakehi

Journal:

Année:

2002

Langue:

english

Fichier:

PDF, 143 KB

english, 2002

13

Stereoselective formation of optically active 2-oxy-1,3-oxazolidin-4-ones from chiral O-acylmandelamides or lactamides

Akio Kamimura, Yoji Omata, Akikazu Kakehi, Masashi Shirai

Journal:

Année:

2002

Langue:

english

Fichier:

PDF, 204 KB

english, 2002

14

Magnesium cation-induced anti-aldol selective tandem Michael/aldol reaction

Akio Kamimura, Hiromasa Mitsudera, Yoji Omata, Kenji Matsuura, Masashi Shirai, Akikazu Kakehi

Journal:

Année:

2002

Langue:

english

Fichier:

PDF, 339 KB

english, 2002

15

Oxyoxazolidinone as an auxiliary for heterocyclic synthesis. Enantioselective formation of N-unprotected 2-pyrrolidones from selenocarboxylate and allylamines via radical cyclization

Akio Kamimura, Yoji Omata, Keiichi Tanaka, Masashi Shirai

Journal:

Année:

2003

Langue:

english

Fichier:

PDF, 212 KB

english, 2003

16

Simple preparation of β-hydroxy-α-thiomethyl carbonyl compounds via stereoselective conjugate addition of thiol to Baylis–Hillman adducts

Akio Kamimura, Rie Morita, Kenji Matsuura, Yoji Omata, Masashi Shirai

Journal:

Tetrahedron Letters

Année:

2002

Langue:

english

Fichier:

PDF, 71 KB

english, 2002

17

Stereoselective formation of optically active 2-oxy-1,3-oxazolidin-4-ones and an efficient synthesis of optically active secondary 2-pyrrolidones

Yoji Omata, Akikazu Kakehi, Masashi Shirai, Akio Kamimura

Journal:

Tetrahedron Letters

Année:

2002

Langue:

english

Fichier:

PDF, 74 KB

english, 2002

18

Increased oxidative stress in childhood atopic dermatitis

Nemuko Omata, Hirokazu Tsukahara, Setsuko Ito, Yusei Ohshima, Mokoto Yasutomi, Akiko Yamada, Mizu Jiang, Masahiro Hiraoka, Mitsuhiko Nambu, Yoji Deguchi, Mitsufumi Mayumi

Journal:

Année:

2001

Langue:

english

Fichier:

PDF, 53 KB

english, 2001

19

Sa1271 Factors Predict Subsequent Hospitalization in Ulcerative Colitis: Total Colonoscopic Findings are the Strongest Predictor

Toru Kuno, Yuichiro Kojima, Hitoshi Mochizuki, Yoshimitsu Fukasawa, Satoshi Kawakami, Fumihiko Iwamoto, Sumio Hirose, Yuya Tsukui, Kenji Hosoda, Yoji Suzuki, Yuji Hoshino, Yuichi Hirose, Masao Omata

Journal:

Gastroenterology

Année:

2012

Langue:

english

Fichier:

PDF, 142 KB

english, 2012

20

Convenient Synthesis of 2-Benzazepines via Radical Cyclization

Kamimura, Akio, Taguchi, Yohei, Omata, Yoji, Hagihara, Masahiko

Journal:

Journal of Organic Chemistry

Année:

2003

Langue:

english

Fichier:

PDF, 64 KB

english, 2003

21

A simple preparation of syn-NH-amide aldols and amide-Baylis–Hillman adducts via a Michael–aldol tandem process

Kamimura, Akio, Omata, Yoji, Mitsudera, Hiromasa, Kakehi, Akikazu

Journal:

Journal of the Chemical Society Perkin Transactions 1

Année:

2000

Langue:

english

Fichier:

PDF, 148 KB

english, 2000

22

Sa1650 Factors Which Affect Procedure-Related Perforation in Colonic Endoscopic Submucosal Dissection

Kojima, Yuichiro, Harai, Shota, Kuratomi, Natsuhiko, Fukasawa, Yoshimitsu, Asakawa, Takeshi, Hosoda, Kenji, Suzuki, Yoji, Mochizuki, Hitoshi, Omata, Masao

Journal:

Gastrointestinal Endoscopy

Année:

2015

Langue:

english

Fichier:

PDF, 109 KB

english, 2015

23

Acute gastric volvulus associated with wandering spleen in an adult treated laparoscopically after endoscopic reduction: a case report

Omata, Jiro, Utsunomiya, Katsuyuki, Kajiwara, Yoshiki, Takahata, Risa, Miyasaka, Nobuo, Sugasawa, Hidekazu, Sakamoto, Naoko, Yamagishi, Yoji, Fukumura, Makiko, Kitagawa, Daiki, Konno, Mitsuhiko, Okusa

Journal:

Surgical Case Reports

Année:

2016

Langue:

english

Fichier:

PDF, 3.50 MB

english, 2016

24

Tu1716 - Infulenece of Nudt15 Variants on Hematologcal Pictures of Patients with Inflammatory Bowel Diseases Treated with Thiopurines

Kojima, Yuichiro, Hirotsu, Yosuke, Omata, Wataru, Sugimori, Makoto, Takaoka, Shinya, Ashizawa, Hiroshi, Nakagomi, Keiko, Yoshimura, Dai, Hosoda, Kenji, Suzuki, Yoji, Mochizuki, Hitoshi, Omata, Masao

Journal:

Gastroenterology

Année:

2018

Langue:

english

Fichier:

PDF, 330 KB

english, 2018

25

Mo1128 INFLUENCE OF NUDT15 AND TPMT ON LONG-TERM CLINICAL COURSE OF PATIENTS WITH INFLAMMATORY BOWEL DESEASE TREATED WITH THIOPURINES

Kojima, Yuichiro, Hirotsu, Yosuke, Tsunoda, Shotaro, Amano, Hiryoyuki, Miura, Yuko, Ashizawa, Hiroshi, Nakagomi, Keiko, Ohyama, Hiroshi, Hosoda, Kenji, Suzuki, Yoji, Mochizuki, Hitoshi, Omata, Masao

Journal:

Gastroenterology

Année:

2020

Fichier:

PDF, 989 KB

2020