Keitaro Sugiyama: search on Z-Library

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1

One-pot acylation and fractional crystallization: preparation of optically active serinol monobenzoates

Shigeo Sugiyama, Takayuki Inoue, Keitaro Ishii

Journal:

Tetrahedron: Asymmetry

Year:

2003

Language:

english

File:

PDF, 293 KB

english, 2003

2

Long-term bradycardia caused by atrioventricular block can remodel the canine heart to detect the histamine H1 blocker terfenadine-induced torsades de pointes arrhythmias

Akira Takahara, Atsushi Sugiyama, Yuko Ishida, Yoshioki Satoh, Kai Wang, Yuji Nakamura, Keitaro Hashimoto

Journal:

British Journal of Pharmacology

Year:

2006

Language:

english

File:

PDF, 230 KB

english, 2006

3

Improved blood flow after percutaneous transluminal septal myocardial ablation visualized by 4D flow cardiac magnetic resonance in a case of hypertrophic obstructive cardiomyopathy

Suwa, Kenichiro, Akita, Keitaro, Iguchi, Keisuke, Sugiyama, Masataka, Maekawa, Yuichiro

Journal:

European Heart Journal - Cardiovascular Imaging

Year:

2018

Language:

english

File:

PDF, 244 KB

english, 2018

4

Total synthesis of (R)-(−)-actisonitrile via O-alkylation of optically active 4-hydroxymethyloxazolidin-2-one derivative

Shigeo Sugiyama, Akihiro Ishida, Moeko Tsuchida, Keitaro Ishii

Journal:

Tetrahedron: Asymmetry

Year:

2011

Language:

english

File:

PDF, 659 KB

english, 2011

5

Stereoselective Gram-Scale Synthesis of (S)-5,5-Dimethyl-4-phenyloxazolidin-2-one

Sugiyama, Shigeo, Ishii, Keitaro, Arai, Satoshi

Journal:

Year:

2005

Language:

english

File:

PDF, 187 KB

english, 2005

6

Measurement of adenylate cyclase activity in the minute bovine ciliary epithelial cells during the pharmacological stimulation of adrenergic and cholinergic receptors

Norifumi Sawada, Atsushi Sugiyama, Kenji Kashiwagi, Shigeo Tsukahara, Keitaro Hashimoto

Journal:

Journal of Clinical Laboratory Analysis

Year:

1999

Language:

english

File:

PDF, 87 KB

english, 1999

7

Utilization of spectral absorption for measurement of adenylate cyclase activity

Yoshiki Saegusa, Atsushi Sugiyama, Keitaro Hashimoto

Journal:

Journal of Clinical Laboratory Analysis

Year:

2000

Language:

english

File:

PDF, 56 KB

english, 2000

8

Measurement of adenylate cyclase activity in the right ventricular endomyocardial biopsy samples from patients with chronic congestive heart failure

Atsushi Sugiyama, Tetsuro Shirai, Kiyoshi Inoue, Keith G. Lurie, Keitaro Hashimoto

Journal:

Journal of Clinical Laboratory Analysis

Year:

2000

Language:

english

File:

PDF, 65 KB

english, 2000

9

ChemInform Abstract: Asymmetric Synthesis of the 4-Hydroxymethyl-2-oxazolidinone from the Serinol Derivative and Chloroformates.

Shigeo Sugiyama, Shoko Watanabe, Keitaro Ishii

Journal:

Year:

2000

File:

PDF, 27 KB

2000

10

ChemInform Abstract: Photoreactions of β-Aziridinylacrylonitrile. 1,3-Dipolar Cycloadditions of Photoinduced Azomethine Ylide.

Keitaro Ishii, Yukio Shimada, Shigeo Sugiyama, Masahiro Noji

Journal:

Year:

2000

File:

PDF, 33 KB

2000

11

ChemInform Abstract: A Three-Step Synthesis of Optically Active 5-Halomethyl-2-oxazolidinones (VII); Asymmetric Desymmetrization of Prochiral 1,3-Dihalo-2-propyl Carbamates.

Shigeo Sugiyama, Kenji Morishita, Keitaro Ishii

Journal:

Year:

2001

File:

PDF, 29 KB

2001

12

ChemInform Abstract: Chemoselective Debenzylation of the N-1-Phenylethyl Group in 2-Oxazolidinones by the Anisole—Methanesulfonic Acid System.

Shigeo Sugiyama, Kenji Morishita, Mariko Chiba, Keitaro Ishii

Journal:

Year:

2002

File:

PDF, 30 KB

2002

13

Novel Photoadditions of Tertiary Amines to the α-Position of α,β-Unsaturated γ,δ-Epoxy Nitriles.

Keitaro Ishii, Satoshi Hakamada, Mayumi Nagano, Masahiro Noji, Shigeo Sugiyama, Masashi Kotera, Masanori Sakamoto

Journal:

Year:

2003

File:

PDF, 149 KB

2003

14

One-Pot Acylation and Fractional Crystallization: Preparation of Optically Active Serinol Monobenzoates.

Shigeo Sugiyama, Takayuki Inoue, Keitaro Ishii

Journal:

Year:

2003

File:

PDF, 79 KB

2003

15

Photoreactions of β-Aziridinylacrylonitriles and Acrylates with Alkenes: Formation of Head-to-Head Adducts and Application to the Preparation of Pyrrolizidine Alkaloid.

Keitaro Ishii, Takuya Sone, Yukio Shimada, Takahide Shigeyama, Masahiro Noji, Shigeo Sugiyama

Journal:

Year:

2005

File:

PDF, 32 KB

2005

16

A Convenient Synthesis of Immunosuppressive Agent FTY720 Using the Petasis Reaction.

Shigeo Sugiyama, Satoshi Arai, Matsuri Kiriyama, Keitaro Ishii

Journal:

Year:

2005

File:

PDF, 21 KB

2005

17

Photoreactions of β-aziridinylacrylonitriles and acrylates with alkenes: the substituent effects on the formation of [3+2] cycloadducts

Keitaro Ishii, Takuya Sone, Takahide Shigeyama, Masahiro Noji, Shigeo Sugiyama

Journal:

Year:

2006

Language:

english

File:

PDF, 485 KB

english, 2006

18

Diastereoselective intramolecular acyl transfer of 5-(α-methylbenzyl)amino-1,3-dioxan-2-one to 4-hydroxymethyl-2-oxazolidinones

Shigeo Sugiyama, Haruka Fukuchi, Keitaro Ishii

Journal:

Year:

2007

Language:

english

File:

PDF, 870 KB

english, 2007

19

Short synthesis of both enantiomers of cytoxazone using the Petasis reaction

Shigeo Sugiyama, Satoshi Arai, Keitaro Ishii

Journal:

Tetrahedron: Asymmetry

Year:

2004

Language:

english

File:

PDF, 291 KB

english, 2004

20

Enantioselective addition of diethylzinc to aldehydes catalyzed by monosubstituted [2.2]paracyclophane-based N,O-ligands: remarkable cooperative effects of planar and central chiralities

Shigeo Sugiyama, Yoshinori Aoki, Keitaro Ishii

Journal:

Tetrahedron: Asymmetry

Year:

2006

Language:

english

File:

PDF, 232 KB

english, 2006

21

Studies on two different diastereoselective reaction pathways from a serinol derivative to 4-hydroxymethyl-2-oxazolidinones using 2-chloroethyl chloroformate and N,N′-disuccinimidyl carbonate

Shigeo Sugiyama, Keitaro Ishii

Journal:

Tetrahedron: Asymmetry

Year:

2010

Language:

english

File:

PDF, 1.16 MB

english, 2010

22

A novel dynamic kinetic resolution accompanied by intramolecular transesterification: asymmetric synthesis of a 4-hydroxymethyl-2-oxazolidinone from serinol derivatives

Shigeo Sugiyama, Shoko Watanabe, Takayuki Inoue, Rie Kurihara, Takahiro Itou, Keitaro Ishii

Journal:

Year:

2003

Language:

english

File:

PDF, 240 KB

english, 2003

23

Asymmetric synthesis of the 4-hydroxymethyl-2-oxazolidinone from the serinol derivative and chloroformates

Shigeo Sugiyama, Shoko Watanabe, Keitaro Ishii

Journal:

Tetrahedron Letters

Year:

1999

Language:

english

File:

PDF, 230 KB

english, 1999

24

Utilization of a model lung system to assess the effects of an inspiratory impedance threshold valve on the relationship between active decompression and intra-thoracic pressure

Atsushi Sugiyama, Keith G Lurie, Yoshikane Maeda, Yoshioki Satoh, Mutsuaki Imura, Keitaro Hashimoto

Journal:

Year:

1999

Language:

english

File:

PDF, 91 KB

english, 1999

25

Effects of antiarrhythmic drugs on canine ventricular arrhythmia models: Which electrophysiological characteristics of drugs are related to their effectiveness?

Keitaro Hashimoto, Akihiko Haruno, Takushi Matsuzaki, Atsushi Sugiyama, Kentaro Akiyama

Journal:

Cardiovascular Drugs and Therapy

Year:

1991

Language:

english

File:

PDF, 1.19 MB

english, 1991

26

Simultaneous assessment of the hemodynamic, cardiomechanical, and electrophysiological effects of terfenadine on the in vivo canine model

Tatsuya Usui, Atsushi Sugiyama, Yuko Ishida, Yoshioki Satoh, Yasuyuki Sasaki, Keitaro Hashimoto

Journal:

Heart and Vessels

Year:

1998

Language:

english

File:

PDF, 789 KB

english, 1998

27

Effects of antiarrhythmic drugs on the monophasic action potential of the canine isolated, blood-perfused ventricular septum preparation

Atsushi Hagihara, Atsushi Sugiyama, Keitaro Hashimoto

Journal:

Heart and Vessels

Year:

1998

Language:

english

File:

PDF, 698 KB

english, 1998

28

Negative chronotropic and inotropic effects of class I antiarrhythmic drugs assessed in isolated canine blood-perfused sinoatrial node and papillary muscle preparations

Atsushi Sugiyama, Shunji Takehana, Rie Kimura, Keitaro Hashimoto

Journal:

Heart and Vessels

Year:

1999

Language:

english

File:

PDF, 746 KB

english, 1999

29

Effects of class I antiarrhythmic drugs on the digitalis-induced triggered activity arrhythmia model: a rationale for the short-term use of class I drugs against triggered arrhythmias

Akira Takahara, Atsushi Sugiyama, Keitaro Hashimoto

Journal:

Heart and Vessels

Year:

2004

Language:

english

File:

PDF, 322 KB

english, 2004

30

Comparison of the direct negative dromotropic effect of a new calcium channel blocker, cilnidipine, with that of nicardipine

Atsushi Sugiyama, Yoshioki Satoh, Akira Takahara, Kentaro Ando, Yuji Nakamura, Keitaro Hashimoto

Journal:

Heart and Vessels

Year:

2005

Language:

english

File:

PDF, 308 KB

english, 2005

31

Non-phosphorylated FTY720 Induces Apoptosis of Human Microglia by Activating SREBP2

Takashi Yoshino, Hiroko Tabunoki, Shigeo Sugiyama, Keitaro Ishii, Seung U. Kim, Jun-ichi Satoh

Journal:

Cellular and Molecular Neurobiology

Year:

2011

Language:

english

File:

PDF, 2.06 MB

english, 2011

32

Effect of insecticides on the mortalities of three whitefly parasitoid species,Eretmocerusmundus,EretmoceruseremicusandEncarsiaformosa(Hymenoptera: Aphelinidae)

Keitaro Sugiyama, Haruki Katayama, Tsutomu Saito

Journal:

Applied Entomology and Zoology

Year:

2011

Language:

english

File:

PDF, 185 KB

english, 2011

33

Photoreactions of β-aziridinylacrylonitriles and acrylates with alkenes: formation of head-to-head adducts and application to the preparation of pyrrolizidine alkaloid

Keitaro Ishii, Takuya Sone, Yukio Shimada, Takahide Shigeyama, Masahiro Noji, Shigeo Sugiyama

Journal:

Year:

2004

Language:

english

File:

PDF, 402 KB

english, 2004

34

Detection of Apoptotic Cells in Human Colorectal Cancer by Two Different in situ Methods: Antibody against Single-stranded DNA and Terminal Deoxynucleotidyl Transferase-mediated dUTP-biotin Nick End-labeling (TUNEL) Methods

Ichizo Watanabe, Masao Toyoda, Junji Okuda, Toshiyuki Tenjo, Keitaro Tanaka, Tetsuhisa Yamamoto, Hiroshi Kawasaki, Toshihiro Sugiyama, Yoshihiko Kawarada, Nobuhiko Tanigawa

Journal:

Year:

1999

Language:

english

File:

PDF, 2.37 MB

english, 1999

35

AH-1058: A Novel Cardioselective Ca2+ Channel Blocker

Akira Takahara, Atsushi Sugiyama, Ryota Yoshimoto, Keitaro Hashimoto

Journal:

Cardiovascular Therapeutics

Year:

2001

Language:

english

File:

PDF, 373 KB

english, 2001

36

Cardiovascular Profile of the Canine Torsades de Pointes Arrhythmia Model Assessed by Echocardiographic and Haemodynamic Methods

Akira Takahara, Atsushi Sugiyama, Yoshioki Satoh, Hiroshi Iwasaki, Yuji Nakamura, Keitaro Hashimoto

Journal:

Basic & Clinical Pharmacology & Toxicology

Year:

2007

Language:

english

File:

PDF, 144 KB

english, 2007

37

Reduction of repolarization reserve by halothane anaesthesia sensitizes the guinea-pig heart for drug-induced QT interval prolongation

Akira Takahara, Atsushi Sugiyama, Keitaro Hashimoto

Journal:

British Journal of Pharmacology

Year:

2005

Language:

english

File:

PDF, 201 KB

english, 2005

38

Effects of the Antihypoxic and Neuroprotective Drug, Lubeluzole, on Repolarization Phase of Canine Heart Assessed by Monophasic Action Potential Recording

Atsushi Sugiyama, Cheng Ni, Jiro Arita, Koji Eto, Yi-xue Xue, Keitaro Hashimoto

Journal:

Toxicology and Applied Pharmacology

Year:

1996

Language:

english

File:

PDF, 105 KB

english, 1996

39

Effects of Nonsedating Antihistamine, Astemizole, on thein SituCanine Heart Assessed by Cardiohemodynamic and Monophasic Action Potential Monitoring

Atsushi Sugiyama, Nu Nu Aye, Seiichiro Katahira, Masaki Saitoh, Atsushi Hagihara, Yasuhito Matsubara, Keitaro Hashimoto

Journal:

Toxicology and Applied Pharmacology

Year:

1997

Language:

english

File:

PDF, 137 KB

english, 1997

40

Effects of Gastrointestinal Prokinetic Agents, TKS159 and Cisapride, on thein SituCanine Heart Assessed by Cardiohemodynamic and Electrophysiological Monitoring

Atsushi Sugiyama, Keitaro Hashimoto

Journal:

Toxicology and Applied Pharmacology

Year:

1998

Language:

english

File:

PDF, 194 KB

english, 1998

41

Proarrhythmic Effects of Fluoroquinolone Antibacterial Agents: In Vivo Effects as Physiologic Substrate for Torsades

Katsuyoshi Chiba, Atsushi Sugiyama, Yoshioki Satoh, Hiroyuki Shiina, Keitaro Hashimoto

Journal:

Toxicology and Applied Pharmacology

Year:

2000

Language:

english

File:

PDF, 207 KB

english, 2000

42

In Vivo Canine Model Comparison of Cardiohemodynamic and Electrophysiological Effects of a New Antipsychotic Drug Aripiprazole (OPC-14597) to Haloperidol

Atsushi Sugiyama, Yoshioki Satoh, Keitaro Hashimoto

Journal:

Toxicology and Applied Pharmacology

Year:

2001

Language:

english

File:

PDF, 141 KB

english, 2001

43

In vivo experimental approach for the risk assessment of fluoroquinolone antibacterial agents-induced long QT syndrome

Katsuyoshi Chiba, Atsushi Sugiyama, Takehiro Hagiwara, Shin-ichi Takahashi, Kiyoshi Takasuna, Keitaro Hashimoto

Journal:

European Journal of Pharmacology

Year:

2004

Language:

english

File:

PDF, 413 KB

english, 2004

44

Comparison of sensitivity of surrogate markers of drug-induced torsades de pointes in canine hearts

Katsuyoshi Chiba, Atsushi Sugiyama, Kiyoshi Takasuna, Keitaro Hashimoto

Journal:

European Journal of Pharmacology

Year:

2004

Language:

english

File:

PDF, 145 KB

english, 2004

45

Halothane sensitizes the canine heart to pharmacological IKr blockade

Akira Takahara, Atsushi Sugiyama, Yoshioki Satoh, Kai Wang, Sachiko Honsho, Keitaro Hashimoto

Journal:

European Journal of Pharmacology

Year:

2005

Language:

english

File:

PDF, 276 KB

english, 2005

46

Analysis of proarrhythmic potential of antipsychotics risperidone and olanzapine in anesthetized dogs

Kentaro Ando, Atsushi Sugiyama, Akira Takahara, Yoshioki Satoh, Tomomichi Ishizaka, Yuji Nakamura, Keitaro Hashimoto

Journal:

European Journal of Pharmacology

Year:

2007

Language:

english

File:

PDF, 810 KB

english, 2007

47

Antiarrhythmic and cardiohemodynamic effects of a novel Ca2+ channel blocker, AH-1058, assessed in canine arrhythmia models

Akira Takahara, Atsushi Sugiyama, Hideki Dohmoto, Ryota Yoshimoto, Keitaro Hashimoto

Journal:

European Journal of Pharmacology

Year:

2000

Language:

english

File:

PDF, 288 KB

english, 2000

48

Cardiovascular action of a cardioselective Ca2+channel blocker AH-1058 in conscious dogs assessed by telemetry

Akira Takahara, Hideki Dohmoto, Ryota Yoshimoto, Atsushi Sugiyama, Keitaro Hashimoto

Journal:

European Journal of Pharmacology

Year:

2001

Language:

english

File:

PDF, 460 KB

english, 2001

49

Cardiovascular effects of Y-27632, a selective Rho-associated kinase inhibitor, assessed in the halothane-anesthetized canine model

Akira Takahara, Atsushi Sugiyama, Yoshioki Satoh, Masahiko Yoneyama, Keitaro Hashimoto

Journal:

European Journal of Pharmacology

Year:

2003

Language:

english

File:

PDF, 196 KB

english, 2003

50

Famotidine does not induce long QT syndrome: experimental evidence from in vitro and in vivo test systems

Atsushi Sugiyama, Yoshioki Satoh, Akira Takahara, Yuji Nakamura, Masao Shimizu-Sasamata, Shuichi Sato, Keiji Miyata, Keitaro Hashimoto

Journal:

European Journal of Pharmacology

Year:

2003

Language:

english

File:

PDF, 312 KB

english, 2003

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