Kumamoto, Takuya: search on Z-Library

The world's largest scientific articles store. 70,000,000+ articles for free.

Don't use scam websites

1

Current Challenges and Potential Opportunities for the Pharmaceutical Sciences to Make Global Impact: An FIP Perspective

Tucker, Geoffrey, DeSilva, Binodh, Dressman, Jennifer, Ito, Michiho, Kumamoto, Takuya, Mager, Don, Mahler, Hanns-Christian, Maitland-van der Zee, Anke H., Pauletti, Giovanni M., Sasaki, Hitoshi, Shah,

Journal:

Journal of Pharmaceutical Sciences

Year:

2016

Language:

english

File:

PDF, 345 KB

english, 2016

2

Concentrations of dabigatran administered after acute ischemic stroke

Wada, Shinichi, Inoue, Manabu, Matsuki, Takayuki, Okata, Takuya, Kumamoto, Masaya, Tagawa, Naoki, Yoshimura, Sohei, Okamoto, Akira, Miyata, Toshiyuki, Ihara, Masafumi, Toyoda, Kazunori, Koga, Masatosh

Journal:

Journal of the Neurological Sciences

Year:

2020

Language:

english

File:

PDF, 450 KB

english, 2020

3

Guanidine-Catalyzed Asymmetric Synthesis of 2,2-Disubstituted Chromane Skeletons by Intramolecular Oxa-Michael Addition

Noriko Saito, Akemi Ryoda, Waka Nakanishi, Takuya Kumamoto, Tsutomu Ishikawa

Journal:

European Journal of Organic Chemistry

Year:

2008

Language:

english

File:

PDF, 268 KB

english, 2008

4

Simultaneous analysis of six phenethylamine-type designer drugs by TLC, LC-MS, and GC-MS

Kohei Kanai, Kenichi Takekawa, Takuya Kumamoto, Tsutomu Ishikawa, Takeshi Ohmori

Journal:

Forensic Toxicology

Year:

2008

Language:

english

File:

PDF, 396 KB

english, 2008

5

Dihydroxylation of Functionalized Coumarin Derivatives

Kumamoto, Takuya, Ishikawa, Tsutomu, Fusegi, Keiko, Nakanishi, Waka

Journal:

Year:

2009

Language:

english

File:

PDF, 185 KB

english, 2009

6

Guanidines in Organic Synthesis

Ishikawa, Tsutomu, Kumamoto, Takuya

Journal:

Year:

2006

Language:

english

File:

PDF, 316 KB

english, 2006

7

Synthetic Studies on Kinamycin Antibiotics: Synthesis of a Trioxygenated Benz[f]indenone and its Diels–Alder Reaction to a Kinamycin Skeleton

Yasuo Kitani, Akiko Morita, Takuya Kumamoto, Tsutomu Ishikawa

Journal:

Helvetica Chimica Acta

Year:

2002

Language:

english

File:

PDF, 123 KB

english, 2002

8

Remarkable Stereocontrol in the Palladium-Catalysed Cyclopropanation of Vinyl- and Dienylboronates by Substituted Diazoalkanes

István E Markó, Takuya Kumamoto, Thierry Giard

Journal:

Advanced Synthesis & Catalysis

Year:

2002

Language:

english

File:

PDF, 81 KB

english, 2002

9

Guanidine-Catalyzed Asymmetric Trimethylsilylcyanation of Carbonyl Compounds

Yukari Kitani, Takuya Kumamoto, Toshio Isobe, Keiko Fukuda, Tsutomu Ishikawa

Journal:

Advanced Synthesis & Catalysis

Year:

2005

Language:

english

File:

PDF, 93 KB

english, 2005

10

Hoch diastereoselektive silylmodifizierte Sakurai-Mehrkomponentenreaktion

Jiří Pospíšil, Takuya Kumamoto, István E. Markó

Journal:

Angewandte Chemie

Year:

2006

Language:

german

File:

PDF, 135 KB

german, 2006

11

Highly Diastereoselective Silyl-Modified Sakurai Multicomponent Reaction

Jiøí Pospíšil, Takuya Kumamoto, István E. Markó

Journal:

Angewandte Chemie International Edition

Year:

2006

Language:

english

File:

PDF, 134 KB

english, 2006

12

ChemInform Abstract: Enantioselective Total Synthesis of Anti-HIV-1 Active (+)-Calanolide A Through a Quinine-Catalyzed Asymmetric Intramolecular oxo-Michael Addition.

Tomohiro Tanaka, Takuya Kumamoto, Tsutomu Ishikawa

Journal:

Year:

2001

File:

PDF, 36 KB

2001

13

ChemInform Abstract: Modified Guanidines as Chiral Superbases: Application to Asymmetric Michael Reaction of Glycine Imine with Acrylate or Its Related Compounds.

Tsutomu Ishikawa, Yukari Araki, Takuya Kumamoto, Hiroko Seki, Keiko Fukuda, Toshio Isobe

Journal:

Year:

2001

File:

PDF, 28 KB

2001

14

ChemInform Abstract: Synthetic Studies on Kinamycin Antibiotics: Elaboration of a Highly Oxygenated D Ring.

Takuya Kumamoto, Nobutaka Tabe, Kentaro Yamaguchi, Hiroshi Yagishita, Hiromichi Iwasa, Tsutomu Ishikawa

Journal:

Year:

2001

File:

PDF, 33 KB

2001

15

ChemInform Abstract: Synthetic Studies on Kinamycin Antibiotics: Synthesis of a Trioxygenated Benz[f]indenone and Its Diels—Alder Reaction to a Kinamycin Skeleton.

Yasuo Kitani, Akiko Morita, Takuya Kumamoto, Tsutomu Ishikawa

Journal:

Year:

2002

File:

PDF, 33 KB

2002

16

Remarkable Stereocontrol in the Palladium-Catalyzed Cyclopropanation of Vinyl- and Dienylboronates by Substituted Diazoalkanes.

Istvan E. Marko, Takuya Kumamoto, Thierry Giard

Journal:

Year:

2003

File:

PDF, 165 KB

2003

17

Structural Revision of the Ring-Opened Product in the ZnCl2-Catalyzed Reactions of 1-Benzyl-2-phenylaziridine with Thiols.

Yukiko Furuta, Takuya Kumamoto, Tsutomu Ishikawa

Journal:

Year:

2004

File:

PDF, 76 KB

2004

18

Chemistry of Structurally Confused Kinamycins

Takuya Kumamoto, Tsutomu Ishikawa, Satoshi Omura

Journal:

Year:

2004

File:

PDF, 51 KB

2004

19

Concise Synthesis of anti-HIV-1 Active (+)-Inophyllum B (Ib) and (+)-Calanolide A (Ia) by Application of (-)-Quinine-Catalyzed Intramolecular Oxo-Michael Addition.

Etsuko Sekino, Takuya Kumamoto, Tomohiro Tanaka, Tomoko Ikeda, Tsutomu Ishikawa

Journal:

Year:

2004

File:

PDF, 63 KB

2004

20

Guanidines as a Nitrogen Source for Direct Conversion of Epoxides to Aziridines.

Yukiko Tsuchiya, Takuya Kumamoto, Tsutomu Ishikawa

Journal:

Year:

2005

File:

PDF, 28 KB

2005

21

ChemInform Abstract: Isolation of Acridone Alkaloids and N-[(4-Monoterpenyloxy)phenylethyl]-Substituted Sulfur-Containing Propanamide Derivatives from Glycosmis parva and Their Antiherpes Simplex Virus Activity.

Chaisak Chansriniyom, Nijsiri Ruangrungsi, Vimolmas Lipipun, Takuya Kumamoto, Tsutomu Ishikawa

Journal:

Year:

2010

Language:

english

File:

PDF, 21 KB

english, 2010

22

ChemInform Abstract: M10709, a New Cyclic Peptide Antibiotic from Clinically Isolated Streptomyces sp.

Takuya Kumamoto, Hiroyuki Koshino, Daisuke Watanabe, Yuko Matsumoto, Kazuki Aoyama, Ken-ichi Harada, Tsutomu Ishikawa, Yuzuru Mikami

Journal:

Year:

2010

File:

PDF, 15 KB

2010

23

ChemInform Abstract: Amidines in Organic Synthesis

Tsutomu Ishikawa, Takuya Kumamoto

Journal:

Year:

2010

File:

PDF, 23 KB

2010

24

ChemInform Abstract: Synthetic Studies Towards Kinamycin Antibiotics

Takuya Kumamoto

Journal:

Year:

2011

File:

PDF, 18 KB

2011

25

Exceptional Superbasicity of Bis(guanidine) Proton Sponges Imposed by the Bis(secododecahedrane) Molecular Scaffold: A Computational Study

Davor Margetić, Tsutomu Ishikawa, Takuya Kumamoto

Journal:

European Journal of Organic Chemistry

Year:

2010

Language:

english

File:

PDF, 731 KB

english, 2010

26

Ring-Opening Reactions of 3-Aryl-1-benzylaziridine-2-carboxylates and Application to the Asymmetric Synthesis of an Amphetamine-Type Compound

Tomoyuki Manaka, Shin-Ichiro Nagayama, Wannaporn Desadee, Naoki Yajima, Takuya Kumamoto, Toshiko Watanabe, Tsutomu Ishikawa, Masatoshi Kawahata, Kentaro Yamaguchi

Journal:

Helvetica Chimica Acta

Year:

2007

Language:

english

File:

PDF, 218 KB

english, 2007

27

Practical Enzymatic Desymmetrization of 2-(Ethoxycarbonyl)propane-1,3-diyl Dihexanoate and Model Cyclization for the A–D Ring System of Lysergic Acid

Sachiho Miyata, Takuya Kumamoto, Tsutomu Ishikawa

Journal:

Helvetica Chimica Acta

Year:

2007

Language:

english

File:

PDF, 240 KB

english, 2007

28

Synthesis, Physical Properties, and Cytotoxicity of Nitroxyl–Aziridine Hybrid

Takuya Kumamoto, Kazuya Suzuki, Sang-kook Kim, Katsuyoshi Hoshino, Masahiro Takahashi, Hiromi Sato, Hiroki Iwata, Koichi Ueno, Masahiro Fukuzumi, Tsutomu Ishikawa

Journal:

Helvetica Chimica Acta

Year:

2010

Language:

english

File:

PDF, 167 KB

english, 2010

29

Syntheses of Prekinamycin and a Tetracyclic Quinone from Common Synthetic Intermediates

Shingo Kimura, Satoshi Kobayashi, Takuya Kumamoto, Aki Akagi, Naomi Sato, Tsutomu Ishikawa

Journal:

Helvetica Chimica Acta

Year:

2011

Language:

english

File:

PDF, 246 KB

english, 2011

30

Brain perfusion differences in Parkinsonian disorders

Noriyuki Kimura, Syojirou Hanaki, Teruaki Masuda, Takuya Hanaoka, Yusuke Hazama, Toshio Okazaki, Ryuki Arakawa, Toshihide Kumamoto

Journal:

Movement Disorders

Year:

2011

Language:

english

File:

PDF, 725 KB

english, 2011

31

Application of ascorbic acid 2-glucoside as a solubilizing agent for clarithromycin: Solubilization and nanoparticle formation

Yutaka Inoue, Sachie Yoshimura, Yuichi Tozuka, Kunikazu Moribe, Takuya Kumamoto, Tsutomu Ishikawa, Keiji Yamamoto

Journal:

International Journal of Pharmaceutics

Year:

2007

Language:

english

File:

PDF, 654 KB

english, 2007

32

Chiral lithium 2-aminoalkoxides as reagents for enantioselective Michael reaction

Takuya Kumamoto, Shin Aoki, Makoto Nakajima, Kenji Koga

Journal:

Tetrahedron: Asymmetry

Year:

1994

Language:

english

File:

PDF, 158 KB

english, 1994

33

Role of ADAM8 in experimental asthma

Osamu Matsuno, Eishi Miyazaki, Shinichi Nureki, Takuya Ueno, Toshihide Kumamoto, Yasunori Higuchi

Journal:

Immunology Letters

Year:

2006

Language:

english

File:

PDF, 475 KB

english, 2006

34

Total synthesis of (±)-methyl-kinamycin C

Takuya Kumamoto, Yasuo Kitani, Hideyoshi Tsuchiya, Kentaro Yamaguchi, Hiroko Seki, Tsutomu Ishikawa

Journal:

Year:

2007

Language:

english

File:

PDF, 561 KB

english, 2007

35

Synthetic studies toward miroestrols: trials for elongation of the methyl group of 5-substituted 2-methyl-2-cyclohexanone to 3-methyl-2-butenyl function

Fumihiro Ito, Takuya Kumamoto, Kentaro Yamaguchi, Tsutomu Ishikawa

Journal:

Year:

2009

Language:

english

File:

PDF, 523 KB

english, 2009

36

Ring-opening reaction of unactivated 3-arylaziridine-2-carboxylates with nitrile reagents

Yukiko Hayashi, Takuya Kumamoto, Masatoshi Kawahata, Kentaro Yamaguchi, Tsutomu Ishikawa

Journal:

Year:

2010

Language:

english

File:

PDF, 371 KB

english, 2010

37

Regioselective boron trichloride-mediated aromatic Claisen rearrangement of resorcinol allyl ethers

Fumihiro Ito, Takuya Kumamoto, Tsutomu Ishikawa

Journal:

Tetrahedron Letters

Year:

2005

Language:

english

File:

PDF, 129 KB

english, 2005

38

Synthetic studies on jadomycins: synthesis of dimethyljadomycin A

Yuhsuke Akagi, Shin-ichiro Yamada, Natsuno Etomi, Takuya Kumamoto, Waka Nakanishi, Tsutomu Ishikawa

Journal:

Tetrahedron Letters

Year:

2010

Language:

english

File:

PDF, 280 KB

english, 2010

39

Access to the nicotine system by application of a guanidine-catalyzed asymmetric Michael addition of diphenyliminoacetate with 3-pyridyl vinyl ketone

Gang Zhang, Takuya Kumamoto, Takashi Heima, Tsutomu Ishikawa

Journal:

Tetrahedron Letters

Year:

2010

Language:

english

File:

PDF, 411 KB

english, 2010

40

Synthetic studies on kinamycin antibiotics: elaboration of a highly oxygenated D ring

Takuya Kumamoto, Nobutaka Tabe, Kentaro Yamaguchi, Hiroshi Yagishita, Hiromichi Iwasa, Tsutomu Ishikawa

Journal:

Year:

2001

Language:

english

File:

PDF, 290 KB

english, 2001

41

Synthetic studies on kinamycin antibiotics: elaboration of a highly oxygenated D-ring

Takuya Kumamoto, Nobutaka Tabe, Kentaro Yamaguchi, Tsutomu Ishikawa

Journal:

Tetrahedron Letters

Year:

2000

Language:

english

File:

PDF, 220 KB

english, 2000

42

Enantioselective total synthesis of anti HIV-1 active (+)-calanolide A through a quinine-catalyzed asymmetric intramolecular oxo-Michael addition

Tomohiro Tanaka, Takuya Kumamoto, Tsutomu Ishikawa

Journal:

Tetrahedron Letters

Year:

2000

Language:

english

File:

PDF, 72 KB

english, 2000

43

An approach to anti-HIV-1 active Calophyllum coumarin synthesis: An enantioselective construction of 2,3-dimethyl-4-chromanone ring by quinine-assisted intramolecular Michael-type addition

Tsutomu Ishikawa, Yumie Oku, Tomohiro Tanaka, Takuya Kumamoto

Journal:

Tetrahedron Letters

Year:

1999

Language:

english

File:

PDF, 211 KB

english, 1999

44

Solvent effects on stereoselectivity in 2,3-dimethyl-4-chromanone cyclization by quinine-catalyzed asymmetric intramolecular oxo-Michael addition

Tomohiro Tanaka, Takuya Kumamoto, Tsutomu Ishikawa

Journal:

Tetrahedron: Asymmetry

Year:

2000

Language:

english

File:

PDF, 94 KB

english, 2000

45

Synthesis of enantiomeric 4-hydroxypropranolols from 1,4-dihydroxynaphthalene

Takuya Kumamoto, Naho Aoyama, Satoko Nakano, Tsutomu Ishikawa, Shizuo Narimatsu

Journal:

Tetrahedron: Asymmetry

Year:

2001

Language:

english

File:

PDF, 105 KB

english, 2001

46

Significance of Serum Vascular Endothelial Growth Factor Level in Patients with Idiopathic Pulmonary Fibrosis

Masaru Ando, Eishi Miyazaki, Takeo Ito, Shigeo Hiroshige, Shin-ich Nureki, Takuya Ueno, Ryuichi Takenaka, Tetsujiro Fukami, Toshihide Kumamoto

Journal:

Year:

2010

Language:

english

File:

PDF, 197 KB

english, 2010

47

Early assessment of rapidly progressive interstitial pneumonia associated with amyopathic dermatomyositis

Eishi Miyazaki, Masaru Ando, Tomoko Muramatsu, Tetsujiro Fukami, Osamu Matsuno, Shin-ichi Nureki, Takuya Ueno, Tomiyasu Tsuda, Toshihide Kumamoto

Journal:

Clinical Rheumatology

Year:

2007

Language:

english

File:

PDF, 192 KB

english, 2007

48

Complexability ofo-bisguanidinobenzenes with arsenic and phosphoric acids in solution and solid states, and the potential use of their immobilized derivatives as solid base ligands for metal salts and arsenic acid

Tomoya Ito, Koji Suda, Takuya Kumamoto, Waka Nakanishi, Toshiko Watanabe, Tsutomu Ishikawa, Hiroko Seki, Masatoshi Kawahata, Kentaro Yamaguchi, Yasumitsu Ogura, Kazuo T. Suzuki

Journal:

Molecular Diversity

Year:

2010

Language:

english

File:

PDF, 799 KB

english, 2010

49

The structure–activity relationship between oxycoumarin derivatives showing inhibitory effects on iNOS in mouse macrophage RAW264.7 cells

Tomonori Nakamura, Naoko Kodama, Manabu Oda, Shizuko Tsuchiya, Yu Arai, Takuya Kumamoto, Tsutomu Ishikawa, Koichi Ueno, Shingo Yano

Journal:

Journal of Natural Medicines

Year:

2009

Language:

english

File:

PDF, 564 KB

english, 2009

50

Inhibitory effect of oxycoumarins isolated from the Thai medicinal plantClausena guillauminiion the inflammation mediators, iNOS, TNF-α, and COX-2 expression in mouse macrophage RAW

Tomonori Nakamura, Naoko Kodama, Yu Arai, Takuya Kumamoto, Yoshihiro Higuchi, Chaiyo Chaichantipyuth, Tsutomu Ishikawa, Koichi Ueno, Shingo Yano

Journal:

Journal of Natural Medicines

Year:

2009

Language:

english

File:

PDF, 402 KB

english, 2009