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1

The Pectoral Fin Muscles of the Coelacanth Latimeria chalumnae ; Functional and Evolutionary Implications for the Fin-to-Limb Transition and Subsequent Evolution of Tetrapods

Miyake, Tsutomu, Kumamoto, Minayori, Iwata, Masamitsu, Sato, Ryuichi, Okabe, Masataka, Koie, Hiroshi, Kumai, Nori, Fujii, Kenichi, Matsuzaki, Koji, Nakamura, Chiho, Yamauchi, Shinya, Yoshida, Kosuke,

Journal:

The Anatomical Record

Year:

2016

Language:

english

File:

PDF, 2.93 MB

english, 2016

2

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

3

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

4

Dihydroxylation of Functionalized Coumarin Derivatives

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

Journal:

Year:

2009

Language:

english

File:

PDF, 185 KB

english, 2009

5

Guanidines in Organic Synthesis

Ishikawa, Tsutomu, Kumamoto, Takuya

Journal:

Year:

2006

Language:

english

File:

PDF, 316 KB

english, 2006

6

[IEEE TENCON 2018 - 2018 IEEE Region 10 Conference - Jeju, Korea (South) (2018.10.28-2018.10.31)] TENCON 2018 - 2018 IEEE Region 10 Conference - A Design of Engineering PBL on Embedded System for Novice Freshmen Students

Kobayashi, Hiroyuki, Kumamoto, Kazuo, Yoshimura, Tsutomu, Haga, Toshio, Iyota, Muneyoshi, Katoh, Makoto

Year:

2018

Language:

english

File:

PDF, 2.09 MB

english, 2018

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

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

9

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

10

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

11

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

12

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

13

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

14

Chemistry of Structurally Confused Kinamycins

Takuya Kumamoto, Tsutomu Ishikawa, Satoshi Omura

Journal:

Year:

2004

File:

PDF, 51 KB

2004

15

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

16

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

17

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

18

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

19

ChemInform Abstract: Amidines in Organic Synthesis

Tsutomu Ishikawa, Takuya Kumamoto

Journal:

Year:

2010

File:

PDF, 23 KB

2010

20

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

21

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

22

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

23

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

24

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

25

Analysis of genomic polymorphism among herpes simplex virus type 2 isolates from four areas of Japan and three other countries

Dr. Hiroshi Sakaoka, Keiko Kurita, Tsutomu Gouro, Yoshiaki Kumamoto, Shigeo Sawada, Makoto Ihara, Takashi Kawana

Journal:

Journal of Medical Virology

Year:

1995

Language:

english

File:

PDF, 1.32 MB

english, 1995

26

Demonstration of either endogenous recurrence or exogenous reinfection by resiriction endonuclease cleavage analysis of herpes simplex virus from patients with recrudescent genital herpes

Dr. Hiroshi Sakaoka, Tsugumitsu Aomori, Tsutomu Gouro, Yoshiaki Kumamoto

Journal:

Journal of Medical Virology

Year:

1995

Language:

english

File:

PDF, 1.18 MB

english, 1995

27

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

28

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

29

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

30

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

31

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

32

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

33

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

34

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

35

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

36

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

37

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

38

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

39

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

40

Nicotinic acetylcholine receptor-ion channels involved in synaptic currents in bullfrog sympathetic ganglion cells and effects of atropine

Shoichi Minota, Tsutomu Eguchi, Kenji Kuba, Eiichi Kumamoto

Journal:

Pflügers Archiv European Journal of Physiology

Year:

1989

Language:

english

File:

PDF, 865 KB

english, 1989

41

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

42

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

43

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

44

Inhibitory effect of the extracts from Thai medicinal plants on iNOS expression in mouse macrophage RAW

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

Journal:

Journal of Natural Medicines

Year:

2009

Language:

english

File:

PDF, 223 KB

english, 2009

45

A new sesquiterpene and other terpenoid constituents ofChisocheton penduliflorus

Jarinporn Phongmaykin, Takuya Kumamoto, Tsutomu Ishikawa, Rutt Suttisri, Ekarin Saifah

Journal:

Archives of Pharmacal Research

Year:

2008

Language:

english

File:

PDF, 176 KB

english, 2008

46

Radical-mediated furanose ring reconstruction from 2′,3′-seco-uridine

Hiroki Kumamoto, Junko Ogamino, Hiromichi Tanaka, Hisaki Suzuki, Kazuhiro Haraguchi, Tadashi Miyasaka, Tsutomu Yokomatsu, Shiroshi Shibuya

Journal:

Year:

2001

Language:

english

File:

PDF, 285 KB

english, 2001

47

ChemInform Abstract: Chiba-G-Catalyzed Intramolecular oxo-Michael Addition: Synthetic Approaches to Vitamin E Skeleton.

Sayaka Tokunou, Waka Nakanishi, Natsuko Kagawa, Takuya Kumamoto, Tsutomu Ishikawa

Journal:

Year:

2012

File:

PDF, 32 KB

2012

48

Mechanism of nanoparticle formation from ternary coground phenytoin and its derivatives

Kunikazu Moribe, Akiko Ogino, Takuya Kumamoto, Tsutomu Ishikawa, Waree Limwikrant, Kenjirou Higashi, Keiji Yamamoto

Journal:

Journal of Pharmaceutical Sciences

Year:

2012

Language:

english

File:

PDF, 528 KB

english, 2012

49

Oxidative metabolism of 5-methoxy-N,N-diisopropyltryptamine (Foxy) by human liver microsomes and recombinant cytochrome P450 enzymes

Shizuo Narimatsu, Rei Yonemoto, Keita Saito, Kazuo Takaya, Takuya Kumamoto, Tsutomu Ishikawa, Masato Asanuma, Masahiko Funada, Kimio Kiryu, Shinsaku Naito, Yuzo Yoshida, Shigeo Yamamoto, Nobumitsu Han

Journal:

Biochemical Pharmacology

Year:

2006

Language:

english

File:

PDF, 305 KB

english, 2006

50

Oxidation of 5-methoxy-N,N-diisopropyltryptamine in rat liver microsomes and recombinant cytochrome P450 enzymes

Shizuo Narimatsu, Rei Yonemoto, Kazufumi Masuda, Takashi Katsu, Masato Asanuma, Tooru Kamata, Munehiro Katagi, Hitoshi Tsuchihashi, Takuya Kumamoto, Tsutomu Ishikawa, Shinsaku Naito, Shigeru Yamano, N

Journal:

Biochemical Pharmacology

Year:

2008

Language:

english

File:

PDF, 498 KB

english, 2008

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