HATAKEYAMA, Keisuke: search on Z-Library

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

Don't use scam websites

1

Total Synthesis of Neooxazolomycin

Evans Otieno Onyango, Joji Tsurumoto, Naoko Imai, Keisuke Takahashi, Jun Ishihara, Susumi Hatakeyama

Journal:

Angewandte Chemie

Year:

2007

Language:

english

File:

PDF, 117 KB

english, 2007

2

Intraoperative ultrasonography versus cholangiography during laparoscopic cholecystectomy: a prospective comparative study

Tetsuya Ohtani, Chihiro Kawai, Yoshio Shirai, Kazutake Kawakami, Keisuke Yoshida, Katsuyoshi Hatakeyama

Journal:

Journal of the American College of Surgeons

Year:

1997

Language:

english

File:

PDF, 4.25 MB

english, 1997

3

Total Synthesis of (−)-Cinatrin C 1 Based on an In(OTf) 3 -Catalyzed Conia-Ene Reaction

Urabe, Fumiya, Nagashima, Shunsuke, Takahashi, Keisuke, Ishihara, Jun, Hatakeyama, Susumi

Journal:

Journal of Organic Chemistry

Year:

2013

Language:

english

File:

PDF, 874 KB

english, 2013

4

Unified synthesis of tirandamycins and streptolydigins

Yoshimura, Hikaru, Takahashi, Keisuke, Ishihara, Jun, Hatakeyama, Susumi

Journal:

Chemical Communications

Year:

2015

Language:

english

File:

PDF, 978 KB

english, 2015

5

A New Method for the Protection of Carboxylic Acids with a Triisopropylsiloxymethyl Group

Yoshimura, Hikaru, Eto, Kohei, Takahashi, Keisuke, Ishihara, Jun, Hatakeyama, Susumi

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

2012

Language:

english

File:

PDF, 706 KB

english, 2012

6

Corrosion Resistance of the Sintered Fe-Cu-C, Fe-Cu-Ni-Mo-C and Fe-Cr-Mo-C Alloys Coated with a Rust Preventive Oil

Sunada, Satoshi, Hatakeyama, Masahiko, Hibino, Keisuke, Tagishi, Kentoro, Mizukoshi, Yusuke, Takeuchi, Syugo, Maekawa, Yohta, Nagase, Naoki

Journal:

Materials Science Forum

Year:

2020

File:

PDF, 1.56 MB

2020

7

Total Synthesis of (+)-β-Erythroidine

Hironori Fukumoto, Keisuke Takahashi, Jun Ishihara, Susumi Hatakeyama

Journal:

Angewandte Chemie

Year:

2006

Language:

english

File:

PDF, 149 KB

english, 2006

8

Total Synthesis of (+)-β-Erythroidine

Hironori Fukumoto, Keisuke Takahashi, Jun Ishihara, Susumi Hatakeyama

Journal:

Angewandte Chemie International Edition

Year:

2006

Language:

english

File:

PDF, 149 KB

english, 2006

9

Cationic Zirconocene- or Hafnocene-Based Lewis Acids in Organic Synthesis: Glycoside—Flavonoid Analogy.

Ken Ohmori, Keisuke Hatakeyama, Hiroki Ohrui, Keisuke Suzuki

Journal:

Year:

2004

File:

PDF, 200 KB

2004

10

Recent Developments in Marine Indole Alkaloid Synthesis

Masako Nakagawa, Toshiaki Nagata, Koji Ono, Hideharu Uchida, Takeshi Watanabe, Keisuke Hatakeyama, Masakatsu Akiba, Mihoko Fuwa, Mitsuhiro Arisawa, Atsushi Nishida

Journal:

Year:

2004

File:

PDF, 10 KB

2004

11

Total Synthesis of Viridiofungin A.

Kenji Morokuma, Keisuke Takahashi, Jun Ishihara, Susumi Hatakeyama

Journal:

Year:

2005

File:

PDF, 11 KB

2005

12

Synthesis of (.+-.)-Lotthanongine, a Novel Natural Product with a Flavan—Indole Hybrid Structure.

Keisuke Hatakeyama, Ken Ohmori, Keisuke Suzuki

Journal:

Year:

2005

File:

PDF, 11 KB

2005

13

ChemInform Abstract: Synthetic Studies of Vitamin D Analogues. Part 35. An Improved Synthesis of 1-epi-ED-71, a Biologically Interesting Diastereomer of 1α,25-Dihydroxy-2β-(3-hydroxypropoxy)vitamin D3 (ED-71).

Kohei Eto, Ayako Fujiyama, Mai Kaneko, Keisuke Takahashi, Jun Ishihara, Susumi Hatakeyama, Yoshiyuki Ono, Noboru Kubodera

Journal:

Year:

2009

File:

PDF, 26 KB

2009

14

ChemInform Abstract: A New Variant of Reformatsky—Claisen Rearrangement Mediated by Indium Chloride.

Jun Ishihara, Noriko Koyama, Yukihiro Nishino, Keisuke Takahashi, Susumi Hatakeyama

Journal:

Year:

2010

File:

PDF, 45 KB

2010

15

ChemInform Abstract: Enantio- and Stereoselective Route to the Phoslactomycin Family of Antibiotics: Formal Synthesis of (+)-Fostriecin and (+)-Phoslactomycin B.

Shaheen M. Sarkar, Everlyne N. Wanzala, Setsuya Shibahara, Keisuke Takahashi, Jun Ishihara, Susumi Hatakeyama

Journal:

Year:

2010

File:

PDF, 57 KB

2010

16

ChemInform Abstract: Synthetic Studies on Vitamin D Analogues. Part 37. Synthesis of 20-Epi-eldecalcitol [20-Epi-1α,25-dihydroxy-2β-(3-hydroxypropoxy)vitamin D3: 20-Epi-ED-71].

Madoka Yoshino, Kohei Eto, Keisuke Takahashi, Jun Ishihara, Susumi Hatakeyama, Yoshiyuki Ono, Hitoshi Saito, Noboru Kubodera

Journal:

Year:

2010

File:

PDF, 20 KB

2010

17

ChemInform Abstract: Synthetic Study on Clutiolide Based on a Remote Chelation Controlled Ireland—Claisen Rearrangement.

Jun Ishihara, Okihisa Tokuda, Kazunori Shiraishi, Yukihiro Nishino, Keisuke Takahashi, Susumi Hatakeyama

Journal:

Year:

2010

File:

PDF, 56 KB

2010

18

ChemInform Abstract: Indium-Catalyzed Conia-Ene Reaction and Total Syntheses of Biologically Active Alkaloids

Keisuke Takahashi, Susumi Hatakeyama

Journal:

Year:

2011

File:

PDF, 20 KB

2011

19

ChemInform Abstract: Indium-Mediated Reformatsky—Claisen Rearrangement.

Jun Ishihara, Yuki Watanabe, Noriko Koyama, Yukihiro Nishino, Keisuke Takahashi, Susumi Hatakeyama

Journal:

Year:

2011

File:

PDF, 48 KB

2011

20

ChemInform Abstract: Synthetic Studies on Vitamin D Analogues. Part 39. Synthesis of 1-Deoxyeldecalcitol, a Biologically Interesting Analogue of 1α,25-Dihydroxy-2β-(3-hydroxypropoxy)vitamin D3 (Eldecalcitol).

Hirotaka Sasaki, Kohei Eto, Keisuke Takahashi, Jun Ishihara, Susumi Hatakeyama, Noboru Kubodera

Journal:

Year:

2011

File:

PDF, 33 KB

2011

21

Synthesis and evaluation of a 3-position diastereomer of 1α,25-dihydroxy-2β-(3-hydroxypropoxy)vitamin D3 (ED-71)

Susumi Hatakeyama, Satoshi Nagashima, Naoko Imai, Keisuke Takahashi, Jun Ishihara, Atsuko Sugita, Takeshi Nihei, Hitoshi Saito, Fumiaki Takahashi, Noboru Kubodera

Journal:

Bioorganic & Medicinal Chemistry

Year:

2006

Language:

english

File:

PDF, 217 KB

english, 2006

22

Cationic zirconocene- or hafnocene-based Lewis acids in organic synthesis: glycoside–flavonoid analogy

Ken Ohmori, Keisuke Hatakeyama, Hiroki Ohrui, Keisuke Suzuki

Journal:

Year:

2004

Language:

english

File:

PDF, 438 KB

english, 2004

23

β-Isocupreidine–hexafluoroisopropyl acrylate method for asymmetric Baylis–Hillman reactions

Ayako Nakano, Sakie Kawahara, Saori Akamatsu, Kenji Morokuma, Mari Nakatani, Yoshiharu Iwabuchi, Keisuke Takahashi, Jun Ishihara, Susumi Hatakeyama

Journal:

Year:

2006

Language:

english

File:

PDF, 270 KB

english, 2006

24

Indium-mediated Reformatsky–Claisen rearrangement

Jun Ishihara, Yuki Watanabe, Noriko Koyama, Yukihiro Nishino, Keisuke Takahashi, Susumi Hatakeyama

Journal:

Year:

2011

Language:

english

File:

PDF, 2.48 MB

english, 2011

25

Asymmetric synthesis of (+)-trachyspic acid

Kenji Morokuma, Yuko Taira, Yumiko Uehara, Setsuya Shibahara, Keisuke Takahashi, Jun Ishihara, Susumi Hatakeyama

Journal:

Tetrahedron Letters

Year:

2008

Language:

english

File:

PDF, 189 KB

english, 2008

26

Solid-state metal-hydride batteries using heteropolyacid hydrate as an electrolyte

Keisuke Hatakeyama, Hiroki Sakaguchi, Kenta Ogawa, Hiroshi Inoue, Chiaki Iwakura, Takao Esaka

Journal:

Journal of Power Sources

Year:

2003

Language:

english

File:

PDF, 112 KB

english, 2003

27

Total Synthesis of Neooxazolomycin

Evans Otieno Onyango, Joji Tsurumoto, Naoko Imai, Keisuke Takahashi, Jun Ishihara, Susumi Hatakeyama

Journal:

Angewandte Chemie International Edition

Year:

2007

Language:

english

File:

PDF, 118 KB

english, 2007

28

Solid-state metal hydride secondary batteries using heteropolyacid hydrate as an electrolyte

Hiroki Sakaguchi, Keisuke Hatakeyama, Taku Yamaguchi, Hirosh Inoue, Chiaki Iwakura, Takao Esaka

Journal:

Research on Chemical Intermediates

Year:

2006

Language:

english

File:

PDF, 238 KB

english, 2006

29

OK432 inhibits experimental hepatic metastasis of colon adenocarcinoma ACL-15 in F344 rats

Fujio Sugimoto, Kazuhiro Tsukada, Katsuyoshi Hatakeyama, Keisuke Yoshida, Terukazu Muto

Journal:

Year:

1994

Language:

english

File:

PDF, 953 KB

english, 1994

30

Hydrogenation characteristics of the proton conducting oxide–hydrogen storage alloy composite

Hiroki Sakaguchi, Keisuke Hatakeyama, Shin-suke Kobayashi, Takao Esaka

Journal:

Materials Research Bulletin

Year:

2002

Language:

english

File:

PDF, 233 KB

english, 2002

31

Total Synthesis of Oxazolomycin A

Eto, Kohei, Yoshino, Madoka, Takahashi, Keisuke, Ishihara, Jun, Hatakeyama, Susumi

Journal:

Organic Letters

Year:

2011

Language:

english

File:

PDF, 1.04 MB

english, 2011

32

RNF43 interacts with NEDL1 and regulates p53-mediated transcription

Keisuke Shinada, Tadasuke Tsukiyama, Takuya Sho, Fumihiko Okumura, Masahiro Asaka, Shigetsugu Hatakeyama

Journal:

Biochemical and Biophysical Research Communications

Year:

2011

Language:

english

File:

PDF, 494 KB

english, 2011

33

Synthesis and biological evaluation of a 3-positon epimer of 1α,25-dihydroxy-2β-(3-hydroxypropoxy)vitamin D3 (ED-71)

Susumi Hatakeyama, Satoshi Nagashima, Naoko Imai, Keisuke Takahashi, Jun Ishihara, Atsuko Sugita, Takeshi Nihei, Hitoshi Saito, Fumiaki Takahashi, Noboru Kubodera

Journal:

The Journal of Steroid Biochemistry and Molecular Biology

Year:

2007

Language:

english

File:

PDF, 355 KB

english, 2007

34

Synthesis and preliminary biological evaluation of 20-epi-eldecalcitol [20-epi-1α,25-dihydroxy-2β-(3-hydroxypropoxy)vitamin D3: 20-epi-ED-71]

Susumi Hatakeyama, Madoka Yoshino, Kohei Eto, Keisuke Takahashi, Jun Ishihara, Yoshiyuki Ono, Hitoshi Saito, Noboru Kubodera

Journal:

The Journal of Steroid Biochemistry and Molecular Biology

Year:

2010

Language:

english

File:

PDF, 458 KB

english, 2010

35

Synthesis of putative metabolites of 1α,25-dihydroxy-2β-(3-hydroxypropoxy)vitamin D3 (ED-71)

Yoshiyuki Ono, Hiroyoshi Watanabe, Ikuo Taira, Keisuke Takahashi, Jun Ishihara, Susumi Hatakeyama, Noboru Kubodera

Journal:

Year:

2006

Language:

english

File:

PDF, 303 KB

english, 2006

36

Outcome of radical surgery for carcinoma of the gallbladder according to the TNM stage

Kazuhiro Tsukada, Katsuyoshi Hatakeyama, Isao Kurosaki, Katsuyuki Uchida, Yoshio Shirai, Terukazu Muto, Keisuke Yoshida

Journal:

Year:

1996

Language:

english

File:

PDF, 671 KB

english, 1996

37

Asymmetric Total Synthesis of (+)-Phoslactomycin B

Shibahara, Setsuya, Fujino, Masataka, Tashiro, Yasumasa, Takahashi, Keisuke, Ishihara, Jun, Hatakeyama, Susumi

Journal:

Organic Letters

Year:

2008

Language:

english

File:

PDF, 182 KB

english, 2008

38

Stereocontrolled Total Synthesis of (−)-Englerin A

Takahashi, Keisuke, Komine, Keita, Yokoi, Yuichi, Ishihara, Jun, Hatakeyama, Susumi

Journal:

Journal of Organic Chemistry

Year:

2012

Language:

english

File:

PDF, 559 KB

english, 2012

39

Total Synthesis of (−)-Kaitocephalin Based on a Rh-Catalyzed C–H Amination

Takahashi, Keisuke, Yamaguchi, Daisuke, Ishihara, Jun, Hatakeyama, Susumi

Journal:

Organic Letters

Year:

2012

Language:

english

File:

PDF, 458 KB

english, 2012

40

A highly stereocontrolled total synthesis of dysiherbaine

Takahashi, Keisuke, Matsumura, Takashi, Ishihara, Jun, Hatakeyama, Susumi

Journal:

Chemical Communications

Year:

2007

Language:

english

File:

PDF, 257 KB

english, 2007

41

Organocatalytic asymmetric syntheses of inthomycins A, B and C

Yoshino, Madoka, Eto, Kohei, Takahashi, Keisuke, Ishihara, Jun, Hatakeyama, Susumi

Journal:

Organic & Biomolecular Chemistry

Year:

2012

Language:

english

File:

PDF, 296 KB

english, 2012

42

STEREOSELECTIVE SYNTHESIS OF THE FUSED γ-LACTONE/δ-LACTONE CORE OF OPHIODILACTONES

Hatakeyama, Susumi, Matsubara, Takaaki, Takahashi, Keisuke, Ishihara, Jun

Journal:

Year:

2012

Language:

english

File:

PDF, 820 KB

english, 2012

43

Synthesis of 1-Deoxyeldecalcitol, a Biologically Interesting Analog of 1α,25-Dihydroxy-2β-(3-hydroxypropoxy)vitamin D3 (Eldecalcitol)

Kubodera, Noboru, Sasaki, Hirotaka, Eto, Kohei, Takahashi, Keisuke, Ishihara, Jun, Hatakeyama, Susumi

Journal:

Year:

2011

Language:

english

File:

PDF, 755 KB

english, 2011

44

Removal of dissolved humic acid from water by photocatalytic oxidation using a silver orthophosphate semiconductor

Keisuke Hatakeyama, Masukazu Okuda, Takahiro Kuki, Takao Esaka

Journal:

Materials Research Bulletin

Year:

2012

Language:

english

File:

PDF, 470 KB

english, 2012

45

Solid-state metal hydride batteries using ZrO2·nH2O as an electrolyte

Hiroki Sakaguchi, Keisuke Hatakeyama, Mikio Fujii, Hiroshi Inoue, Chiaki Iwakura, Takao Esaka

Journal:

Research on Chemical Intermediates

Year:

2006

Language:

english

File:

PDF, 253 KB

english, 2006

46

β-Isocupreidine-Catalyzed Baylis−Hillman Reaction of Chiral N -Boc-α-Amino Aldehydes

Nakano, Ayako, Takahashi, Keisuke, Ishihara, Jun, Hatakeyama, Susumi

Journal:

Organic Letters

Year:

2006

Language:

english

File:

PDF, 110 KB

english, 2006

47

Enantioselective Route to Aryl(1,3-butadien-2-yl)methanols: Formal Synthesis of (-)-Sporochnol A

Hatakeyama, Susumi, Yanagimoto, Daisuke, Kawano, Kazuyuki, Takahashi, Keisuke, Ishihara, Jun

Journal:

Year:

2009

Language:

english

File:

PDF, 469 KB

english, 2009

48

α-Isocupreine, an Enantiocomplementary Catalyst of β-Isocupreidine

Nakamoto, Yoshito, Urabe, Fumiya, Takahashi, Keisuke, Ishihara, Jun, Hatakeyama, Susumi

Journal:

Chemistry - A European Journal

Year:

2013

Language:

english

File:

PDF, 303 KB

english, 2013

49

Total Synthesis of (−)-Ophiodilactone A and (−)-Ophiodilactone B

Matsubara, Takaaki, Takahashi, Keisuke, Ishihara, Jun, Hatakeyama, Susumi

Journal:

Angewandte Chemie International Edition

Year:

2014

Language:

english

File:

PDF, 384 KB

english, 2014

50

Aerial observations of air masses transported from East Asia to the Western Pacific: Vertical structure of polluted air masses

Hatakeyama, Shiro, Ikeda, Keisuke, Hanaoka, Sayuri, Watanabe, Izumi, Arakaki, Takemitsu, Bandow, Hiroshi, Sadanaga, Yasuhiro, Kato, Shungo, Kajii, Yoshizumi, Zhang, Daizhou, Okuyama, Kikuo, Ogi, Takas

Journal:

Atmospheric Environment

Year:

2014

Language:

english

File:

PDF, 1.85 MB

english, 2014