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1

Studies on Synthetic Ionophores. VI. Synthesis of Polyether Carboxylic Acids and Their Use as Carriers for Alkali Metal Ion Transport through Liquid Membrane

Yamaguchi, Kazuo, Negi, Shigeto, Kozakai, Shohei, Nagano, Roichi, Kuboniwa, Hitoshi, Hirao, Akira, Nakahama, Seiichi, Yamazaki, Noboru

Journal:

Bulletin of the Chemical Society of Japan

Year:

1988

File:

PDF, 1.34 MB

1988

2

ChemInform Abstract: Large Scale Synthesis of N-Benzyl-4-formylpiperidine Through Partial Reduction of Esters Using Aluminum Hydride Reagents Modified with Pyrrolidine.

Taichi Abe, Toyokazu Haga, Shigeto Negi, Yukio Morita, Keizou Takayanagi, Kimio Hamamura

Journal:

Year:

2001

File:

PDF, 30 KB

2001

3

Practical Oxirane Ring Opening with In Situ Prepared LiCN; Synthesis of ( 2S,3R )-3-(2,4-Difluorophenyl)-3-hydroxy-2-methyl-4-(1 H -1,2,4-triazol-1-yl)-1-butanenitrile

Tsuruoka, Akihiko, Negi, Shigeto, Yanagisawa, Manabu, Nara, Kazumasa

Journal:

Synthetic Communications

Year:

1997

Language:

english

File:

PDF, 360 KB

english, 1997

4

Studies on the Stability of .DELTA.2 and .DELTA.3 Cephem Esters. I. Marked Difference in Stability between .DELTA.2 and .DELTA.3 Cephem Prodrug Esters and Application to the Preparation of Key Intermediates for Oral Cephem Synthesis.

NEGI, Shigeto, YAMANAKA, Mototuske, KOMATSU, Yuki, TSURUOKA, Akihiko, TSUKADA, Itaru, MINAMI, Norio

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1995

File:

PDF, 585 KB

1995

5

ChemInform Abstract: Synthesis of a New Dual Metalloprotease Inhibitor. Part 2. Stereoselective Synthesis of Peptidomimetic [5.7]-Bicyclic Compounds.

Kozo Akasaka, Yuki Komatsu, Katsuya Tagami, Toshikazu Shimizu, Naoyuki Shimomura, Hiroshi Naka, Kenji Hayashi, Shigeto Negi

Journal:

Year:

2000

File:

PDF, 32 KB

2000

6

Acidic Electrolysed Water in the Disinfection of the Ocular Surface

SHIGETO SHIMMURA, KOKI MATSUMOTO, HIROMOTO YAGUCHI, TOSHIYA OKUDA, SEIYA MIYAJIMA, AKIRA NEGI, JUN SHIMAZAKI, KAZUO TSUBOT

Journal:

Experimental Eye Research

Year:

2000

Language:

english

File:

PDF, 314 KB

english, 2000

7

ChemInform Abstract: Synthesis of a New Dual Metalloprotease Inhibitor. Part 1. Diastereoselective Alkylation of Protected 6-Oxopipecolic Acid Esters.

Kozo Akasaka, Hiroshi Akamatsu, Yuichi Kimoto, Yuki Komatsu, Toshikazu Shimizu, Naoyuki Shimomura, Katsuya Tagami, Shigeto Negi

Journal:

Year:

2000

File:

PDF, 31 KB

2000

8

Studies on the Stability of .DELTA.2 and .DELTA.3 Cephem Esters. II. Comparative Stability Studies of .DELTA.2 and .DELTA.3 Cephems at Various pHs and the Degradation Process of .DELTA.2 Cephem Esters.

NEGI, Shigeto, YAMANAKA, Motosuke, KOMATSU, Yuki, TSURUOKA, Akihiko, TSUKADA, Itaru, MINAMI, Norio

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1995

File:

PDF, 860 KB

1995

9

Selective alkali metal ion transport with synthetic ionophores

Noboru Yamazaki, Seiichi Nakahama, Akira Hirao, Shigeto Negi

Journal:

Tetrahedron Letters

Year:

1978

Language:

english

File:

PDF, 252 KB

english, 1978

10

Synthesis of a New Dual Metalloprotease Inhibitor. I. Diastereoselective Alkylation of Protected 6-Oxopipecolic Acid Esters.

AKASAKA, Kozo, AKAMATSU, Hiroshi, KIMOTO, Yuichi, KOMATSU, Yuki, SHIMIZU, Toshikazu, SHIMOMURA, Naoyuki, TAGAMI, Katsuya, NEGI, Shigeto

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1999

File:

PDF, 1.13 MB

1999

11

Synthesis of (2R)-1-(4-Chloro-2-pyridyl)-2-(2-pyridyl)ethylamine: A Selective Oxime Reduction and Crystallization-Induced Asymmetric Transformation

Negi, Shigeto, Matsukura, Masayuki, Mizuno, Masanori, Miyake, Kazutoshi, Minami, Norio

Journal:

Year:

1996

File:

PDF, 527 KB

1996

12

Synthesis of a New Dual Metalloprotease Inhibitor. II. Stereoselective Synthesis of Peptidomimetic [5.7]-Bicyclic Compounds.

AKASAKA, Kozo, KOMATSU, Yuki, TAGAMI, Katsuya, SHIMIZU, Toshikazu, SHIMOMURA, Naoyuki, NAKA, Hiroshi, HAYASHI, Kenji, NEGI, Shigeto

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1999

File:

PDF, 908 KB

1999

13

Oxidation of 4-Oxo-4H-1-Benzopyran-3-Carboxaldehydes with N-Bromosuccinimide

Machida, Yoshimasa, Nomoto, Seiichiro, Negi, Shigeto, Ikuta, Hironori, Saito, Isao

Journal:

Synthetic Communications

Year:

1980

Language:

english

File:

PDF, 247 KB

english, 1980

14

Studies on orally active cephalosporins. I. Synthesis and structure-activity relationships of new 3-substituted carbamoyloxymethyl cephalosporins.

NEGI, SHIGETO, YAMANAKA, MOTOSUKE, SUGIYAMA, ISAO, KOMATSU, YUKI, SASHO, MANABU, TSURUOKA, AKIHIKO, KAMADA, ATSUSHI, TSUKADA, ITARU, HIRUMA, RYOICHI, KATSU, KANEMASA, MACHIDA, YOSHIMASA

Journal:

The Journal of Antibiotics

Year:

1994

Language:

english

File:

PDF, 1.10 MB

english, 1994

15

A Practical Synthetic Method for 3-(N,N-Disubstituted Carbamoyloxy)methyl Cephems without Generating the .DELTA.2-Isomers.

NEGI, Shigeto, YAMANAKA, Motosuke, KOMATSU, Yuki, TSURUOKA, Akihiko, KAMADA, Atsushi, TSUKADA, Itaru, MACHIDA, Yoshimasa

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1995

File:

PDF, 636 KB

1995

16

Studies on orally active cephalosporins. II. Synthesis and structure-activity relations of new ((E) or (Z) 3-substituted carbamoyloxy)-1-propenyl cephalosporins.

NEGI, SHIGETO, SASHO, MANABU, YAMANAKA, MOTOSUKE, SUGIYAMA, ISAO, KOMATSU, YUKI, TSURUOKA, AKIHIKO, KAMADA, ATSUSHI, TSUKADA, ITARU, HIRUMA, RYOICHI, KATSU, KANEMASA, MACHIDA, YOSHIMASA

Journal:

The Journal of Antibiotics

Year:

1994

Language:

english

File:

PDF, 905 KB

english, 1994

17

Synthesis of a radiolabelled new oral cephalosporin, E1101

Shigeto Negi, Yuki Komatsu, Akihiko Tsuruoka, Yuji Uemura

Journal:

Journal of Labelled Compounds and Radiopharmaceuticals

Year:

1996

Language:

english

File:

PDF, 443 KB

english, 1996

18

Large scale synthesis of N-benzyl-4-formylpiperidine through partial reduction of esters using aluminum hydride reagents modified with pyrrolidine

Taichi Abe, Toyokazu Haga, Shigeto Negi, Yukio Morita, Keizou Takayanagi, Kimio Hamamura

Journal:

Year:

2001

Language:

english

File:

PDF, 123 KB

english, 2001

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