Search Results - "ATSUMI, Kunio"

Structure-Activity Relationship of Anthelmintic Cyclooctadepsipeptides by OHYAMA, Makoto, OKADA, Yumiko, TAKAHASHI, Masaaki, SAKANAKA, Osamu, MATSUMOTO, Maki, ATSUMI, Kunio

“…The relationship between cyclooctadepsipeptides and their anthelmintic efficacy was examined by converting the natural products, PF1022A, PF1022E and PF1022H…”
Get full text

A Novel Synthesis of 2,3-Disubstituted-4-pyridones from 4-Methoxypyridine by Kitagawa, Hideo, Kumura, Ko, Atsumi, Kunio

“…Novel 2,3-disubstituted 4-pyridone derivatives were prepared from 4-methoxypyridine through aldol condensation and isomerization of exo-olefin as key…”
Get full text

Novel Azalides Derived from Sixteen-Membered Macrolides: I. Isolation of the Mobile Dialdehyde and Its One-Pot Macrocyclization with an Amine by Miura, Tomoaki, Natsume, Satomi, Kanemoto, Kenichi, Atsumi, Kunio, Fushimi, Hideki, Sasai, Hiroaki, Arai, Takayoshi, Yoshida, Takuji, Ajito, Keiichi

“…The design and synthesis of novel 15-membered 11-azalides and 16-membered 11,12-diazalide starting from 16-membered macrolides are reported. A mobile linear…”
Get full text

CP6679, a new injectable cephalosporin with broad spectrum and potent activities against methicillin-resistant Staphylococcus aureus and Pseudomonas aeruginosa by Ida, Takashi, Tsushima, Masaki, Ishii, Takahiro, Atsumi, Kunio, Tamura, Atsushi

“…The antibacterial activities of CP6679, a new injectable cephalosporin with a broad antibacterial spectrum, were compared with those of other cephalosporins…”
Get full text

Synthesis of Some D-Ribose Phosphates Synthese einiger Phosphorsäure-Ester der D-Ribose by Stefan Pitsch, Christoph Spinner, Kunio Atsumi, Philip Ermert

“…Unambitious syntheses of D-ribose 2-phosphate, 3-phosphate, 4-phosphate, 2,3-diphosphate, 3,4-diphosphate, 2,4-diphosphate, cyclic 2,3-phosphate, cyclic…”
Get full text

Novel azalides derived from 16-membered macrolides. Part II: Isolation of the linear 9-formylcarboxylic acid and its sequential macrocyclization with an amino alcohol or an azidoamine by Miura, Tomoaki, Kanemoto, Kenichi, Natsume, Satomi, Atsumi, Kunio, Fushimi, Hideki, Yoshida, Takuji, Ajito, Keiichi

“…The design and synthesis of novel 14- to 16-membered 11-azalides and 11-azalactams starting from 16-membered macrolides are described. Fifteen-substituted…”
Get full text

Synthesis of novel di- and tricationic carbapenems with potent anti-MRSA activity by Maruyama, Takahisa, Yamamoto, Yasuo, Kano, Yuko, Kurazono, Mizuyo, Shitara, Eiki, Iwamatsu, Katsuyoshi, Atsumi, Kunio

“…A new series of 1β-methyl carbapenems possessing a 6,7,-disubstituted imidazo[5,1- b]thiazol-2-yl group was prepared. Among them, introduction of cationic…”
Get full text

Synthesis and SAR study of novel 7-(pyridinium-3-yl)-carbonyl imidazo[5,1- b]thiazol-2-yl carbapenems by Maruyama, Takahisa, Kano, Yuko, Yamamoto, Yasuo, Kurazono, Mizuyo, Iwamatsu, Katsuyoshi, Atsumi, Kunio, Shitara, Eiki

“…A new series of 1β-methyl carbapenems, possessing a 7-substituted imidazo[5,1- b]thiazol-2-yl group was synthesized and evaluated for antibacterial activity…”
Get full text

4-Pyridone derivatives as new inhibitors of bacterial enoyl-ACP reductase FabI by Kitagawa, Hideo, Kumura, Ko, Takahata, Sho, Iida, Maiko, Atsumi, Kunio

“…From structure optimization studies yielded 4-pyridone derivatives as novel FabI inhibitors with potent antibacterial activity against Staphylococcus aureus…”
Get full text

Synthetic cephalosporins. VIII. Synthesis and antibacterial activity of CP6232, a new anti-pseudomonal cephalosporin by Sakagami, K, Iwamatsu, K, Atsumi, K, Hatanaka, M

Get more information

A facile ring-opening reaction of furfuryl carbanion. Regioselective generation of di- or trianionic enolates by Atsumi, Kunio, Kuwajima, Isao

Get full text

CP5484, a novel quaternary carbapenem with potent anti-MRSA activity and reduced toxicity by Maruyama, Takahisa, Yamamoto, Yasuo, Kano, Yuko, Kurazono, Mizuyo, Matsuhisa, Eiji, Takata, Hiromi, Takata, Toshihiko, Atsumi, Kunio, Iwamatsu, Katsuyoshi, Shitara, Eiki

“…A new series of 1β-methyl carbapenems possessing a 6,7-disubstituted imidazo[5,1- b]thiazol-2-yl group was prepared. Among them CP5484 showed potent anti-MRSA…”
Get full text

Novel Azalides Derived from Sixteen-Membered Macrolides by Miura, Tomoaki, Natsume, Satomi, Kanemoto, Kenichi, Atsumi, Kunio, Fushimi, Hideki, Sasai, Hiroaki, Arai, Takayoshi, Yoshida, Takuji, Ajito, Keiichi

“…The design and synthesis of novel 15-membered 11-azalides and 16-membered 11,12-diazalide starting from 16-membered macrolides are reported. A mobile linear…”
Get full text

A new antipseudomonal cephalosporin CP6162 and its congeners by Iwamatsu, K, Atsumi, K, Sakagami, K, Ogino, H, Yoshida, T, Tsuruoka, T, Shibahara, S, Inouye, S, Kondo, S

“…The synthesis and biological activity of a series of 3-[2-(5-hydroxy-4-pyridon-2-yl)ethenyl]cephalosporin derivatives are described. They showed very potent…”
Get more information

Synthetic cephalosporins. VII. Synthesis and antibacterial activity of 7-((Z)-2-(2-aminothiazol-4-yl)-2-(3-(3-hydroxy-4-pyridon-1-yl)-3-carboxypropoxyimino)acetamido)-3-(1,2,3-thiadiazol-5-yl)-thiomethyl-3-cephem-4-carboxylic acid and its related compounds by SAKAGAMI, Kenji, IWAMATSU, Katsuyoshi, ATSUMI, Kunio, HATANAKA, Minoru

Get full text

Synthetic cephalosporins. VI. Synthesis and antibacterial activity of 7-((Z)-2-(2-aminothiazol-4-yl)-2-(1-carboxy-1-methyl)ethoxyiminoacetamido)-3-(3-hydroxy-4-pyridon-1-yl)methyl-3-cephem-4-carboxylic acid and related compounds by SAKAGAMI, Kenji, IWAMATSU, Katsuyoshi, ATSUMI, Kunio, HATANAKA, Minoru

Get full text

Synthesis and Oral Activity of Pivaloyloxymethyl 7-((Z)-2-(2-Aminothiazol-4-yl)-2-methoxyiminoacetamido)-3(Z)-(4-methylthiazol-5-yl)vinyl-3-cephem-4-carboxylate(ME1207) and Its Related Compound by SAKAGAMI, Kenji, ATSUMI, Kunio, YAMAMOTO, Yuichi, TAMURA, Atushi, YOSHIDA, Takashi, NISHIHATA, Ken, FUATSU, Shunzo

Get full text

Synthesis of dactimicin by Atsumi, K, Akita, E, Niida, T

Get more information

CP0569, A New Broad-Spectrum Injectable Carbapenem. Part 1: Synthesis and Structure–Activity Relationships by Aihara, Kazuhiro, Kano, Yuko, Shiokawa, Sohjiro, Sasaki, Toshiro, Setsu, Fumihito, Sambongi, Yumiko, Ishii, Miyuki, Tohyama, Kazuyo, Ida, Takashi, Tamura, Atsushi, Atsumi, Kunio, Iwamatsu, Katsuyoshi

“…A series of 1β-methylcarbapenems bearing an (imidazo[5,1- b]thiazolium-6-yl)methyl moiety, a 5,5-fused heterobicycle, at the C-2 position was synthesized and…”
Get full text

A new method for the synthesis of 7.ALPHA.-methoxycephalosporins by Katano, Kiyoaki, Atsumi, Kunio, Nishihata, Ken, Kai, Fumio, Akita, Eiichi, Niida, Taro

Get full text