Inventor

UMEZAWA SUMIO

59 patents

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UMEZAWA SUMIO

MICROBIAL CHEM RES FOUND

Novel macrolactone derivatives and process of producing them

Derivatives of kanamycin A

1-N-[(S)-α-hydroxy-ω-aminoacyl] derivatives of 3&#39;,4&#39;-dideoxykanamycin B and 3&#39;-deoxykanamycin B antibiotics

1-N-[(S)-α-hydroxy-ω-aminoacyl]

New compound 6&#39;-deoxy-&#39;-substituted or unsubstituted amino-lividomycins and the production thereof

1,2&#39;-Di-N-substituted kanamycin B compounds

Production of a selectively protected N-acylated derivative of an aminoglycosidic antibiotic

N-methanesulfonic acid derivatives of 3&#39;,4&#39;-dideoxykanamycin B

Tylosin derivatives, their preparation and pharmaceutical compositions containing them

Tylosin derivatives

Novel macrolactone derivatives and process of producing them

Processes for the production of 3&#39;,4&#39;-dideoxykanamycin b

Process for the synthesis of 3&#39;,4&#39;-dideoxykanamycin B and products

1N-(α-Hydroxy-ω-aminoalkanoyl)-6&#39;N-methyl-3&#39;,4&#39;-dideoxykanamycin B and the production thereof

1-N-(α-hydroxy-ω-aminoalkanoyl) derivatives of 3&#39;-deoxykanamycin A and the production thereof

Processes for production of a 1-N-(α-hydroxy-Φ-amino alkanoyl)-3-deoxy-5-O-pentafuranosyl neamine and new compounds produced by the same processes

1-N-isoserylkanamycins and the production thereof

1-n-(4-amino-3-fluoro-2-hydroxybutyryl)-kanamycins

1-N-(ω-Amino-α-hydroxyalkanoyl-2&#39;,3&#39;-dideoxykanamycin A and pharmaceutical composition containing same

3&#39;,4&#39;-Episulfido kanamycin B compounds

Process for the production of a 1-N((S)-α-hydroxy-ω-aminoacyl)-3&#39;,4&#39;-dideoxyneamine or -3&#39;,4&#39;-d

3&#39;-fluoro-3&#39;-deoxykanamycin A

23-C-Substituted mycaminosyl tylonolide, pharmaceutical compositions and method of use

Novel process for the preparation of 1-N-(alpha-substituted-omega-aminoacyl)-3&#39;-deoxyribostamycin

Process for the production of 3&#39;-deoxykanamycin A and intermediate product

3&#39;,4&#39;-Diedeoxykanamycin B derivatives

Process for the production of kanomycin B derivatives and products obtained therefrom

2&#39;-Modified kanamycins and production thereof

Derivative of kanamycin A and a process for the preparation thereof

3&#39;,4&#39;-Dideoxykanamycin A and 1-N-(S)-α-hydroxy-ω-aminoalkanoyl) derivatives thereof

ZAIDAN HOJIN BISEIBUTSU

Macrolide antibiotics and treatment and prophylaxis of pasteurellosis using the same

Process for producing 2,6-dideoxy-2-fluoro-L-talopyranose

2&#39;-deoxy-2&#39;-epi-2&#39;-fluorocoformycin

Process for the preparation of 2&#39;-deoxy-2&#39;-halocoformycins or steroisomers thereof

Anthracycline derivative having a trifluoromethylated sugar

Processes for preparing 2&#39;-deoxy-2&#39;-fluorocoformycin and stereoisomers thereof

Anthracycline derivative having a trifluoromethylated sugar

3,4&#39;-dideoxymycaminosltylonolide derivative and process for producing the same

3-deoxy mycaminosyl tylonolide derivatives

Anthracycline derivatives having 4-amino-2,4,6-trideoxy-2 fluoro-α-L-talopyranosyl group

3,4-di-O,N-Protected-4-amino-2,4,6-trideoxy-2-fluoro-L-manno-pyranosyl halide and a process for its preparation

Anthracycline derivatives having 4-amino-2,4,6-trideoxy-2-fluoro-mannopyranosyl group

MEIJI SEIKA KAISHA

3&#39;-Epi-4&#39;deoxykanamycin B

Process for the synthetic production of 3-deoxy derivative of an aminoglycosidic antibiotic

1-N-((S)-α-substituted-ω-aminoacyl)-neamine or -ribostamycin and the production thereof

1-N-((S)-α-substituted-ω-aminoacyl)-neamine or -ribostamycin and the production thereof

YAMANOUCHI PHARMA CO LTD

Mycaminosyl tylonolide derivatives

Mycaminosyl tylonolide derivatives

Mycaminosyl tylonolide derivatives

KOWA CO

Aminoglycosides and use thereof

1-N-[(S)-α-hydroxy-ω-aminoacyl] derivatives of 3',4'-dideoxykanamycin B and 3'-deoxykanamycin B antibiotics

New compound 6'-deoxy-'-substituted or unsubstituted amino-lividomycins and the production thereof

1,2'-Di-N-substituted kanamycin B compounds

N-methanesulfonic acid derivatives of 3',4'-dideoxykanamycin B

Processes for the production of 3',4'-dideoxykanamycin b

Process for the synthesis of 3',4'-dideoxykanamycin B and products

1N-(α-Hydroxy-ω-aminoalkanoyl)-6'N-methyl-3',4'-dideoxykanamycin B and the production thereof

1-N-(α-hydroxy-ω-aminoalkanoyl) derivatives of 3'-deoxykanamycin A and the production thereof

1-N-(ω-Amino-α-hydroxyalkanoyl-2',3'-dideoxykanamycin A and pharmaceutical composition containing same

3',4'-Episulfido kanamycin B compounds

Process for the production of a 1-N((S)-α-hydroxy-ω-aminoacyl)-3',4'-dideoxyneamine or -3',4'-d

3'-fluoro-3'-deoxykanamycin A

Novel process for the preparation of 1-N-(alpha-substituted-omega-aminoacyl)-3'-deoxyribostamycin

Process for the production of 3'-deoxykanamycin A and intermediate product

3',4'-Diedeoxykanamycin B derivatives

2'-Modified kanamycins and production thereof

3',4'-Dideoxykanamycin A and 1-N-(S)-α-hydroxy-ω-aminoalkanoyl) derivatives thereof

2'-deoxy-2'-epi-2'-fluorocoformycin

Process for the preparation of 2'-deoxy-2'-halocoformycins or steroisomers thereof

Processes for preparing 2'-deoxy-2'-fluorocoformycin and stereoisomers thereof

3,4'-dideoxymycaminosltylonolide derivative and process for producing the same

3'-Epi-4'deoxykanamycin B