Title:
【発明の名称】抗菌活性を有する6,7―ジヒドロキシ―8―メチル―4―オキソ―4H―1―ベンゾピラン―5―カルボン酸
Document Type and Number:
Japanese Patent JP2000512144
Kind Code:
A
Abstract:
There are provided compounds of formula (I) wherein R is a hydrogen atom or an acetyl group, and their pharmaceutically acceptable salt, having antibacterial activity. The compound of formula (I) of the invention wherein R is hydrogen is prepared by fermentation of the micro-organism Streptomyces sp. identified in our data bank by the number 17040 and registered on 20.3.1996 with the DMSZ under the number 10611. The compound of formula (I) (R = -COCH3) is obtained by acetylation with acetic anhydride, in pyridine, of the compound (I) (R = H).
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Inventors:
Federi, Lorena Louisa
Franchi, Giuliano
Solari Inventay, August
Piersentua, Luca
Ribora, Giovanni
Rossi, Rosalia
Gallofano, Louisa
Franchi, Giuliano
Solari Inventay, August
Piersentua, Luca
Ribora, Giovanni
Rossi, Rosalia
Gallofano, Louisa
Application Number:
JP50115298A
Publication Date:
September 19, 2000
Filing Date:
June 04, 1997
Export Citation:
Assignee:
Ministero del universita e de la ricielka scientifice technoca
International Classes:
A61K31/00; A61K31/35; A61K31/352; A61P31/00; A61P31/04; C07D311/22; C12P7/40; C12R1/465; (IPC1-7): C12P7/40; A61P31/04; A61K31/352; C07D311/22
Attorney, Agent or Firm:
Yoshio Kawaguchi (2 outside)