摘要:
A method for treating an individual infected with drug-resistant bacteria resistant to at least one drug, the method including: administering to the individual an antibacterial agent for drug-resistant bacteria which comprises at least one of a nybomycin and a derivative thereof, wherein the antibacterial agent for drug-resistant bacteria is effective to the drug-resistant bacteria resistant to at least one drug.
摘要:
A compound having a structure expressed by the following Structural Formula (1) and a compound having a structure expressed by the following Structural Formula (2):
摘要:
A method for treating an individual infected with XDR-TB, the method including administering to the individual an anti-XDR-TB drug which comprises a compound having a structure expressed by Structural Formula (1) below:
摘要:
Caprazene and caprazol could be synthesized by hydrolysis of a caprazamycin. There could be synthesized a caprazene-1′″-amide derivative of the formula (II) and a caprazene-1′″-ester derivative of the formula (III) from caprazene. Further, there could be synthesized a caprazol-1′″-amide derivative of the formula (V) and a caprazol-1′″-amide-3′″-ester derivative and a caprazol-3′″-ester derivative, etc. from caprazol. Furthermore, an imidazolidinone derivative could be synthesized from the ring-opened product of the 1,4-diazepinone ring of caprazol.The novel caprazene derivative, novel caprazol derivative and novel imidazolidinone derivative now synthesized exhibit excellent antibacterial activities against a variety of bacteria, including acid-fast bacteria.
摘要:
Caprazene and caprazol could be synthesized by hydrolysis of a caprazamycin. There could be synthesized a caprazene-1′″-amide derivative of the formula (II) and a caprazene-1′″-ester derivative of the formula (III) from caprazene. Further, there could be synthesized a caprazol-1′″-amide derivative of the formula (V) and a caprazol-1′″-amide-3′″-ester derivative and a caprazol-3′″-ester derivative, etc. from caprazol. Furthermore, an imidazolidinone derivative could be synthesized from the ring-opened product of the 1,4-diazepinone ring of caprazol. The novel caprazene derivative, novel caprazol derivative and novel imidazolidinone derivative now synthesized exhibit excellent antibacterial activities against a variety of bacteria, including acid-fast bacteria.
摘要:
An antibacterial agent having high antibacterial activity against Mycobacterium avium subsp. paratuberculosis is provided. Specifically, the antibacterial agent of the present invention having high antibacterial activity against Mycobacterium avium subsp. paratuberculosis is a caprazamycin derivative represented, for example, by the following general formula (II): wherein Me is a methyl group; and R1 is a straight or substantially straight chain alkyl group having 5 to 21 carbon atoms, a straight or substantially straight chain alkenyl group having 5 to 21 carbon atoms, a cycloalkyl group having 5 to 12 carbon atoms, or a phenyl group substituted at the para-position with a straight chain alkyl group having 1 to 14 carbon atoms, a straight chain alkoxy group having 1 to 9 carbon atoms or a cycloalkyl group having 5 to 12 carbon atoms.
摘要:
A method for treating an individual infected with XDR-TB, the method including administering to the individual an anti-XDR-TB drug which comprises a compound having a structure expressed by Structural Formula (1) below:
摘要:
A compound having a structure expressed by the following Structural Formula (1) and a compound having a structure expressed by the following Structural Formula (2):
摘要:
Caprazene is provided which is the compound represented by the following formula (I) wherein Me stands for methyl group, and a 5″-N-alkoxycarbonyl or 5″-N-aralkyloxycarbonyl derivative thereof, and wherein said compound has the 1H-NMR and 13C-NMR data as set forth in Table 15.