Cyclic polypeptide with antibiotic activity and a process for preparation thereof
申请人:FUJISAWA PHARMACEUTICAL CO., LTD.
公开号:EP0729974A1
公开(公告)日:1996-09-04
A polypeptide compound of the following general formula :
whereinR1 is acyl group,
R2 is acyloxy,
R3 is hydrogen and
R4 is hydrogen
and a pharmaceutically acceptable salt thereof, a process for its preparation and pharmaceutical compositions comprising it. The invention relates also to use of the compound for the manufacture of a medicament for treating or preventing infectious diseases.
Pharmaceutical composition against Pneumocystis carinii
申请人:FUJISAWA PHARMACEUTICAL CO., LTD.
公开号:EP0486011A2
公开(公告)日:1992-05-20
Use of a polypeptide compound of the formula :
wherein
R¹ is hydrogen or acyl group,
R² is hydroxy or acyloxy,
R³ is hydrogen, hydroxy or hydroxysulfonyloxy,
R⁴ is hydrogen or carbamoyl, and
R⁵ and R⁶ are each hydrogen or hydroxy,
with proviso that
(i) R² is acyloxy, when R³ is hydrogen, and
(ii) R⁵ is hydrogen, when R⁶ is hydrogen,
or a pharmaceutically acceptable salt thereof for the preparation of a medicament for the prevention and/or the treatment of Pneumocystis carinii infection.
Cyclic antimicrobial peptides and preparation thereof
申请人:FUJISAWA PHARMACEUTICAL CO., LTD.
公开号:EP0644199A1
公开(公告)日:1995-03-22
A polypeptide compound of the following general formula :
wherein
R¹ ishydrogen,
R² isacyl group,
R³ ishydroxy or acyloxy,
R⁴ ishydroxy or hydroxysulfonyloxy,
R⁵ ishydrogen or lower alkyl which may have one or more suitable substituent (s), and
R⁶ ishydrogen, hydroxy or acyl (lower) alkylthio and a pharmaceutically acceptable salt thereof,
processes for their preparation and pharmaceutical compositions comprising them as an active ingredient.