Amidino compounds, their manufacture and methods of treatment
申请人:Ciba-Geigy Corporation
公开号:US05451700A1
公开(公告)日:1995-09-19
The invention relates to the compounds of the formula ##STR1## wherein the C(.dbd.NH)--NHR.sub.3 group may be in tautomeric or isomeric form, and phamaceutically acceptable salts thereof. The compounds are useful as selective LTB.sub.4 receptor antagonists.
Aromatic hydroxyamidine derivatives and their use as leukotriene B4 receptor anagonists
申请人:CIBA-GEIGY AG
公开号:EP0601977A1
公开(公告)日:1994-06-15
The invention relates to the compounds of the formula I
wherein the C(=NOH)-NH₂ group may be in tautomeric form; and pharmaceutically acceptable salts thereof, in which:
R₁ is amino or amino which is mono- or disubstituted
X₁ and X₃, independently of one another, are oxygen (-O-) or sulphur (-S-); and
X₂ is a divalent aliphatic hydrocarbon radical which may be interrupted by an aromatic radical;
The compounds are useful, for example, as selective LTB₄ receptor antagonists in the treatment of conditions or syndromes in mammals which are responsive to LTB₄ receptor antagonism. They are prepared in a manner known per se.