Patent number: 6013667
Abstract: Compounds of formula (I): in which:R.sub.a and R.sub.b, identical or different, represent hydrogen or alkyl or together form a bond,R.sub.C represents hydroxyl optionally substituted alkoxy, or optionally substituted amino,R.sub.1 represents hydrogen or --O--NO.sub.2, --O--NO, or --S--NO,R.sub.2 and R.sub.3, identical or different, represent hydrogen, alkyl, or optionally substituted phenyl,X represents oxygen or --NH--CO--,m represents 0 or 1,n represents an integer such that 0.ltoreq.n.ltoreq.6,p represents 0 or 1,R.sub.4 represents hydrogen, optionally substituted alkyl, optionally substituted phenyl, or a group as defined in the description,R.sub.5 represents hydrogen or alkyl,R.sub.6 represents hydrogen or alkyl,or R.sub.5 and R.sub.6 together form a chain --(CH.sub.2).sub.t -- in which t represents 1 or 2,q represents 0, 1, or 2,r represents an integer such that 0.ltoreq.r.ltoreq.6,R.sub.d and R.sub.
Type:
Grant
Filed:
February 27, 1998
Date of Patent:
January 11, 2000
Assignee:
Adir Et Compagnie
Inventors:
Gilbert Lavielle, Bernard Cimetiere, Tony Verbeuren, Serge Simonet, Jean-Jacques Descombes