Patent ID: 6242433
Filing Date: 2001-06-05
Classification: C07C,C07F

Abstract:
A compound of formula: ##STR50##wherein: ##STR51##X=ONH, ONHCO, OCH.sub.2 CO, OCH.sub.2 P(O)OH, CH.sub.2 P(O)OH, OSO.sub.2, NHSO.sub.2 ;A=R'CR"", CHR'""CH.sub.2, NH when X=OSO.sub.2, NHSO.sub.2 ;R=H, CH.sub.3, CH.sub.2 CH.sub.3 ;R'=H, CH.sub.3, CH.sub.2 CH.sub.3 ;R""=H, CH.sub.3, CH.sub.2 CH.sub.3 ;R'""=H, COOH, COOEt, COOMe;and pharmaceutically acceptable salts thereof, with organic and inorganic acids or bases.