Patent ID: 6458337
Filing Date: 2002-10-01
Classification: A61K,C07C,C07D,Y10S

Abstract:
A compound of the formula (II), both in the racemic and optically active forms in which B is selected from the group consisting of: wherein:R=independently H, halogen, R1=H, â€”OH, â€”N(Râ€²1)2, â€”COORâ€²1, â€”CON(Râ€²1)2, R2=C1-C6 linear or branched alkyl, optionally substituted with â€”OH, â€”COORâ€²2â€” groups and/or interrupted by â€”CON(Râ€²2)â€” groups, Râ€²1=independently H or C1-C6 linear or branched alkyl, optionally substituted with 1 to 5 â€”OH groups, Râ€²2=independently H or C1-C6 linear or branched alkyl, optionally substituted with 1 to 5 â€”OH groups, or â€ƒwherein: R=independently H, Br, I, R1=OH, N(Râ€²1)2, COORâ€²1, â€”CON(Râ€²1)2, m=integer 1-6; Râ€²1=independently H or C1-C6 linear or branched alkyl optionally substituted with 1 to 5 â€”OH groups; and complexes of said compound with bi- or trivalent metal ions.