Patent ID: 6362138
Filing Date: 2002-03-26
Classification: C07D,C10L,C10M,C10N

Abstract:
A compound of the formula whereinR. is hydrogen or C1-C20alkyl; R2 is a substituent selected from the group consisting of C5-C12cycloalkyl and C7-C12bicycloalkyl, which substituents are substituted by one or more than one substituents selected from the group consisting of amino, carboxy and hydroxy; or is C3-C20alkyl which is interrupted by one or more than one bivalent radicals selected from the group consisting of â€”Oâ€”, â€”NR6â€”, â€”C(&boxH;O)â€”Oâ€”, â€”Oâ€”C(&boxH;O)â€”, â€”C(&boxH;O)â€”NR6â€” and â€”NR6â€”C(&boxH;O)â€”; R3 and R4 are substituents selected from the group consisting of C5-C12cycloalkyl, C7-C12bicycloalkyl, phenyl, C7-C18alkylphenyl, naphthyl and C7-C9phenylalkyl which substituents may be substituted by one or more than one substituents selected from the group consisting of amino, carboxy and hydroxy; C1-C20alkyl or C3-C20alkyl which is interrupted by one or more than one bivalent radicals selected from the group consisting of â€”Oâ€”, â€”NR6â€”, â€”C(&boxH;O)â€”Oâ€”, â€”Oâ€”C(&boxH;O)â€”, â€”C(&boxH;O)â€”NR6â€” and â€”NR6â€”C(&boxH;O)â€”; and R6 is hydrogen or C1-C4alkyl.