Patent ID: 6670481
Filing Date: 2003-12-30
Classification: A61P,C07D

Abstract:
A compound of the formula I in whichAr is a heterocyclic radical Het, R3 is a hydrogen atom or a 1-4 C-lower alkyl group, Y is â€”Oâ€” or â€”CH2â€”, n is an integer from 2 to 8, Het is a five membered heterocyclic ring, which may carry 1 or 2 identical or different substituents R1, and R1 is a hydrogen atom, a halogen atom, or a 1-4 C-lower alkyl group, where the chain â€”(CH2)nâ€” may optionally be interrupted by a â€”CH(CH3)â€” or â€”C(CH3)2â€” unit, and the salts of the carboxylic acids (R3=H).