The present invention relates to novel antiobesity and hypocholesterolemic compounds, their derivatives, their analogs, their tautomeric forms, their stereoisomers, their polymorphs, their pharmaceutically acceptable salts, their pharmaceutically acceptable solvates and pharmaceutically acceptable compositions containing them. More particularly, the present invention relates to novel .beta.-aryl-.alpha.-oxysubstituted alkylcarboxylic acids of the general formula (I), ##STR1## their derivatives, their analogs, their tautomeric forms, their stereoisomers, their polymorphs, their pharmaceutically acceptable salts, their pharmaceutically acceptable solvates and pharmaceutically acceptable compositions containing them. The present invention also relates to a process for the preparation of the above said novel compounds, their analogs, their derivatives, their tautomeric forms, their stereoisomers, their polymorphs, their pharmaceutically acceptable salts, pharmaceutically acceptable solvates and pharmaceutical compositions containing them. The present invention also relates to novel intermediates, processes for their preparation and their use in the preparation of compounds of formula (I).

A invenção atual relaciona-se ao antiobesity da novela e os compostos hypocholesterolemic, os seus derivatives, os seus analogs, seus formulários tautomeric, seus stereoisomers, seus polymorphs, seus sais pharmaceutically aceitáveis, seus solvates pharmaceutically aceitáveis e pharmaceutically as composições aceitáveis contendo os. Mais particularmente, a invenção atual relaciona-se aos ácidos alkylcarboxylic do beta.-arilo-.alpha.-oxysubstituted da novela da fórmula geral (i), do ## do ## STR1 seus derivatives, dos seus analogs, de seus formulários tautomeric, de seus stereoisomers, de seus polymorphs, de seus sais pharmaceutically aceitáveis, de seus solvates pharmaceutically aceitáveis e pharmaceutically das composições aceitáveis contendo os. A invenção atual relaciona-se também a um processo para a preparação dos compostos acima ditos da novela, de seus analogs, de seus derivatives, de seus formulários tautomeric, de seus stereoisomers, de seus polymorphs, de seus sais pharmaceutically aceitáveis, pharmaceutically de solvates aceitáveis e das composições pharmaceutical contendo os. A invenção atual relaciona-se também aos intermediários da novela, aos processos para sua preparação e ao seu uso na preparação dos compostos da fórmula (i).