This invention is directed to intermediates of the formula ##STR1## wherein Z is 4-trifluoromethylpyridin-2-yl or 5-trifluoromethylpyridin-2-yl which are useful in the preparation of compounds useful as antihypertensive, anti-ischemic, cardioprotective, and antilipolytic agents.

Esta invenção é dirigida aos intermediários do ## do ## STR1 da fórmula wherein Z é 4-trifluoromethylpyridin-2-yl ou 5-trifluoromethylpyridin-2-yl que são úteis na preparação dos compostos úteis como os agentes do antihipertensivo, os anti-isquêmicos, os cardioprotective, e os antilipolytic.