| 摘要 |
<p>RAN 4227/43-1 The invention relates to compounds of the formula I wherein R is aryl, aralkyl, -(CH2)n-R5, and , where R5 is hydroxy or with R6 being hydrogen, lower alkoxy, amino and R7 is lower alkyl, n is an integer from 1-6, R2 is hydrogen, hydroxy, lower alkoxy, or amino; R3 and R4, which may be the same or different, are lower alkyl, aryl, aralkyl, acyl and hydrogen; and the pharmaceutically acceptable salts thereof, to intermediates for the preparation of these compounds and salts, as well as to a process for the preparation of said compounds, salts and intermediates. The compounds of formula I and the salts thereof have antiobesity and blood lipid lowering agents.</p> |
