摘要 |
<p>Compounds of formula (I): (see fig. I) wherein R1 is alkyl or alkenyl; R2 and R3 are hydrogen, alkyl, alkenyl, cycloalkyl, aralkyl, aryl, or aryl fused to cycloalkyl; R4 is hydrogen, alkyl, alkanoyl, alkenoyl, arylcarbonyl, alkoxycarbonyl, totrahydropyranyl, tetrahydrothiopyranyl, tetrahydrothienyl tetrahydrofuryl, a group of formula -SiR a R b R c, in which R a, R b and R c are alkyl or aryl, alkoxymethyl, (alkoxyalkoxy)methyl, haloalkoxymethyl, aralkyl, aryl or alkanoyloxymethoxycarhonyl; R5 is carboxy or a group of formula -CONR8R9, wherein R8 and R9 are hydrogen atoms or alkyl, or R8 and R9 together form alkylene; R6 is hydrogen, alkyl, alkoxy or halogen; R7 is carboxy or tetrazol-5-yl; and pharmaceutically acceptable salts and esters thereof have hypotensive activity and can be used for the treatment and prophylaxis of hypertension. They may be prepared, inter alia, by reacting a biphenylmethyl compound with an imidazole compound.</p> |
申请人 |
SANKYO COMPANY LIMITED |
发明人 |
YANAGISAWA, HIROAKI;SHIMOJI, YASUO;FUJIMOTO, KOICHI;KANAZAKI, TAKURO;AMEMIYA, YOSHIYA;KOIKE, HIROYUKI;SADA, TOSHIO |