Amidinonapththyl furancarboxylate derivatives of the formula I
wherein A is a single bond or A denotes
a) a phenyl group, a cyclopentyl group or a cyclohexyl group;
b) an alkenylphenyl group, an alkylphenyl group, a phenylalkenyl group or a phenylalkyl group wherein alkyl is C₁ to C₇ alkyl and alkenyl is C₁ to C₇ alkenyl;
c) a C₁ to C₁₈ alkyl or C₁ to C₇ alkenyl group, which may be substituted by one or two substituents selected from C₁ to C₅ alkyl groups and guanidino groups, wherein an alkyl substituent together with the carbon atom to which it is attached, may form a cycloalkyl ring having from 3 to 6 carbon atoms, or a C₁ to C₅ alkyl may itself be substituted by a cycloalkyl ring; or
d) -(CH₂)n-NH-CO-(CH₂)n'- wherein n and n', which may be the same or different, each represent an integer from 1 to 4; and
R denotes a hydroxyl group; a C₁ to C₇ alkoxy group which may be mono- or di-substituted by C₁ to C₅ alkyl; a phenyl-C₁-C₄alkoxy group; -OAl(OH)₂; an amino group;
and pharmaceutically acceptable acid addition salts thereof are useful as pharmaceuticals.
式 I 的脒基
萘基
呋喃羧酸酯衍
生物
其中 A 为单键或 A 表示
a)
苯基、环戊基或
环己基;
b)
烯基
苯基、烷基
苯基、
苯基
烯基或
苯基烷基,其中烷基为 C₁ 至 C₇ 烷基,
烯基为 C₁ 至 C₇
烯基;
c) C₁ 至 C₁₈ 烷基或 C₁ 至 C₇
烯基,可被一个或两个选自 C₁ 至 C₅ 烷基和
胍基的取代基取代、其中,烷基取代基可与所连接的
碳原子一起形成具有 3 至 6 个
碳原子的
环烷基环,或 C₁ 至 C₅ 烷基本身可被
环烷基环取代;或
d) -(CH₂)n-NH-CO-(CH₂)n'- 其中 n 和 n'可以相同或不同,各自代表 1 至 4 的整数;以及
R 表示羟基;C₁-C₇烷
氧基,可由 C₁ 至 C₅ 烷基单取代或二取代;
苯基-C₁-C₄烷
氧基;-
OAl(OH)₂;
氨基;
及其药学上可接受的酸加成盐可用作药物。