申请人:Cytel Corporation
公开号:US05604207A1
公开(公告)日:1997-02-18
The inventive compounds are analogues of sialyl Le.sup.x that inhibit cellular adhesion between a selectin and cells that express sialyl Le.sup.x on their surfaces, and their synthetic intermediates. An inventive compound has structure A, ##STR1## wherein Z is hydrogen, C.sub.1 -C.sub.6 acyl or ##STR2## Y is C(O), SO.sub.2, HNC(O), OC(O) or SC(O); R.sup.1 is an aryl, a substituted aryl or a phenyl C.sub.1 -C.sub.3 alkylene group, wherein an aryl group has one five- or six-membered aromatic ring, a fused five/six-membered aromatic ring, or two fused six-membered aromatic rings, which rings are hydrocarbyl, monooxahydrocarbyl, monothiahydrocarbyl, monoazahydrocarbyl or diazahydrocarbyl rings, and a substituted aryl group is an aryl group having a halo, trifluoromethyl, nitro, C.sub.1 -C.sub.18 alkyl, C.sub.1 -C.sub.18 alkoxy, amino, mono-C.sub.1 -C.sub.18 alkylamino, di-C.sub.1 -C.sub.18 alkylamino, benzylamino, C.sub.1 -C.sub.18 alkylbenzylamino, C.sub.1 -C.sub.18 thioalkyl or C.sub.1 -C.sub.18 alkyl carboxamido substituent, or R.sup.1 Y is allyloxycarbonyl or chloroacetyl; R.sup.2 is hydrogen, C.sub.1 -C.sub.18 straight chain, branched chain or cyclic hydrocarbyl, C.sub.1 -C.sub.6 alkyl C.sub.1 -C.sub.5 alkylene .omega.-carboxylate, .omega.-tri(C.sub.1 -C.sub.4 alkyl/phenyl)silyl C.sub.2 -C.sub.4 alkylene, monosaccharide or disaccharide, or OR.sup.2 together form a C.sub.1 -C.sub.18 straight chain, branched chain or cyclic hydrocarbyl carbamate; R.sup.3 is hydrogen or C.sub.1 -C.sub.6 acyl; R.sup.4 is hydrogen, C.sub.1 -C.sub.6 alkyl or benzyl; R.sup.5 is hydrogen, benzyl, methoxybenzyl, dimethoxybenzyl or C.sub.1 -C.sub.6 acyl; R.sup.7 is methyl or hydroxymethyl; and X is C.sub.1 -C.sub.6 acyloxy, C.sub.2 -C.sub.6 hydroxylacyloxy, hydroxy, halo or azido.
这些创新化合物是sialyl Le.sup.x的类似物,可以抑制选择素和表面表达sialyl Le.sup.x的细胞之间的细胞粘附,以及它们的合成中间体。一种创新化合物具有结构A,其中Z是氢,C.sub.1 -C.sub.6酰基或##STR2##;Y是C(O),SO.sub.2,HNC(O),OC(O)或SC(O);R.sup.1是芳基,取代芳基或苯基C.sub.1 -C.sub.3烷基;芳基具有一个五元或六元芳香环,一个融合的五/六元芳香环,或两个融合的六元芳香环,这些环是烃基、单氧烃基、单硫烃基、单氮烃基或双氮烃基环,取代芳基是具有卤素、三氟甲基、硝基、C.sub.1 -C.sub.18烷基、C.sub.1 -C.sub.18烷氧基、氨基、单C.sub.1 -C.sub.18烷基氨基、双C.sub.1 -C.sub.18烷基氨基、苄胺基、C.sub.1 -C.sub.18烷基苄胺基、C.sub.1 -C.sub.18硫代烷基或C.sub.1 -C.sub.18烷基羧酰胺取代基,或R.sup.1 Y是烯丙氧羰基或氯乙酰;R.sup.2是氢,C.sub.1 -C.sub.18直链、支链或环烃基,C.sub.1 -C.sub.6烷基C.sub.1 -C.sub.5烯烷基 .omega.-羧酸酯,.omega.-三(C.sub.1 -C.sub.4烷基/苯基)硅基C.sub.2 -C.sub.4烯烷基,单糖或双糖,或OR.sup.2一起形成C.sub.1 -C.sub.18直链、支链或环烃基碳酸酯;R.sup.3是氢或C.sub.1 -C.sub.6酰基;R.sup.4是氢,C.sub.1 -C.sub.6烷基或苄基;R.sup.5是氢,苄基,甲氧基苄基,二甲氧基苄基或C.sub.1 -C.sub.6酰基;R.sup.7是甲基或羟甲基;X是C.sub.1 -C.sub.6酰氧基,C.sub.2 -C.sub.6羟基酰氧基,羟基,卤素或叠氮。