Aromatic retinoic acid analogues of the formula ##STR1## where X is hydrogen or fluorine, Y is hydrogen, halogen of atomic number 9 or 17, hydroxy, alkyl of 1 to 2 carbon atoms or alkoxy of 1 to 2 carbon atoms and R is hydroxy, alkoxy, aroxy, or NR.sup.1 R.sup.2 where R.sup.1 is hydrogen, alkyl, or aryl and R.sup.2 is alkyl or aryl, with the proviso that when Y is hydrogen, X is fluorine. These retinoids are useful as chemopreventive agents for inhibiting tumor promotion in epithelial cells and for treating nonmalignant skin disorders.
式子为##STR1##的芳香族
维甲酸类似物,其中X为氢或
氟,Y为氢,原子序数为9或17的卤素,羟基,1至2个碳原子的烷基或1至2个碳原子的烷氧基,而R为羟基,烷氧基,芳基氧基或NR.sup.1R.sup.2,其中R.sup.1为氢,烷基或芳基,R.sup.2为烷基或芳基,但当Y为氢时,X为
氟。这些
维甲酸类似物可用作
化学预防剂,用于抑制上皮细胞中的肿瘤促进和治疗非恶性皮肤疾病。