申请人:Macro Chem. Corp.
公开号:US04861764A1
公开(公告)日:1989-08-29
Novel 1,3-dioxolanes (1,3-dioxyacyclopentanes) are provided along with new 1,3-dioxolanes (1,3-dioxacyclopentanes) compositions which are useful in enhancing the absorption of therapeutic agents through the skin of humans and animals. The method for enhancing skin penetration of therapeutic agents using 1,3-dioxacycloalkanes is also described. The preferred compounds are 1,3-dioxolanes (1,3-dioxacyclopentanes) and 1,3-dioxanes (1,3-dioxacyclohexanes). The preferred compounds have the formula: ##STR1## wherein R, R.sub.0, R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 are each independently selected from hydrogen and C.sub.1 to C.sub.18 aliphatic groups, preferably alkyl, alkenyl, and the halo, hydroxy, carboxy, carboxamide and carboalkoxy substituted forms thereof, with at least one of said R's an alkyl or alkenyl group of C.sub.4 to C.sub.18 and n=0 or 1; the total number of carbon atoms in all of said R groups being no more than 40, and preferably less than 20 and not more than 1 thereof containing 18 or more carbon atoms.
提供了新的1,3-二氧杂环戊烷类化合物(1,3-二氧基环戊烷)以及新的1,3-二氧杂环戊烷类组合物,这些化合物对于增强人类和动物皮肤对治疗剂的吸收是有用的。还描述了使用1,3-二氧基环戊烷类化合物增强治疗剂对皮肤的渗透的方法。首选化合物为1,3-二氧杂环戊烷类化合物(1,3-二氧基环戊烷)和1,3-二氧杂环己烷类化合物(1,3-二氧基环己烷)。首选化合物的化学式为:##STR1## 其中R、R.sub.0、R.sub.1、R.sub.2、R.sub.3、R.sub.4、R.sub.5和R.sub.6各自独立地选择自氢和C.sub.1到C.sub.18脂肪族基团,首选为烷基、烯基,以及卤、羟基、羧基、羧酰胺和羧酯取代形式,其中至少有一个R为C.sub.4到C.sub.18的烷基或烯基基团,n=0或1;所有R基团中碳原子的总数不超过40,首选不超过20,其中不超过1个含有18个或更多碳原子。