Anthralin analogues containing a thio-substituent, especially in one or more of the positions 2-, 7- and 10- of the anthralin ring. They may be made by reacting an anthralin derivative (e.g. 10-bromoanthralin) with a thiol or a compound containing a group convertible to a thio-group. Alternatively, a 1,8-dihydroxy anthraquinone containing a thio-substituent may be reduced. Reactive intermediates may be made by introducing one or more nuclear allylic groups into a 1,8-dihydroxy anthraquinone and then converting them into a reactive form, e.g. by epoxidation or halide addition. The intermediate can then reduced to the oxidation state corresponding to anthralin. Additional products having the 10-carbon atom of the anthralin ring as part of a heterocyclic ring, may be made by anthralins containing various substitutes thioalkyl groups as the 10-substituent. The compounds are useful for treatment of psoriasis, and may be formulated in the conventional vehicles for topical application, for example petrolatum.
含有
硫取代基的
蒽醌类似物,尤其是在
蒽醌环的2-、7-和10-位置中的一个或多个位置。它们可以通过将
蒽醌衍
生物(例如10-
溴蒽醌)与
硫醇或含有可转化为
硫基团的化合物反应而制得。另外,含有
硫取代基的1,8-二羟基
蒽醌可以被还原。通过将一个或多个核联烯基引入1,8-二羟基
蒽醌中,然后将其转化为反应性形式(例如通过环氧化或卤素加成),可以制备反应性中间体。然后,中间体可以还原为对应于
蒽醌的氧化状态。含有各种
硫代烷基取代基作为10-取代基的
蒽醌可以制备成将
蒽醌环的10-碳原子作为杂环的部分的其他产物。这些化合物可用于治疗牛皮癣,并可以制成传统的局部应用载体,例如凡士林。