5′-substituted, 4′,5′-dihydropsoralen compounds (5) bearing tertiary amines (and salts thereof), quaternary ammonium moieties or organomercurial moieties are described.
Also described are 2-substituted mercurimethyl-2-3-dihydro-benzofurans of forumla (7):
Also reported are versatile direct syntheses through a hitherto unknown compounds such as 3-R-4,8-dimethyl-4′,5′-dihydro-5′-bromomethylpsoralen or a 3-R-4,8-dimethyl-4′, 5′-dihydro-5′-iodomethylpsoralen to prepare a structurally diverse array of partially reduced psoralens and benzofurans. The presence of a permanent ammonium charge in these psoralens precludes membrane passage and the mono-unsaturation precludes the cross-linking of nuclear DNA, thereby minimizing the mutagenic/carcinogenic side effects long associated with psoralen-derived therapies. The presence of a mercury functionality provides a reactive cell-binding group on these psoralens with unique cytotoxicity without light activation and an enhancement of cytotoxicity activity upon light activation. The invention also relates to These partially reduced and quaternized psoralens, amino-substituted psoralens, and mercurio psoralens display impressive pharmacology against PAM 212 keratinocytes, a model cell line employed as a test system to indicate epidermal cytotoxicity and cancer. The compounds of the invention also have antimicrobicidal activity useful in pharmacologic agents for mammals (e.g. the treatment of tuberculosis) as well as in controlling the growth of microorganisms on substrates and in aqueous systems.
描述了带有三级胺基(及其盐)、季
铵基团或有机
汞基团的5′-取代、4′,5′-二氢
喋啶化合物(5)。
还描述了公式(7)的2-取代
汞甲基-2-3-二氢
苯并呋喃类化合物。
还报道了通过迄今为止未知的化合物(如3-R-4,8-二甲基-4′,5′-二氢-5′-
溴甲基喋啶或3-R-4,8-二甲基-4′,5′-二氢-5′-
碘甲基
喋啶)直接合成多种结构不同的部分还原
喋啶和
苯并呋喃。 这些
喋啶中永久
铵电荷的存在阻止了膜通透性,而单不饱和度阻止了核DNA的交联,从而最大程度地减少了与
喋啶衍生疗法长期相关的致突变/致癌副作用。
汞功能团的存在为这些
喋啶提供了具有独特细胞毒性的反应性细胞结合基团,无需光激活即可增强细胞毒性活性。 该发明还涉及这些部分还原和季
铵化的
喋啶、
氨基取代的
喋啶和
汞喋啶对P
AM 212角质细胞表现出令人印象深刻的药理学作用,P
AM 212角质细胞是作为表皮细胞毒性和癌症指示的测试系统所采用的模型
细胞系。 该发明的化合物还具有对哺乳动物有用的抗微
生物活性(例如治疗结核病)以及在控制基质和
水系统中微
生物生长方面的作用。