Carbonic Anhydrase Inhibitors. Synthesis of Water-Soluble, Topically Effective, Intraocular Pressure-Lowering Aromatic/Heterocyclic Sulfonamides Containing Cationic or Anionic Moieties: Is the Tail More Important than the Ring?
作者:Andrea Scozzafava、Luca Menabuoni、Francesco Mincione、Fabrizio Briganti、Giovanna Mincione、Claudiu T. Supuran
DOI:10.1021/jm9900523
日期:1999.7.1
Reaction of several aromatic/heterocyclic sulfonamides containing a free amino, imino, hydrazino, or hydroxyl group, with 2, 3-pyridinedicarboxylic anhydride or 2,6-pyridinedicarboxylic acid in the presence of carbodiimide derivatives, afforded two series of water-soluble (as hydrochloride, triflate, or carboxylate salts) compounds. The new derivatives were assayed as inhibitors of the zinc enzyme carbonic
在碳二亚胺衍生物存在下,几种含有游离氨基,亚氨基,肼基或羟基的芳香/杂环磺酰胺与2,3-吡啶二羧酸酐或2,6-吡啶二羧酸的反应,得到两个系列的水溶性盐,三氟甲磺酸盐或羧酸盐)化合物。分析了新衍生物作为锌酶碳酸酐酶(CA)的抑制剂,更准确地说是涉及重要生理过程的三种同工酶CA I,II(胞质形式)和IV(膜结合形式)的抑制剂。观察到针对所有三种同工酶的有效抑制作用,尤其是针对CA II和IV(纳摩尔范围)的抑制作用,这两种同工酶已知在眼睛睫状突中的房水分泌中起关键作用。某些合成的最佳抑制剂以2%水溶液的形式直接施用于血压正常和青光眼的白化病兔子的眼睛中。他们中的许多人都观察到非常强烈且持久的眼内压(IOP)降低。这一结果促使我们重新分析其他研究小组在设计水溶性局部有效抗青光眼磺酰胺类药物上所做的合成工作。这些研究人员认为,降低IOP的作用是由于所考虑的特定杂环磺酰胺的内在性质,其中,硫代噻喃