MICROWAVE INDUCED DRY-MEDIA SYNTHESIS OF SPIRO[INDOLE-THIAZOLIDINONES/ THIAZINONES] AS POTENTIAL ANTIFUNGAL AND ANTITUBERCULAR AGENTS AND STUDY OF THEIR REACTIONS
作者:Anshu Dandia、Ruby Singh、Kapil Arya
DOI:10.1080/10426500490422209
日期:2004.3.1
A series of new spiro[3H-indole-3,2′-thiazolidine]-2,4′(1H)-diones (IV) and spiro[3H-indole-3,2′-tetrahydro-1,3-thiazine]-2,4′(1H)-diones (V) have been synthesized in 85–93% yield by the one-pot environmentally benign microwave induced technique involving the cyclocondensation of 3-arylimino-2H-indol-2-ones (III) with thioacids viz. mercapto aceticacid (a)/3-mercapto propionicacid (b) using montmorillonite
一系列新型螺[3H-吲哚-3,2'-噻唑烷]-2,4'(1H)-二酮(IV)和螺[3H-吲哚-3,2'-四氢-1,3-噻嗪] -2,4'(1H)-二酮 (V) 已通过一锅环境良性微波诱导技术以 85-93% 的产率合成,包括 3-芳基亚氨基-2H-吲哚-2-酮 (III) 的环缩合含硫代酸即。巯基乙酸 (a)/3-巯基丙酸 (b) 使用蒙脱石 KSF 作为无机固体载体。中间体 (III) 是通过吲哚-2,3-二酮 (I) 和取代苯胺 (II) 的反应原位合成的。在微波辐射下使用固体支持物进一步对螺环化合物进行无溶剂乙酰化、氨基烷基化和硫代化。合成的化合物已在体外筛选出对立枯丝核菌、尖孢镰刀菌、