Synthetic Approaches towards the Sulfonamide Substituted-1,5-Diarylimidazole-2-thiones as Selective Cyclooxygense-2 inhibitors
作者:Latifeh Navidpour、Mohsen Amini、Ramin Miri、Omidreza Firuzi、Marjan Tavakkoli、Abbas Shafiee
DOI:10.1002/jhet.1695
日期:2014.1
A new series of sulfonamide substituted 1,5‐diarylimidazole, possessing C‐2 alkylthio moiety, were synthesized for their cyclooxygense‐2 (COX‐2) inhibitory activity starting from condensation of N,N‐dibenzylaminosulfonylphenacylamine hydrochloride (2) and corresponding isothiocyanate in the presence of Et3N, followed by alkylation in the basic medium. In concomitant with these intermediates, 2‐ary
合成了具有C-2烷硫基部分的一系列新的磺酰胺取代的1,5-二芳基咪唑,以其对N2,N-二苄氨基磺酰基苯甲胺盐酸盐(2)和相应的异硫氰酸酯的缩合反应起的环氧合2(COX-2)抑制活性。 Et 3 N的存在,然后在碱性介质中进行烷基化。与这些中间体一起,还生产了2‐芳基氨基‐5‐芳基噻唑衍生物5。两种产物的比例随异硫氰酸酯的不同而变化。使用浓硫酸实现最终的脱苄基作用,得到标题磺酰胺8。