A new class of sulfone-linked bis heterocycles, methyl-3-(4′-aryl-1′H-pyrazol-3′-ylsulfonyl)-4-aryl-3H-pyrrole-3-carboxylate (8), methyl-3-(1′-phenyl-3′,5′-diaryl-1′H-pyrazol-4′-ylsulfonyl)-4-aryl-3H-pyrrole-3-carboxylate (9) and methyl-3-(3′,5′-diarylisoxazol-4′-ylsulfonyl)-4-aryl-3H-pyrrole-3-carboxylate (10) were prepared by the regioselective reaction of methyl-3-aryl-2-(E-arylethenesulfonyl)acrylate (2) with tosylmethyl isocyanide followed by fuctionalization of olefin moiety with 1,3-dipolar reagents. The lead compounds were tested for their antimicrobial activity.
一类新的砜连接双杂环,3-(4′-芳基-1′H-
吡唑-3′-基磺酰基)-4-芳基-
3H-吡咯-3-
羧酸甲酯(8)、3-(1′-苯基-3′,5′-二甲基-1′H-
吡唑-4′-基磺酰基)-4-芳基-
3H-吡咯-3-
羧酸甲酯(9)和 3-(3′、5′-二芳基
异恶唑-4′-基磺酰基)-4-芳基-
3H-吡咯-3-
羧酸甲酯(10)是由 3-芳基-2-(E-芳基
乙烯磺酰基)
丙烯酸甲酯(2)与
甲苯基甲基
异氰酸酯发生区域选择性反应,然后用 1,3-二极试剂对烯烃基进行官能化而制备的。对先导化合物进行了抗菌活性测试。