Synthesis and Biological Activity of Functionalized Indole-2-carboxylates, Triazino- and Pyridazino-indoles
作者:Adel A. El-Gendy、Mohamed M. Said、Nagat Ghareb、Yasser M. Mostafa、El Sayed H. El-Ashry
DOI:10.1002/ardp.200700161
日期:2008.5
4]triazino[4,5‐a]indol‐1(2H)‐one 14. Vilsmeier–Haack formylation of 7–9 gave ethyl 3‐formyl‐substituted‐1H‐indole‐2‐carboxylates 15–17 whose 2,2′‐((5‐chloro‐2‐(ethoxycarbonyl)‐1H‐indol‐3‐yl)methylene)bis‐(sulfanediyl) diacetic acid 18 was prepared. The reaction of 15 and 16 with substituted anilines by conventional and microwave methods gave ethyl 3‐(N‐aryliminomethyl)‐5‐halo‐1H‐indole‐2‐carboxylates 19–29.
芳基肼与丙酮酸乙酯缩合得到相应的腙4-6;Fischer 吲哚化导致取代的 - 1H - 吲哚 - 2 - 羧酸乙酯 7-9。这些化合物与甲醛和吗啉的曼尼希反应生成 3-(吗啉甲基)-取代的 1H-吲哚-2-羧酸乙酯 10-12。5,7-二氯-1H-indole-2-carbohydrazide 13 在 DMF 中与原甲酸甲酯环化得到 6,8-二氯 [1,2,4] 三嗪基 [4,5-a] indole-1 (2H) -One 14. Vilsmeier – Haack 甲酰化 7-9 得到 3-甲酰基-取代的-1H-吲哚-2-羧酸乙酯 15-17,其 2,2'-((5-氯-2-(乙氧基羰基)-1H-制备了吲哚-3-基)亚甲基)双(硫烷二基)二乙酸18。15和16与取代苯胺通过常规和微波方法反应得到3-(N-芳基亚氨基甲基)-5-卤代-1H-吲哚-2-羧酸乙酯19-29。在 19-25 与