2-(2-异氰基苯基)-1 H-吲哚是一类同时具有芳族CH和吲哚N-H官能度的官能化异氰化物,首先用于选择性的酰亚胺化环化反应中。通过捕获亚氨基自由基或亚氨基钯选择性地获得具有生物重要性的6-芳基11 H-吲哚并[3,2- c ]喹啉和6-芳基吲哚并[1,2- c ]喹唑啉的支架。通过CH键和NH键的中间体。
General and efficient copper-catalyzed aerobic oxidative synthesis of N-fused heterocycles using amino acids as the nitrogen source
作者:Qing Liu、Haijun Yang、Yuyang Jiang、Yufen Zhao、Hua Fu
DOI:10.1039/c3ra41644e
日期:——
efficient copper-catalyzed aerobic oxidative method for the synthesis of N-fused heterocycles has been developed by using readily available α-amino acids as the nitrogen source. The reactions underwent N-arylation, aerobic oxidative dehydrogenation, intramolecular cyclization and dissociation of formic acid. This method should provide a general and practical strategy for the construction of N-fused
Copper-Catalyzed Sequential Ullmann <i>N</i>-Arylation and Aerobic Oxidative C–H Amination: A Convenient Route to Indolo[1,2-<i>c</i>]quinazoline Derivatives
作者:Peng Sang、Yongju Xie、Jianwei Zou、Yuhong Zhang
DOI:10.1021/ol3016435
日期:2012.8.3
An efficient synthesis of indolo[1,2-c]quinazolinederivatives has been developed by copper-catalyzed sequential Ullmann N-arylation and aerobic oxidative C–H amination. The protocol uses readily available 2-(2-halophenyl)-1H-indoles and (aryl)methanamines as the starting materials to afford indolo[1,2-c]quinazolines, which are the core units of hinckdentine A.
通过铜催化的顺序Ullmann N-芳基化反应和好氧氧化CH-H胺化反应,已开发出吲哚[1,2- c ]喹唑啉衍生物的有效合成方法。该协议使用容易获得的2-(2-卤代苯基)-1 H-吲哚和(芳基)甲胺作为起始原料来提供吲哚并[1,2- c ]喹唑啉,它们是hinckdentine A的核心单元。
Regioselective Synthesis of Indolo[1,2-<i>c</i>]quinazolines and 11<i>H</i>-Indolo[3,2-<i>c</i>]quinolines via Copper-Catalyzed Cascade Reactions of 2-(2-Bromoaryl)-1<i>H</i>-indoles with Aldehydes and Aqueous Ammonia
作者:Shenghai Guo、Li Tao、Wenwen Zhang、Xinying Zhang、Xuesen Fan
DOI:10.1021/acs.joc.5b02076
日期:2015.11.6
synthesis of indolo[1,2-c]quinazolines and 11H-indolo[3,2-c]quinolines through copper-catalyzed one-pot cascade reactions of 2-(2-bromoaryl)-1H-indoles with aldehydes and aqueous ammonia has been achieved. Notably, the regioselectivity was easily controlled by tuning the reaction conditions. Compared with literature methods, the present protocol features easily controlled selectivity, readily available starting
吲哚并[1,2-的高度选择性和方便合成Ç ]喹唑啉和11 ħ吲哚并[3,2- c ^ ]喹啉通过铜催化一锅级联反应的2-(2-溴代)-1 ħ -indoles醛和氨水已实现。值得注意的是,通过调节反应条件可以容易地控制区域选择性。与文献方法相比,本方案的特点是易于控制的选择性,易于获得的起始原料,良好的官能团耐受性和简单的操作程序。
Copper-catalyzed CN Coupling and Cyclization of 2-(2-Bromophenyl)-1<i>H</i>
-indoles with Primary Amides Leading to Indolo[1,2-<i>c</i>
]quinazolines
作者:Jae Myeong Yoo、Pham Duy Quang Dao、Chan Sik Cho
DOI:10.1002/bkcs.11545
日期:2018.9
Synthesis of some new mono, bis-indolo[1, 2-c]quinazolines: evaluation of their antimicrobial studies
A convenient three-step strategy is proposed for the synthesis of mono and bis-indolo[1,2-c]quinazolines from 2-(2-aminophenyl)indole and various aryl aldehydes. The newly synthesized compounds were characterized by elemental analysis, IR, H-1 NMR, C-13 NMR, and mass spectroscopic investigation. All the derivatives were screened for antibacterial (S. aureus, B. subtilis, S. pyogenes, S. typhimurium, E. coli, K. pneumonia) and antifungal (A. niger, C. albicans, T. viridae) activities by cup plate method. Among the compounds tested, mono-indolo[1,2-c]quinazolines (15-18) exhibited good antibacterial activities while 15 and 18 also showed notable antifungal activity. Especially, 19 and 20 exhibited stronger antibacterial as well as antifungal activity against all tested strains.