一锅法构建苯并[4,5]噻吩并[3,2- b ]吲哚,吡啶基[3',2':4,5]噻吩并[3,2- b ]吲哚和吡嗪并[2',3 ':4,5]噻吩并[3,2- b ]吲哚基于菲舍尔吲哚合成
摘要:
在这项研究中,苯并[4,5]噻吩并[3,2- b ]吲哚,吡啶并[3',2':4,5]噻吩并[3,2- b ]吲哚和吡嗪并[2',3 ':4,5]噻吩并[3,2- b ]吲哚分别使用基于Fischer的一锅两步策略,分别由苯并吡啶基或吡嗪并稠合的3-氨基噻吩-2-羧酸酯有效合成吲哚化反应。这种合成方法的本质是由相应的环稠合的3-氨基噻吩-2-羧酸酯与芳基肼在原位生成的3-氨基噻吩中间体与酸进行反应,从而生成噻吩-3(2 H)-ones的芳hydr ,然后将它们吲哚化,得到噻吩并[3,2 - b ]吲哚核分子。
CuSO<sub>4</sub>-Catalyzed dual annulation to synthesize O, S or N-containing tetracyclic heteroacenes
作者:Xiang-Huan Shan、Bo Yang、Jian-Ping Qu、Yan-Biao Kang
DOI:10.1039/d0cc01172j
日期:——
In this work, CuSO4 is utilized as a practical redox catalyst for tandem dual annulation in the synthesis of indole-fused tetracyclic heteroacenes, which are important skeletons in both medicinal chemistry and materials chemistry.
Lithiation of 3-aminobenzo[b]thiophene and 3-aminothiophene derivatives. Application to the synthesis of benzo[b]thienoindole and thienoindole derivatives
[EN] COMPOUND FOR ORGANIC ELECTRONIC DEVICE, ORGANIC ELECTRONIC DEVICE USING SAME, AND ELECTRONIC APPARATUS OF SAID ORGANIC ELECTRONIC DEVICE<br/>[FR] COMPOSÉ POUR DISPOSITIF ÉLECTRONIQUE ORGANIQUE, DISPOSITIF ÉLECTRONIQUE ORGANIQUE L'UTILISANT ET APPAREIL ÉLECTRONIQUE DUDIT DISPOSITIF ÉLECTRONIQUE ORGANIQUE
申请人:DUKSAN HIGH METAL CO LTD
公开号:WO2014058183A1
公开(公告)日:2014-04-17
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