探索了5- [2-(杂)芳基-1-苯并噻吩-3-基]-嘧啶系列中氢的分子内亲核芳族取代的可能性。合成[1]苯并噻吩并- [3,2- f ]噻吩并[2,3- h ]喹唑啉和[1]苯并噻吩并-[3,2- f ]噻吩并[3,2- h ]喹唑啉的简便方法提出了基于已开发的S N H协议的协议。苯并噻吩并[ 3,2- f ]-噻吩并[2,3- h ]的能量参数(带隙宽度,最高占据分子轨道(HOMO)和最低未占据分子轨道(LUMO)的能量)基于吸收光谱和循环伏安法的数据,确定了首次合成的对喹唑啉。
Synthesis, and structure–activity relationship for C(4) and/or C(5) thienyl substituted pyrimidines, as a new family of antimycobacterial compounds
作者:Egor V. Verbitskiy、Ekaterina M. Cheprakova、Pavel A. Slepukhin、Marionella A. Kravchenko、Sergey N. Skornyakov、Gennady L. Rusinov、Oleg N. Chupakhin、Valery N. Charushin
DOI:10.1016/j.ejmech.2015.05.007
日期:2015.6
Combination of the Suzuki cross-coupling and nucleophilicaromatic substitution of hydrogen (SNH) reactions proved to be a convenient method for the synthesis of C(4) and/or C(5) mono(thienyl) and di(thienyl) substituted pyrimidines from commercially available 5-bromopyrimidine. All new pyrimidines were found to be active in micromolar concentrations in vitro against H37Rv, avium, terrae, rifampicin
A new route towards dithienoquinazoline and benzo[f]thieno[3,2-h]quinazoline systems using Pd-catalyzed intramolecular cyclization under microwave irradiation
作者:Egor V. Verbitskiy、Gennady L. Rusinov、Oleg N. Chupakhin、Valery N. Charushin
DOI:10.3998/ark.5550190.p009.623
日期:——
A novel synthetic route to novel thienoacene systems bearing a fused pyrimidine ring is proposed. The commercially available 5-bromopyrimidine is used as the starting material to obtain various dithienoquinazoline and benzo[f]thieno[3,2-h]quinazoline systems through the Suzuki crosscoupling, nucleophilic aromatic substitution of hydrogen (the SNH reaction), and finally palladiumcatalyzed intramolecular
Synthesis of 3-aryl-1-phosphinoimidazo[1,5-<i>a</i>]pyridine ligands for use in Suzuki–Miyaura cross-coupling reactions
作者:Ryan Q. Tran、Long P. Dinh、Seth A. Jacoby、Nekoda W. Harris、William A. Swann、Savannah N. Williamson、Rebecca Y. Semsey、Larry Yet
DOI:10.1039/d1ra05417a
日期:——
5-a]pyridine ligands were synthesized from 2-aminomethylpyridine as the initial substrate via two complementary routes. The first synthetic pathway underwent the coupling of 2-aminomethylpyridine with substituted benzoyl chlorides, followed by cyclization, iodination and palladium-catalyzed cross-coupling phosphination reactions sequence to give our phosphorus ligands. In the second route, 2-aminomethylpyridine