Synthesis of 2-((2-(Benzo[d]oxazol-2-yl)-2H-imidazol-4-yl)amino)-phenols from 2-((5H-1,2,3-Dithiazol-5-ylidene)amino)phenols through Unprecedented Formation of Imidazole Ring from Two Methanimino Groups
作者:Ilia V. Baranovsky、Lidia S. Konstantinova、Mikhail A. Tolmachev、Vadim V. Popov、Konstantin A. Lyssenko、Oleg A. Rakitin
DOI:10.3390/molecules25173768
日期:——
A new synthetic pathway to four substituted imidazoles from readily available 2-((4-aryl(thienyl)-5H-1,2,3-dithiazol-5-ylidene)amino)phenols has been developed. Benzo[d]oxazol-2-yl(aryl(thienyl))methanimines were proved as key intermediates in their synthesis. The formation of an imidazole ring from two methanimine derivatives likely includes the opening of one benzoxazole ring followed by ring closure
已经开发了从容易获得的 2-((4-芳基(噻吩基)-5H-1,2,3-二噻唑-5-亚基)氨基)酚类合成四个取代咪唑的新途径。苯并[d]恶唑-2-基(芳基(噻吩基))甲胺被证明是其合成中的关键中间体。由两种甲胺衍生物形成咪唑环可能包括打开一个苯并恶唑环,然后通过 N-甲胺原子的分子间亲核攻击对另一种甲胺的碳原子进行闭环。