A new heteropentacyclic system <i>via</i> coupling sterically crowded <i>o</i>-benzoquinone with <i>o</i>-phenylenediamines
作者:Eugeny Ivakhnenko、Vasily Malay、Oleg Demidov、Pavel Knyazev、Nadezhda Makarova、Vladimir Minkin
DOI:10.1039/d2ob02165j
日期:——
sensitive to the reaction conditions (type of solvent, ratio of reactants, and duration of the reaction) gives rise to various derivatives of a new condensed 10H-quinoxalino[3,2,1-kl]phenoxazin-10-one heteropentacyclic system. The reaction of 1 with N-phenyl-o-phenylenediamine results in the formation of three phenazine-like compounds and, unexpectedly, a derivative of a new spiro[1,3]dioxole-2,2′-fu
3,5-二(叔丁基)-邻苯醌1和邻苯二胺在对反应条件(溶剂类型、反应物比例和反应持续时间)高度敏感的氧化条件下进行的反应给出产生新的稠合 10 H-喹喔啉[3,2,1- kl ]phenoxazin-10-one 杂五环系统的各种衍生物。1与N-苯基-邻苯二胺的反应导致形成三种吩嗪类化合物,并且出乎意料地形成了一种新的螺[1,3]二氧杂环戊二烯-2,2'-呋喃基-1H-苯并的衍生物[ d]咪唑系统。所制备化合物的分子结构通过核磁共振、质谱和X射线晶体学数据进行了鉴定。