作者:Yi-Ming Wei、Xiao-Di Ma、Meng-Fei Wang、Xin-Fang Duan
DOI:10.1021/acs.orglett.3c00975
日期:2023.4.21
Fe-catalyzed difunctionalization of aryl titanates via double C–H activation has been developed, where aryl titanates were arylated via ortho C–H activation, followed by ipso electrophilic trapping of the C–Ti bond. The ortho C–H arylation should be promoted by a 1,2-Fe/Ti synergistic heterobimetallic arylene intermediate and represents an ortho C–H ferration directed by a readily transformable C–Ti group
已经开发了通过双 C-H 活化的 Fe 催化的钛酸芳基酯双官能化,其中钛酸芳基酯通过邻位C-H 活化被芳基化,然后是C-Ti 键的ipso亲电捕获。邻位C-H 芳基化应由 1,2-Fe/Ti 协同异双金属亚芳基中间体促进,并代表由易于转化的 C-Ti 基团引导的邻位C-H 铁化。常见的苯甲酰胺、酯类和腈类用作芳基化试剂,这涉及由这些官能团引导的另一种邻位C-H 活化。