Ester-directed orthogonal dual C–H activation and <i>ortho</i> aryl C–H alkenylation <i>via</i> distal weak coordination
作者:Manickam Bakthadoss、Tadiparthi Thirupathi Reddy、Vishal Agarwal、Duddu S. Sharada
DOI:10.1039/d1cc06097j
日期:——
of two same molecules via dual C–H bond activation in an intermolecular fashion has been developed using a distal ester-directing group. This new coupling reaction led to the synthesis of the highly functionalized 1,3-diaryl molecular architecture in very good yields and with high chemo- and regioselectivities. In addition, using ester as the distal directing group, ortho C–H olefination of α-methyl
使用远端酯导向基团,通过分子间方式的双 C-H 键活化,在两个相同分子的芳族 C(sp 2 ) 和脂族烯烃 C(sp 2 ) 碳之间进行了前所未有的正交交叉偶联。这种新的偶联反应导致以非常好的收率和高化学和区域选择性合成高度官能化的 1,3-二芳基分子结构。此外,使用酯作为远端导向基团, α-甲基芳基丙烯酸酯和肉桂酸酯与各种烯烃的邻位C-H 烯化反应以非常好的收率和广泛的底物范围实现。