Catalytic Undirected Meta‐Selective C–H Borylation of Metallocenes
Hao Zheng,
Chang‐Hui Liu,
Xiao‐Yu Wang
et al.
Abstract:Metallocenes are privileged backbones in the fields of synthetic chemistry, catalysis, polymer science, etc. Direct C–H functionalization is undoubtedly the simplest approach for tuning the properties of metallocenes. However, owing to the presence of multiple identical C(sp2)‐H sites, this protocol often suffers from low reactivity and selectivity issues, especially for the regioselective synthesis of 1,3‐difunctionalized metallocenes. Herein, an efficient iridium‐catalyzed meta‐selective C–H borylation of me… Show more
Reported herein is a method that merges organophotoredox and hydrogen atom transfer catalysis to enable the C–H borylation of heterocycles using O2 as an environmentally friendly oxidant.
Reported herein is a method that merges organophotoredox and hydrogen atom transfer catalysis to enable the C–H borylation of heterocycles using O2 as an environmentally friendly oxidant.
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