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Abstract
C-H activation has surfaced as an increasingly powerful tool for molecular sciences,
with notable applications to material sciences, crop protection, drug discovery, and
pharmaceutical industries, among others. Despite major advances, the vast majority
of these C-H functionalizations required precious 4d or 5d transition metal catalysts.
Given the cost-effective and sustainable nature of earth-abundant first row transition
metals, the development of less toxic, inexpensive 3d metal catalysts for C-H activation
has gained considerable recent momentum as a significantly more environmentally-benign
and economically-attractive alternative. Herein, we provide a comprehensive overview
on first row transition metal catalysts for C-H activation until summer 2018.