Mechanistic investigation demonstrates low-valent iron-catalyzed hydrosilylation in diverse alkyne substrates, suggesting that the reaction proceeds through a Chalk–Harrod pathway.
Low-valent Fe-(0) catalyzes the hydrosilylation of alkynes at 60–120 °C, exhibiting a broad substrate scope and tolerating functional groups. Mechanistic investigations, kinetic studies and DFT suggest that the reaction follows a Chalk–Harrod mechanism.
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Sen et al. (2024) studied this question.
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