Mn(CO)₅Br-Catalyzed Hydrosilation of Alkene with Hydrosiloxanes and Hydrogen-Containing Silicone Oil

Abstract

A cyano-ligand-assisted Mn(CO)₅Br-catalyzed hydrosilylation of alkenes with 1,1,1,3,3-pentamethyldisiloxane (PMDS) was developed. This versatile manganese catalyst proved broadly applicable, delivering anti-Markovnikov products with high regioselectivity. Furthermore, the catalytic system was also successfully applied to the functionalization of hydrogen-containing silicone oil. The desired product organosilicon oil was characterized by thermogravimetric analysis (TGA), Fourier transform infrared spectroscopy (FT-IR), and gel permeation chromatography (GPC).

Keywords

Manganese catalyst - Hydrosilylation - Organosilicon oil - Hydrogen-containing silicone oil - Anti-Markovnikov regioselectivity

Publication History

Received: 28 November 2025

Accepted after revision: 29 December 2025

Accepted Manuscript online:
29 December 2025

Article published online:
15 January 2026

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