	US 12,269,834 B2
	Selective preparation of vinyl- and ethyl-functionalized chlorosilanes
David Lawrence Witker, Midland, MI (US); Juan Mauricio Venegas, Midland, MI (US); Ronen Weingarten, Midland, MI (US); and Dimitris E. Katsoulis, Midland, MI (US)
Assigned to DOW SILICONES CORPORATION, Midland, MI (US)
Appl. No. 17/786,570
Filed by DOW SILICONES CORPORATION, Midland, MI (US)
PCT Filed Dec. 17, 2020, PCT No. PCT/US2020/065615 § 371(c)(1), (2) Date Jun. 17, 2022, PCT Pub. No. WO2021/127182, PCT Pub. Date Jun. 24, 2021.
Claims priority of provisional application 63/059,909, filed on Jul. 31, 2020.
Claims priority of provisional application 62/949,883, filed on Dec. 18, 2019.
Prior Publication US 2023/0076525 A1, Mar. 9, 2023
Int. Cl. C07F 7/14 (2006.01)

CPC C07F 7/14 (2013.01)

18 Claims

1. A method of preparing an organosilicon compound, said method comprising:

reacting via silylation (A) a hydridochlorosilane compound and (B) ethylene in the presence of (C) a catalyst comprising a Ru₃(CO)₁₂complex and a phosphorus ligand, thereby preparing the organosilicon compound.