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Catalysis of hydrosilylation. XV. A poly(phosphino‐organosiloxanyl)silicate‐supported rhodium(I) catalyst for gas‐phase hydrosilylation of acetylene
Author(s) -
Marciniec Bogdan,
Foltynowicz Ze,
Urbaniak WŁOdzimierz
Publication year - 1987
Publication title -
applied organometallic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.53
H-Index - 71
eISSN - 1099-0739
pISSN - 0268-2605
DOI - 10.1002/aoc.590010511
Subject(s) - hydrosilylation , chemistry , catalysis , acetylene , rhodium , organosilicon , chrysotile , polymer chemistry , microreactor , organic chemistry , chemical engineering , metallurgy , materials science , engineering , asbestos
Wilkinson's complex [RhCl(PPh 3 ) 3 ], anchored to phosphino‐organosiloxane macromolecules grafted onto chrysotile asbestos, appeared to be an unusually effective and selective catalyst for the synthesis of vinylsilanes via gas‐phase hydrosilylation of acetylene, particularly by methyldichlorosilane in a continuous‐flow microreactor as well as in a laboratory reactor. Catalytic and kinetic parameters show an advantage for the catalyst based on the chrysotile‐polyorganosiloxane support (catalyst CHR–Rh) over the phosphinated silica (catalyst A).