C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
C07F 7/10 (2006.01) C07F 7/18 (2006.01)
Patent
CA 2159695
The invention relates to a process for preparing amino- propylalkoxysilanes of the general formula R2R3NCH2CHR4CH2Si(OR)3-n(R1)n (I) by reaction of hydrogensilanes of the general formula HSi(OR)3-n(R1)n (II) with an amine of the general formula R2R3NCH2CR4=CH2 (III), where R and R1 are alkyl radicals having from 1 to 8 carbon atoms and n is equal to 0 or 1 or 2 and R2 and R3 are hydrogen, alkyl radicals having from 1 to 8 carbon atoms and/or .omega.-alkenyl radicals having from 3 to 8 carbon atoms and R4 is hydrogen or an alkyl radical having from 1 to 8 carbon atoms, in the presence of a rhodium complex catalyst containing organophosphorus ligands. The reaction is here carried out in the presence of a shaped polymeric rhodium complex catalyst containing organosiloxanemonophenylphosphine ligands. In addition, the invention relates to the use of shaped polymeric rhodium complex catalysts for the preparation of aminopropylalkoxysilanes.
Frings Albert
Horn Michael
Kotzsch Hans-Joachim
Kropfgans Frank
Monkiewicz Jaroslaw
Degussa-Huls Aktiengesellschaft
Fetherstonhaugh & Co.
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