C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
260/613.9
C07F 9/50 (2006.01)
Patent
CA 1292016
PROCESS FOR MAKING TERTIARY ALKYLPHOSPHINES ABSTRACT OF THE DISCLOSURE Tertiary alkylphosphines of the general formula R3P, in which R stands for identical or different, linear, unsubsti- tuted alkyl groups having 3 to 20 carbon atoms, with the pro- viso however that one of the alkyl groups may be a secondary butyl group, are made by reacting hydrogen phosphide PH3 with an appropriate alkene or alkenes in stoichiometric excess, if desired, at elevated temperature and under increased pressure in contact with a radical-yielding agent. 2,2'-azobis-(2-me- thylbutyronitrile) is used as the radical-yielding agent in the absence of whatever alien solvent.
544071
Elsner Georg
Frorath Friedrich-Karl
Stephan Hans-Werner
Weferling Norbert
Elsner Georg
Fetherstonhaugh & Co.
Frorath Friedrich-Karl
Hoechst Aktiengesellschaft
Stephan Hans-Werner
LandOfFree
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