C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
260/458.4
C07F 9/40 (2006.01)
Patent
CA 1297494
HOE 87/F 065 Abstract: A process for the production of dialkyl esterr of vinyl phosphonic acid which comprises subjecting dialkyl esters of 2-acetoxyethane phosphonic acid to cleavage by contacting with a liquid catalytically acting medium at a temperature in the range from 150 to 270°C and under a pressure such that the partial pressures of the total of the components of the reac- tion system is in the range from 1 to 500 mbar, and drawing off the resultlng dialkyl esters of vinyl phosphonic acid and other volatile reaction products.
560543
Ihl Gabriele
Kleiner Hans-Jerg
Leipe Hermann
Roscher Gunter
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
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