Manufacture of olefinically unsaturated aliphatic or cycloalipha

Details Manufacture of olefinically unsaturated aliphatic or cycloalipha Manufacture of olefinically unsaturated aliphatic or cycloalipha

1978-05-19

1979-12-11

O'Keefe, Veronica

Chemistry of hydrocarbon compounds

Alicyclic compound synthesis

From nonhydrocarbon

585638, 585640, C07C 300

Patent

active

041783174

ABSTRACT:
Olefinically unsaturated aliphatic or cycloaliphatic hydrocarbons are manufactured by bringing alkanecarboxylic acids of 3 to 20 carbon atoms, alkanedicarboxylic acids of 4 to 20 carbon atoms or 5-membered or 6-membered cycloalkanecarboxylic acids or their alkyl, cycloalkyl, aralkyl or phenyl esters, in the gas phase, at from 250.degree. to 800.degree. C., into contact with catalysts in which the active composition consists of boron trioxide, boric acid and/or boron nitride, together with one or more of the oxides of aluminum, silicon, tin, lead, titanium and zirconium.

REFERENCES:
patent: 4024171 (1977-05-01), McArthur

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