Method for the preparation of tertiary olefins

Details Method for the preparation of tertiary olefins Method for the preparation of tertiary olefins

1975-08-01

1977-02-01

Garvin, Patrick P.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260632B, C07C 100, C07C 124

Patent

active

040061981

ABSTRACT:
A method is disclosed for preparing tertiary olefins starting from the corresponding tertiary ethers, the improvement consisting in contacting the ether with a catalyst composed by active alumina modified by reaction with a silicon compound selected among those corresponding to the general formula: ##STR1## wherein X,Y,Z and W can be --R, --OR, --Cl, --Br, --SiH.sub.3 , --COOR, --Sih.sub.n O.sub.m, R being hydrogen, an alkyl, cycloalkyl, aryl, aralkyl or alkyl-cycloalkyl radical of from 1 to 30 carbon atoms, n and m being integers comprised between 1 and 3. The advantages afforded by the invention are mainly the nearly quantitative yields and the high purity of the end products.

REFERENCES:
patent: 2468764 (1949-05-01), Laurent
patent: 2636057 (1953-04-01), Cutcher et al.

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