Process for the production of substituted vinylbenzenes

Details Process for the production of substituted vinylbenzenes Process for the production of substituted vinylbenzenes

C - Chemistry, Metallurgy

07

D

C07D 319/04 (2006.01) C07C 39/20 (2006.01) C07C 39/21 (2006.01) C07C 69/017 (2006.01) C07C 69/157 (2006.01) C07D 319/08 (2006.01)

Patent

CA 2080048

ABSTRACT OF THE DISCLOSURE A process is disclosed for the production of substituted vinylbenzenes of the general formula: Image (I) wherein R is a lower alkyl group having 1 to 4 C atoms, R1 is hydrogen or an acetyl group and R2 is hydrogen, a lower alkyl group having 1 to 4 C atoms or a benzyl group. A trialkylhydroquinone is cyclized with an aldehyde to form an acetal and the latter is pyrolized to produce the end product. The substituted vinylbenzenes are valuable intermediate products in the synthesis of antioxidants.

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