Process for the production of substituted vinylbenzenes

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

1993-04-08

1994-03-08

Chan, Nicky

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D31908

Patent

active

052927482

ABSTRACT:
A process for the production of substituted vinylbenzenes of the general formula: ##STR1## wherein R is a lower alkyl group having 1 to 4 C atoms, R.sub.1 is hydrogen or an acetyl group and R.sub.2 is hydrogen, a lower alkyl group having 1 to 4 C atoms or a benzyl group. A trialkylhydroquinone is cyclized with an aldehyde to an acetal and the latter is pyrolized to the end product. The substituted vinylbenzenes are valuable intermediate products in the synthesis of antioxidants.

REFERENCES:
patent: 5080886 (1992-01-01), Mickle et al.
Chem. Berichte, vol. 92, (1959), pp. 2958 to 2961.

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