Process for the monohalogenation of alkylbenzenes in the .alpha.

Details Process for the monohalogenation of alkylbenzenes in the .alpha. Process for the monohalogenation of alkylbenzenes in the .alpha.

1980-11-24

1982-05-25

Davis, Curtis R.

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

Organic compounds

Halogen containing

204158HA, C07C 1714

Patent

active

043318215

ABSTRACT:
A process for the monohalogenation of alkylbenzenes in the .alpha.-position is disclosed wherein an alkylbenzene reactant containing a hydrogen atom in the .alpha.-position is contacted with a halogen and the reaction mixture is withdrawn such that the amount of monohalogenated alkylbenzene formed is no greater than 33 mol percent in the reaction mixture. Also disclosed are novel monohalogenated alkylbenzenes of the formula ##STR1## in which R.sup.7 represents trifluoromethoxy, trifluoromethylthio or 2-perfluoropropyl or also, if R.sup.8 represents chlorine, represents trifluoromethyl and, furthermore, if

REFERENCES:
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patent: 3465051 (1969-09-01), Pecherer
patent: 3489784 (1970-01-01), Fellig et al.
patent: 3517056 (1970-06-01), DeGaetano
patent: 4092369 (1978-05-01), Gelfand

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