Process for the preparation of substituted vinylbenzyl chloride

Details Process for the preparation of substituted vinylbenzyl chloride Process for the preparation of substituted vinylbenzyl chloride

1974-07-01

1976-06-08

Horwitz, D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260651HA, 260465G, 260515A, C07C 2524, C07C 1714

Patent

active

039623572

ABSTRACT:
An improved continous single step vapor phase process for the preparation of substituted vinylbenzyl chloride from substituted ethyltoluene is disclosed. In this process a substituted ethyltoluene is reacted with a halogen gas in the vapor phase, at elevated temperatures via a continuous feed process. Furthermore, this process achieves halogenation followed by dehydrohalogenation in a single pass through the reactor. There is also obtained a very high total selectivity to vinylbenzyl chloride and its precursors via this continuous process.

REFERENCES:
patent: 2780604 (1957-02-01), Clarke et al.
patent: 2981758 (1961-04-01), Hoffenberg
patent: 3560580 (1971-02-01), Burk

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