Haloethylation of aromatic hydrocarbons

Details Haloethylation of aromatic hydrocarbons Haloethylation of aromatic hydrocarbons

1989-10-10

1991-03-26

Lone, Werren B.

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

Organic compounds

Halogen containing

570195, C07C 1732

Patent

active

050031163

ABSTRACT:
A monoalkylaromatic hydrocarbon is haloethylated to a 1-halo-1-arylethane with minimal co-formation of diarylalkane by-product by reacting it with hydrogen chloride or bromide and acetaldehyde in the presence of sulfuric acid only until not more than about 60% of the monoalkylaromatic hydrocarbon has been converted.

REFERENCES:
patent: 2516971 (1950-08-01), Galitzenstein et al.
patent: 3006953 (1961-10-01), Grosskinsky et al.
patent: 3069480 (1962-12-01), Hirth et al.
patent: 3658923 (1972-04-01), Stapp
March, "Advanced Organic Chemistry", Second Ed. McGraw-Hill, N.Y., (1977), pp. 501-502.
"Friedel-Crafts and Related Reactions", vol. 2, Interscience Publishers, N.Y., (1963-1964), pp. 659-784.

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