Patent ID: 9567278
Date: 2017-02-14
CPC Classifications: C07C

Claim:
1. A process comprising: A) adding to a reactor an alkylbenzene, aluminum halide, and at least one aliphatic hydrocarbon solvent having in a range of 3 to 15 carbons; B) cooling contents of the reactor to one or more temperatures in a range of 0 to −50° C.; C) adding to the reactor an amount of hydrogen halide acid sufficient to charge the reactor to a pressure in a range of about 25 psig to about 200 psig; D) adding to the reactor an amount of carbon monoxide sufficient to charge the reactor to a pressure in a range of about 200 psig to about 2000 psig; and E) maintaining a reaction temperature at one or more temperatures in a range of about −50° C. to about 20° C.; thereby synthesizing a 4-alkylbenzaldehyde.