Preparation of cumene through alkylation of an aromatic...

Details Preparation of cumene through alkylation of an aromatic... Preparation of cumene through alkylation of an aromatic...

C - Chemistry, Metallurgy

07

C

260/622.6

C07C 37/08 (2006.01) C07C 2/66 (2006.01) C07C 2/86 (2006.01) C07C 39/04 (2006.01) C07C 45/53 (2006.01) C07C 409/10 (2006.01)

Patent

CA 2003925

In a first form, a process is provided for preparing phenol by converting acetone by-produced by the cumene process into isopropanol, and alkylating benzene with the isopropanol and optional propylene, thereby forming phenol without acetone by-product. And cumene is prepared by alkylating benzene in the presence of a zeolite catalyst using isopropanol or a mixture of isopropanol and propylene as an alkylating agent. Further provided is the continuous alkylation of benzene with isopropanol wherein a reaction mixture is divided into first and second portions, with the first portion being recycled to the reactor and the second portion being taken out as a reaction product.

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