Process for producing 4-ring-substituted phenyl lower alkyl keto

Details Process for producing 4-ring-substituted phenyl lower alkyl keto Process for producing 4-ring-substituted phenyl lower alkyl keto

1986-03-27

1987-12-22

Reamer, James H.

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

Organic compounds

Oxygen containing

C07C 4546

Patent

active

047147814

ABSTRACT:
The production of a 4-lower alkyl or 4-phenyl ring-substituted phenyl lower alkyl ketone, e.g. 4-methylacetophenone, 4-ethylacetophenone or 4-phenylacetophenone, is carried out by reacting a lower alkyl- or phenyl-substituted benzene, e.g. toluene, ethylbenzene, or biphenyl, with a lower alkanoic acid, e.g. acetic acid, at an elevated temperature in the presence of a medium pore, pentasil-type molecular sieve, e.g. an H-ZSM-5 zeolite, a silicalite or an AMS-1B borosilicate, as catalyst.

REFERENCES:
patent: 3354221 (1967-11-01), Landis
patent: 3702886 (1973-08-01), Argauer
patent: 4061724 (1978-09-01), Grose et al.
patent: 4285919 (1981-07-01), Klotz
Olah, "Freidel-Crafts and Related Reactions", vol. III, pp. 36-49 (1964).

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