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US 4,301,316 AGranted
Preparing phenylalkanes
AssigneeMobil Oil Corporation
InventorLewis B. Young
Life of this patent
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Abstract
A process for the selective alkylation of substituted or unsubstituted benzene compounds with relatively long chain length alkylating agents to produce phenylalkanes having an improved yield of the more external phenyl isomers. The reaction is carried out in the presence of crystalline zeolite catalysts, such as ZSM-4, ZSM-20, ZSM-38, mazzite, Linde Type L and zeolite Beta.
Claims11
A process for the selective alkylation of aromatic compounds with relatively long chain length alkylating agents to selectively produce 2-phenylalkanes;
- said alkylating agents comprising aliphatic or aromatic organic compounds having one or more available reactive alkyl groups of at least five carbons in the hydrocarbon chain;
- said process comprising contacting said aromatic compound with said alkylating agent in the presence of a crystalline zeolite catalyst, at a temperature of between about 50.degree. C. and about 500.degree. C. and a pressure withn the approximate range of 2.5.times.10.sup.4 N/m.sup.2 to 2.5.times.10.sup.7 N/m.sup.2 ;
- said crystalline zeolite catalyst being chosen from the group consisting of:
- mazzite, zeolite Beta, ZSM-20, ZSM-38 and synthetic and naturally occurring isotypes thereof.
1 more element
Dependencies are inferred from the claim text.