Amoco Corporation

Standard Oil Company (Indiana)

Thomas E Nemo

Carl A Udovich

Gary P Hagen

Thomas G Smith

E William Breder, Jr

Mark W Meszaros

Ibrahim Ghanayem

A process is provided for transaralkylating a class of starting compounds comprised of aryl-substituted lower alkanes and aryl-substituted fused alkylene ring compounds to produce derivatives of such compounds wherein benzyl substituents thereof have different alkyl substituents compared to the starting compounds. The process is carried out by admixing such a starting compound with a lower alkyl-substituted aromatic compound under liquid phase conditions in the presence of a catalytically effective amount of a Friedel-Crafts catalyst. The process makes possible new and economical routes for synthesizing desired lower alkyl-substituted benzyl group containing compounds, such as 2,2-di(lower alkyl-substituted) phenyl propanes and 1,3,3-trimethyl-1-(lower alkyl-substituted)-phenyl indans. Thus, there is provided a three-step process for making dixylylpropane from alpha methyl styrene and also a two-step process for making 1,3,3,6-tetramethyl-1-o-xylyl indan from alpha-4-dimethyl styrene. Provided also is a process for preparing 3,3',4,4'-dixylylmethane from a mixture of isomeric dixylylmethanes.

Aromatic transformation process

A method for the highly selective production of 2,6-diethylnaphthalene involving the use of a specific Lewis acid catalyst and a highly regiospecific ethylating agent.

Selective production of 2,6-diethylnaphthalene

An ashless two-stroke cycle additive is prepared by condensing isostearic acid and tetraethylenepentamine. The additive maintains excellent engine cleanliness and has excellent low-temperature storage stability in a lubricant composition.

Detergent lubricant compositions

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Naperville, IL, United States of America

Thomas E Nemo