Mono-alkylation of naphthalene

Details Mono-alkylation of naphthalene Mono-alkylation of naphthalene

1975-02-19

1976-05-25

Gantz, Delbert E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260671B, 260671P, 260671R, C07C 354

Patent

active

039593991

ABSTRACT:
In the alkylation of naphthalene using an alkene reactant to produce monoalkyl naphthalene, the inhibition of polyalkyl and specially dialkyl naphthalenes by the use of a mixed protonic acid catalyst consisting of methane sulfonic acid and an active P.sub.2 O.sub.5 containing acid, utilized in about a 2:1 to 1:2 ratio with an optimum ratio of about 1:1. The reaction is carried out preferably under anhydrous conditions with respect to the mixed catalyst, and the products show present utility as emulsion breakers in petroleum chemistry as well as other surface active agents.

REFERENCES:
patent: 2006695 (1935-07-01), Ipatieff
patent: 2014766 (1935-09-01), Isham
patent: 2777007 (1957-01-01), Skinner et al.
patent: 3293315 (1966-12-01), Nixon

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