C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/680.6
C07C 2/74 (2006.01) C07C 2/72 (2006.01) C07C 13/48 (2006.01)
Patent
CA 2008367
TITLE Process for Preparing Polyalkyl Tetrahydronaphthalenes ABSTRACT A process is disclosed for the production of polyalkyl tetrahydronaphthalenes where a cyclialkylatIon reaction between an olefinic compound of the general Formula Image , and a substituted benzene compound is carried out in the presence of a hydride abstracting reagent, a Lewis acid, and, optionally, a phase transfer agent. In some embodiments, the subject process is specifically carried out in the absence of elemental iodine. The subject process, which may be practiced in an unhalogenated hydrocarbon solvent, produces the desired compounds in a surprisingly high yield, with a surprisingly high selectivity to the desired product, and a relatively high rate of reaction, using better, more convenient or less expensive process methodology than many processes known heretofore.
Borden Ladner Gervais Llp
Frank Walter C.
Union Camp Corporation
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