Example 1
A mixture of about 2 g of para-cymene and 0.1 g of anhydrous aluminum chloride was heated to 60° C. for 5 hours. At the end of 5 hours, the reaction mixture was quenched with water and the resulting organic layer was analyzed by GC and GCMS. The product showed a mixture of cymene isomers (67.6%), toluene (10.8%) and methyl di-isopropyl benzene isomers (20.8%). Para-cymene has a by of 177.10° C.; meta-cymene has a bp of 175.14° C.; and ortho-cymene has a bp of 178.15° C.
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