Patent ID: 7019186
Filing Date: 2006-03-28
Classification: B01J,C07C,Y02P

Abstract:
1. A process for preparing 2,6-dimethylnaphthalene which comprises reacting a naphthalene hydrocarbon selected from the group consisting of naphthalene, methylnaphthalenes, dimethylnaphthalenes, trimethylnaphthalenes, tetramethylnaphthalenes, pentamethylnaphthalenes, hexamethylnaphthalenes and their mixtures with one or more benzene hydrocarbons selected from the group consisting of benzene, toluene, xylenes, trimethylbenzenes, tetramethylbenzenes, pentamethylbenzene and hexamethylbenzene, under at least partially liquid phase conditions and in the presence of a catalytic composition comprising a zeolite belonging to the MTW structural type and at least one element A selected from the group consisting of P, Si and B, optionally in the presence of a methylating agent.