Patent ID: 6147270
Filing Date: 2000-11-14
Classification: B01J,C01B,C07C

Abstract:
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, in the presence of a zeolite having a MTW structure which has cation ion sites and optionally in the presence of a methylating agent.