| 摘要 |
<p>PURPOSE:To industrially synthesize a large amount of 5,6-dimethyl-1,2- dihydroacenaphthylene at a low cost. CONSTITUTION:1,4,5,8-Tetramethyltetralin or 1,4,5,8-tetramethylnaphthalene or both are subjected to cyclodehydrogenating treatment in the presence of a Pt-containing catalyst to produce the objective 5,6-dimethyl-1,2- dihydroacenaphthylene.</p> |
