Preparation of 9,10‐Dimethoxyphenanthrene and 3,6‐Diacetyl‐9,10‐Dimethoxyphenanthrene

Abstract
9, 10‐Phenanthrenedione 9, 10‐Dimethoxyphenanthrene Tetrabutylammonium bromide Sodium dithionite Dimethyl sulfate Acetyl chloride Aluminum chloride 3, 6‐Diacetyl‐9, 10‐dimethoxyphenanthrene