PROCESS FOR THE PREPARATION OF QUINONE DERIVATIVES

摘要

A compound of the formula …… wherein R stands for an alkyl group having 1 to 22 carbon atoms and having at its terminal end a hydroxyl group which may be protected can be obtained with an industrial advantage by allowing a compound representable by the formula; …… to react with a peroxide of a carboxylic acid representable by the formula;… RCOOH… wherein R is of the same meaning as defined above, or with a peroxide of an acid anhydride of the carboxylic acid. …A compound of the formula; …… wherein R<2> stands for an alkyl group having 1 to 2 carbon atoms and having at its terminal end an optionally protected hydroxyl group, is a novel compound and has antifibrotic activity.