| abstract |
In the present invention, R 1 is -OR ', -NR'R ", -SR', wherein R 'and R" are H, an alkyl group or an aromatic group, R 2 is H or a protecting group and R 3 is -OH or Preparing a 1-aminoanthraquinone derivative by treating diphenylketone represented by the following formula (2), which is an alkyl group having 1 to 4 carbon atoms, with an acid or super acid, diazotization step, substituting an amino group with a hydroxy group, It provides a method for producing a lane, diaslane and other diacyl derivatives, characterized in that it comprises a step of removing and acylation of a protecting group which may be included accordingly.n n n <Formula 2> |