| 摘要 |
<p>1. Process for the manufacture of compounds of the general formula see diagramm : EP0014454,P15,F1 wherein X and Y each signify hydrogen, halogen with an atomic number of at most 35 or trifluoromethyl and n signifies 0 or 1, characterized by treating a compound of the general formula see diagramm : EP0014454,P15,F2 wherein X and Y have the above significance and Z signifies a hydroxyamino, an amino or a protected amino group, under acidic conditions with a mercury (II) salt or in the presence of water with a strong acid, where Z is a protected amino group cleaving off the protecting group and, where a compound of formula I wherein n is 0 is obtained, if desired oxidizing this compound to a compound of formula I wherein n is 1.</p> |
