| 摘要 |
1492255 Preparation ofα-chloroanthraquinones BAYER AG 14 May 1976 [17 May 1975] 20009/76 Heading C2C The invention comprises a process for the preparation ofα-chloroanthraquinones by reaction of the correspondingα-nitroanthraquinones with an ionic chloride in a solvent and in the presence of an acid or a compound which eliminates an acid, under the reaction conditions, at elevated temperatures.
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