| 摘要 |
The present invention relates to a process for the preparation of compounds of the formula (I) (see formula I) in which R1, A, D, X and Z have the meanings given in the description, by reacting compounds of the formula (II) (see formula II) in which A, D and X have the meanings given above, with a base and in the presence of a diluent, and subsequently reacting the reaction mixture with the mixture of CCMP/CMP (2-chloro-5-chloromethylpyridine/2-chloro-5-methylpyridine) and the corresponding hydrochlorides.
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