Process for preparing N-substituted 1H-pyrazole-5-carboxylic acid compounds and derivatives thereof
The present invention relates to a process for preparing N-substituted 1 H-pyrazole-5-carboxylic acid compounds of the formula l-A and derivatives thereof, in particular the corresponding carbonylchloride compounds (acid chlorides). It also relates to the use of these acid chlorides for preparing an...
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