Process for preparing substituted 5-fluoro-1H-pyrazolopyridines

摘要

The present application relates to a novel and efficient process for preparing novel substituted 5-fluoro-1H-pyrazolopyridines of the formula (VI);;which are suitable as an intermediate for production of medicaments and for production of medicaments for treatment and/or prophylaxis of cardiovascular disorders. More particularly, the 5-fluoro-1H-pyrazolopyridines of the formula (VI) are suitable for preparation of the compound of the formula (I);;which serves for production of medicaments, for production of medicaments for treatment and/or prophylaxis of cardiovascular disorders.

主权项

1. A process for preparing compounds of formula (VI), comprising: reacting a compound of formula (V) with an ester of formula (IVa) in which T1 is (C1-C4)-alkyl with formamide.