Synthesis of 3-Substituted Pyrazolo[1, 5-a]pyridine Derivatives with Inhibitory Activity on Platelet Aggregation. I

3-Nicotinoylpyrazolo[1, 5-a]pyridines were synthesized by the raation of 3-unsubstituted pyrazolo[1, 5-a]pyridines with nicotinoyl chloride hydrochloride. Tetrahydronicotinoyl derivatives were obtained by hydrogenation of the nicotinoyl derivatives. Furthermore, N-substituted derivatives were synthe...

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