Novel synthesis approach and antiplatelet activity evaluation of 6-alkylamino-2,4-dialkyl(aryl)thiopyrimidines

Add time:07/27/2019    Source:sciencedirect.com

A new and efficient procedure has been designed for the preparation of 6-alkylamino-2,4-dialkyl(aryl)thiopyrimidines. The first alkylthio group was introduced into the pyrimidine ring by S-alkylation. The introduction of the second one was successfully achieved using the diazotization–alkylthionation method to afford 2,4-dialkyl(aryl)thio-6-chloropyrimidines. Subsequent nucleophilic displacement by the corresponding amines conveniently gave a series of the target compounds. Thus, the two same or different alkylthio groups were easily introduced into the pyrimidine ring through the two different approaches. The human anti-platelet aggregation activity of the newly synthesized compounds is also described.

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