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Preparing 7-chloro-6-fluoro-1-[4-methyl-2-(propan-2-yl)pyridin-3-yl]-1H,2H,3H,4H-pyrido[2,3-d]pyrimidine-2,4-dione, by e.g. cyclizing substituted heterocyclic compounds to provide 7-chloro-6-fluoro-1-[4-methyl-2-(propan-2-yl)pyridin-3-yl]-1H,2H,3H,4H-pyrido[2,3-d]pyrimidine-2,4-dione, and resolution
2023-08-28
