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- W2358268373 abstract "Chloroethyl)amino-1,3-dimethylpyrimidinedione(7), as a key intermediate, was prepared in three steps by condensation of N,N′-dimethylurea successively with cyanoacetic acid and ethanolamine, and then chlorination with thionyl chloride. Nifekalant hydrochloride, an antiarrhythmic drug, was synthesized by amination of 7 with N-(2-hydroxylethyl)-3-(4-nitrophenyl)propylamine, the total yield could reach up to 48.0%. The structure of nifekalant hydrochloride was confirmed by NMR and MS." @default.
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- W2358268373 date "2004-01-01" @default.
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- W2358268373 title "Synthesis of Nifekalant Hydrochloride" @default.
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