Pyrimidine derivatives R 0510Ni-Alkylated 3,4-Dihydropyrimidine-2(1H)-ones: Convenient One-Pot Selective Synthesis and Evaluation of Their Calcium Channel Blocking Activity. -Optimal reaction conditions are found for the selective N1-alkylation of dihydropyrimidinones (I) using a phase transfer catalyst. All compounds synthesized demonstrate only low calcium channel blocking activity. -(SINGH*, K.; ARORA, D.; POREMSKY, E.; LOWERY, J.; MORELAND, R. S.; Eur.
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