Sergey A. Popov a; Alexey V. Tkachev SYNTHESIS OF 2-ALKYL AND 2-ARYL PYRIMIDINES FROM -CHLOROVINYL KETONES OF CYCLOPENTANONE TYPE. Synthetic Communications, Volume 31, Issue 2 January 2001 , pages 233 - 243
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http://dx.doi.org/10.1081/SCC-100000204