Key points are not available for this paper at this time.
2-chloropyrimidine, 2-chloro- and 2-bromo-4,6-dimethylpyrimidines, 2-chloro- and 2-bromo-4,6-diphenylpyrimidines have been dimerized to the corresponding 2,2'-bipyrimidines in good yields by Tiecco's method using NiCl2, triphenylphosphine and zinc in DMF.
Nasielski et al. (Mon,) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: