I. Rodriguez et al., DESIGN OF NEW ANTICANCER DRUGS - I - EASY HETARYNIC ACCESS TO DIHYDRODIPYRIDOPYAZINES, A NEW FAMILY OF ANTITUMOR AGENTS, Tetrahedron letters, 39(40), 1998, pp. 7283-7286
Unprecedented dihydrodipyridopyrazines were easily obtained by hetaryn
ic dimerization of 2-alkylamino-3-bromopyridines in the presence of th
e complex base NaNH2-tBuONa. A few chemical properties of these new he
terocycles are reported, as well as their antitumoral activity. (C) 19
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