... Overall, we have developed a process for the one-pot synthesis of 2-phenyl-3 ... The organic layer was concentrated to an oil which crystallized upon standing and afforded 2 ... 3-aminopyridine (1) (130.4 g, 99%) having spectroscopic data identical to the procedure described above. ...
[Caron, Stephane; Massett, Steve S.; Bogle, David E.; Castaldi, Michael J.; Braish, Tamim F. Organic Process Research and Development, 2001 , vol. 5, # 3 p. 254 - 256]