TANDEM TRANSFORMATIONS OF 10-SUBSTITUTED TETRAHYDROBENZO[B][1,6] NAPHTHYRIDINES RESULTED FROM THE MICHAEL ADDITION OF THE NITROGEN ATOM OF THE TETRAHYDROPYRIDINE FRAGMENT TO THE TRIPLE BOND OF ACTIVATED ALKYNES Article Voskressensky L.G., Borisova T.N., Vorob'Ev I.V., Postika N.M., Sorokina E.A., Varlamov A.V. Russian Chemical Bulletin. Vol. 57. 2008. P. 1547-1558
