TRANSFORMATIONS OF TETRAHYDRO-PYRIDO[4,3-D]PYRIMIDINES [B]-CONDENSED WITH ISOXAZOLE, THIAZOLE, THIADIAZOLE, AND TRIAZOLE UNITS UNDER THE ACTION OF ACTIVATED ALKYNES ArticleVoskressensky L.G., Borisova T.N., Ovcharov M.V., Kulikova L.N., Sorokina E.A., Borisov R.S., Varlamov A.V.Chemistry of Heterocyclic Compounds. Том 44. 2008. С. 1510-1519
