Domino-reactions of 1,2-benzoxathiin-4(3H)-one 2,2-dioxide, hetarenecarbaldehydes and active methylene nitriles in the construction of new 2-amino-4H-pyrans and the study of their antimicrobial properties - G. V. Grygoriv; D. A. Lega; V. P. Chernykh; T. P. Osolodchenko; L. A. Shemchuk (Journal of organic and pharmaceutical chemistry, 2018)