The use of aliphatic aldehydes in the synthesis of new pyran annulated derivatives of 1H-2,1-benzothiazin-4-one 2,2-dioxide via domino-type interactions. The antimicrobial activity of the compounds synthesized - D. A. Lega; N. I. Filimonova; O. G. Geyderikh; V. P. Chernykh; L. A. Shemchuk (Journal of organic and pharmaceutical chemistry, 2016)