Financial support from National Natural Science Foundation of China(Nos.21931013 and 22271105);Natural Science Foundation of Fujian Province(No.2022J02009);Open Research Fund of School of Chemistry and Chemical Engineering,Henan Normal University;the Instrumental Analysis Center of Huaqiao University for analysis support;the Subsidized Project for Cultivating Postgraduates’Innovative Ability in Scientific Research of Huaqiao University。
A practical method for the construction of difluoromethylene-containing 1,4-thiazine moieties using readily available diethyl bromodifluoromethanephosphonate(BrCF_(2)PO(OEt)_(2))as difluorocarbene precusor has been de...