Transformation of 3-Nitroanilines into Dioxoisothiazolo[5,4,3-k,l]acridines
作者:Zbigniew Wróbel
DOI:10.1055/s-2001-18764
日期:——
N-Methyl-N-3-nitroaryl benzyl sulfonamides on treatment with t-BuMe2SiCl in the presence of DBU formed silylated oxime derivatives which were photocyclized to the dioxoisothiazolo[5,4,3-k,l]acridine systems. In one example the latter was converted to pyridoacridine derivative.