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Synlett 2001; 2001(12): 1927-1928
DOI: 10.1055/s-2001-18764
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Transformation of 3-Nitroanilines into Dioxoisothiazolo[5,4,3-k,l]acridines

Zbigniew Wróbel*
  • *Institute of Organic Chemistry, Polish Academy of Sciences, ul. Kasprzaka 44/52, 01-224 Warsaw, Poland; Fax: + 48(22)6326681; E-mail: wrobel@icho.edu.pl
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Publication Date:
04 December 2001 (online)

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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.

benzyl nitroarylsulfonamides - cyclization - silylation - nucleophilic aromatic substitution - photochemistry