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MESOIONIC COMPOUNDS WITH A BRIDGE NITROGEN ATOM. 9. IMIDAZOTHIAZOLES
Mikitenko, E. K.,Romanov, N. N.
, p. 29 - 33 (2007/10/02)
5-Methylthio-2-oxo-2,3-dihydro-1H-imidazothiazolium salts readily react with 3-ethylrhodanine, p-dimethylaminobenzaldehyde, and 3-ethyl-2-methylbenzothiazolium tosylate with the formation of polymethine dyes, including dyes with a mesoionic structure.Reaction with acetic anhydride has given acetyl-substituted imidazothiazolium 2-oxides.
