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Solution and solid-state studies of 3,4-dichloro-2,5-diamidopyrroles: formation of an unusual anionic narcissistic
Salvatore Camiolo1, Philip A Gale, Michael B Hursthouse
1Department of Chemistry, University of Southampton, Southampton, UK SO17 1BJ.
Chemical Communications (Cambridge, England)
|July 18, 2002
Abstract:
3,4-Dichoro-1H-pyrrole-2,5-dicarboxylic acid bis-phenylamide 3 and 3,4-dichoro-1H-pyrrole-2,5-dicarboxylic acid bis-butylamide 4 have been prepared and shown to deprotonate in the presence of basic anions: the X-ray crystal structure of the tetrabutylammonium salt of 3-H+ reveals the formation of a dimer in the solid state.