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2-Mono- and 2,5-bis[bis[(4-dimethylamino)phenyl]hydroxymethyl]-substituted furans, thiophenes andN-methylpyrroles: New color-formers for carbonless imaging

Alan R. Katritzky,Zhongxing Zhang,Hengyuan Lang,Nusrallah Jubran,Louis M. Leichter,Norman Sweeny

JOURNAL OF HETEROCYCLIC CHEMISTRY（1997）

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Abstract
2-Mono- and 2,5-bis[bis[(4-dimethylamino)phenyl] hydroxymethyl] substituted furan, thiophene and N-methylpyrrole were synthesized by mono- and dilithiation of furan, thiophene and N-methylpyrrole, respectively, and subsequent reaction with Michler's ketone. The title compounds develop black or dark-blue colors in acidic media.
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Key words
thiophenes,furans,25-bisbis4-dimethylaminophenylhydroxymethyl-substituted,phenyl]hydroxymethyl]-substituted,color-formers
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