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2‐Mono‐ and 2,5‐bis[bis[(4‐dimethylamino)phenyl]hydroxymethyl]‐substituted furans, thiophenes and N ‐methylpyrroles: New color‐formers for carbonless imaging
Author(s) -
Katritzky Alan R.,
Zhang Zhongxing,
Lang Hengyuan,
Jubran Nusrallah,
Leichter Louis M.,
Sweeny Norman
Publication year - 1997
Publication title -
journal of heterocyclic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.321
H-Index - 59
eISSN - 1943-5193
pISSN - 0022-152X
DOI - 10.1002/jhet.5570340236
Subject(s) - chemistry , furan , thiophene , hydroxymethyl , ketone , medicinal chemistry , organic chemistry
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.