3-[(substituted-amino)(aryl or hetercaryl)-...

Details 3-[(substituted-amino)(aryl or hetercaryl)-... 3-[(substituted-amino)(aryl or hetercaryl)-...

B - Operations, Transporting

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42/14, 260/279,

B41M 5/323 (2006.01) B41M 5/136 (2006.01) C07D 209/14 (2006.01) C07D 403/06 (2006.01)

Patent

CA 1162191

ABSTRACT OF THE DISCLOSURE 3-[(Substituted-amino)(aryl or heteroaryl)methyl]-1H- indoles which are useful as color formers in pressure-sensitive carbonless dupllicating systems and thermal markling systems are prepared by reacting 3-[(arylsulfonyl)(aryl or heteroaryl)methyl]- 1H-indoles with amines or precursors thereof in the presence of a base.

372329

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