3 [ (Substituted-amino) (aryl or heteroaryl)methyl]- 1H-indoles which are useful as color-formers in pressure-sensitive carbonless duplicating systems and thermal marking systems are prepared by reacting 3-[(arylsulfonyl) (aryl or heteroaryl(methyl]-1H-indoles with amines or precursors thereof in the presence of a base.
3-[(取代-
氨基)(芳基或杂芳基)甲基]-1H-
吲哚可用作压敏无碳复写系统和热敏打标系统中的
显色剂,其制备方法是将 3-[(芳基磺酰基)(芳基或杂芳基)甲基]-1H-
吲哚与胺或其前体在碱存在下进行反应。