3-[(AlkoXy) (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 alcohols in the presence of a base.
3-[(AlkoXy) (芳基或杂芳基)甲基]-1H-
吲哚可用作压敏无碳复写系统和热打标系统中的
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-
吲哚与醇在碱存在下反应。