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.
Aldehyde or ketone 0-[(3-indolyl)(aryl or heteroaryl)methyl]oximes 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 aldehyde or ketone oximes in the presence of a base.
Indoles, process for preparing them and duplicating or marking systems containing them
申请人:STERLING DRUG INC.
公开号:EP0035774A2
公开(公告)日:1981-09-16
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.
Substituted oximes, process for preparing them and duplicating and marking systems
申请人:STERLING DRUG INC.
公开号:EP0035773A2
公开(公告)日:1981-09-16
Aldehyde or ketone 0-[(3-indolyl) (aryl or heteroaryl)-methyl]oximes 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 aldehyde or ketone oximes in the presence of a base.
Substituted 1H-indoles, process for their preparation and duplicating and marking systems comprising them
申请人:STERLING DRUG INC.
公开号:EP0035775A2
公开(公告)日:1981-09-16
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.