发明名称 Indole color former
摘要 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.
申请公布号 US4283077(A) 申请公布日期 1981.08.11
申请号 US19800127649 申请日期 1980.03.06
申请人 STERLING DRUG INC. 发明人 SCHMIDT, PAUL J.;HUNG, WILLIAM M.
分类号 B41M5/136;B41M5/323;C07D209/12;C07D401/06;C07D403/06;C07D405/06;C07D409/06;(IPC1-7):B41M5/16;B41M5/18;B41M5/22 主分类号 B41M5/136
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