New huruoran chemical compound, the production method and the record material null which uses the said

摘要

PURPOSE: To obtain a new compound useful as a recording material such as heat-sensitive recording material or pressure-sensitive recording material. ;CONSTITUTION: A compound of formula I [R₁ and R₂ are H, 1-20C alkyl, cycloalkyl, aralkyl or aryl; n is 1-20; R₃ is 1-4C alkyl, halogen or H; R₄ is H, 1-4C alkyl or acyl; R₅ is H, halogen, alkyl, nitro, (substituted) amino or acyl] such as 2-anilino-3methyl-3-methyl-6-(N-ethyl-N-2'-ethoxycarbonylethylamino) fluoran. The compound of formula I is obtained by reacting a compound of formula II with a compound of having III.;COPYRIGHT: (C)1994,JPO&Japio