2-METHYLIDENE-1,3-INDANEDIONE DERIVATIVE, AND AROMATIC OR AROMATIC HETEROCYCLIC ALDEHYDE DERIVATIVE, AND PRODUCTION OF THESE DERIVATIVES

摘要

PURPOSE: To obtain a new compound useful as an electron transport material for photoreceptors to be used in electrophotographic system. ;CONSTITUTION: The objective compound is expressed by (A is a divalent aromatic group or a divalent aromatic heterocyclic group; R₁ and R₂ each an alkyl, an aromatic group or an aromatic heterocyclic group), e.g. a compound of formula II. The compound of formula I can be obtained by reaction between a compound of formula III and a compound of formula IV.;COPYRIGHT: (C)1995,JPO