NOVEL NAPHTHOL DERIVATIVE COMPOUND AND ITS PREPARATION

    公开(公告)号:JPS5988449A

    公开(公告)日:1984-05-22

    申请号:JP19844382

    申请日:1982-11-12

    申请人: RICOH KK

    发明人: HASHIMOTO MITSURU

    摘要: NEW MATERIAL:The compound of formula I (R1 and R2 are H, lower alkyl such as methyl, ethyl, etc., aromatic group such as phenyl, naphthyl, anthryl, pyrenyl, etc., aralkyl such as benzyl, etc., or heterocyclic group such as thienyl, pyridyl, carbazolyl, etc.; or R1 and R2 together form a ring). USE:Useful as a preparation raw material of an azo compound, which is useful as a charge-generating raw material used in the charge generation layer of a photo-sensitive material in electrophotography. PROCESS:The compound of formula I can be prepared by reacting 2-hydroxy-3- naphthoic acid hydrazide of formula II with the compound of formula III in a solvent such as methanol, dioxane, etc. at a temperature between room temperature and the refluxing temperature of the solvent for 5min-3hr.