| 摘要 |
NEW MATERIAL:A compound shown by the formula I (R<1>-R<3> are H, or alkyl, or R<1> and R<2> may be linked to form aliphatic ring; R<4>-R<6> are H, or halogen). EXAPLE:A compound shown by the formula II. USE:For coloring low-molecular weight substances such as mineral oil, liquid crystal, etc., a dyestuff for coloring sheet, fibrous material, etc. consisting of natural synthetic high polymer substance such as cellulose, polyester, polystyrene, etc., and an intermediate for dye, and pigment. PREPARATION:For example, an ethylenediamine shown by the formula III is reacted with a naphthazarin derivative shown by the formula IV or V (X is halogen) preferably at -10-150 deg.C.
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