| 摘要 |
<p>A phthalocyanine compound of formula (1): <CHEM> wherein figures 1 to 16 around the phthalocyanine skeleton indicate the positions of carbon atoms, an oxygen atom is bonded to the carbon atom with position 1 or 4, to the carbon with position 5 or 8, to the carbon atom with position 9 or 12, and to the carbon atom with position 13 or 16, R<1> is a fluorine-atom substituted alkyl group, R<2> is an unsubstituted phenyl group or an alkyl-group-substituted phenyl group, R<3> is an unsubstituted alkyl group, a fluorine-atom substituted alkyl group or a hydrogen atom, and M represents VO or TiO and their use as rewritable optical recording material.</p> |
