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US5110968A Naphthalocyanine derivatives, production thereof, optical recording medium using the same, and production thereof 失效
萘甲酰胺衍生物,其生产方法,使用其的光学记录介质及其生产

Naphthalocyanine derivatives, production thereof, optical recording
medium using the same, and production thereof
摘要:
A naphthalocyanine derivative having as substituents at least one group of a formula: SR.sup.1 wherein R.sup.1 is --(CR.sup.2 R.sup.3).sub.x SiR.sup.4 R.sup.5 R.sup.6, in which R.sup.2 to R.sup.6 are H, alkyl groups, etc. is excellent in solubility in saturated hydrocarbon solvents and in absorption of semiconductor laser lights and thus, is suitable for producing optical recording media.
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