Spiro-naphtho-oxazine compound and photosensitive materials usin

Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen in the nitrogen containing substituent

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252586, 359885, 544 586, C07D41314, C07D41304

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active

056418841

ABSTRACT:
A spiro-naphtho-oxaine compound having a specific substituent providing red color development which has been unknown in the past, and photosensitive materials containing the compound. Since the compound is superior in fatigue resistance and has a sufficient red color developing density, it is used in plastic articles, optical filters, recording materials, textiles, decoration materials, and toys, which change in color by light irradiation to develop a magenta color.

REFERENCES:
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patent: 5180524 (1993-01-01), Casilli et al.
Rickwood et al., Chemical Abstracts 121:257,914, 1994.
Nakamura et al, Chemical Abstracts 121:217,745, 1994.
Yamamoto et al., Chemical Abstracts 120:285,117, 1994.
Malatesta et al., Chemical Abstracts 117:251,299, 1992.
Yamamoto et al, Chemical Abstracts, 117:140,752, 1992.
Murayama et al., Chemical Abstracts, 116:83,683, 1992.
Rickwood et al., Chemical Abstracts 109:14,836, 1988.
Malatesta et al, Magnetic Resonance in Chemistry, 30, 905-913, 1992.

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