Abstract
Benzindole deriv. dyes of specified structure are lightfast and useful in thermal-transfer recording sheets giving clear images with optical d. Heating N-ethylbenz[cd]indole-2(1H)-one 16.9, malononitrile 6, and POCl3 19.4 g in PhMe gave the dye I. [on SciFinder(R)]
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APA
Ono, M., Yasui, S., Noguchi, A., Takiguchi, R., Eguchi, H., & Kafuku, Komei. (1992, April 2). Dyes for thermal transfer sheets. PCT Int. Appl. Dai Nippon Printing Co., Ltd., Japan .
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