Aminium salt compound and optical recording medium

Details Aminium salt compound and optical recording medium Aminium salt compound and optical recording medium

1992-12-29

1997-02-25

Ryan, Patrick J.

Stock material or miscellaneous articles

Circular sheet or circular blank

Recording medium or carrier

428913, 43027016, 430945, 3461351, 347264, B32B 300

Patent

active

056057326

ABSTRACT:
An aminium salt compound has the structure expressed by the following formula (I) or (II), and an optical recording layer has a recording layer containing the aminium salt compound. ##STR1## wherein X.sup.- indicates a monovalent metal complex anion; and R.sub.1 through R.sub.8 each indicate a hydrogen atom or a monovalent organic residue, and at least one of R.sub.1 through R.sub.8 is a monovalent organic residue selected from the group consisting of a substituted or unsubstituted alkoxyalkyl group, substituted or unsubstituted alkenyl group, substituted or unsubstituted alkynyl group and substituted or unsubstituted aralkyl group; and n is 1 or 2; and ##STR2## wherein X.sup.- indicates a monovalent metal complex anion; and R.sub.1 ' through R.sub.8 ' indicate the atoms that, when taken together in combination R.sub.m ' and R.sub.m+1 ' (m=1, 3, 5 or 7) with a nitrogen atom N, at least one of such combinations forms a substituted or unsubstituted five-membered ring, substituted or unsubstituted six-membered ring or substituted or unsubstituted seven-membered ring; and n is 1 or 2.

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Schrauzer et al., "Preparation, Reactions, and Structure of Bisdithio-.alpha.-diketone Complexes of Nickel, Palladium, and Platinum", 87 J. of Amer. Chem. Soc. 1415-2778 (1965).

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