| 摘要 |
An asymmetric bis(indolestyryl) compound. The asymmetric bis(indolestyryl) compound has formula (I): wherein A and B comprise benzene, naphthalene, or heterocyclic ring containing O, S, or N, R1 and R1' are H, halogen atoms, C<SUB>1-5 </SUB>alkyl, nitro, ester, carboxyl, sulfo, C<SUB>1-3 </SUB>alkoxy, amine, alkylamine, cyano, C<SUB>1-6 </SUB>alkylsulfonyl, or C<SUB>2-7 </SUB>alkoxy carbonyl, R<SUB>2</SUB>, R<SUB>2</SUB>', R<SUB>3</SUB>, and R<SUB>3</SUB>' comprise H, C<SUB>1-6 </SUB>alkyl, C<SUB>6-18 </SUB>aryl, C<SUB>2-6 </SUB>alkenyl, C<SUB>3-6 </SUB>cycloalkenyl, or C<SUB>3-6 </SUB>cycloalkyl, or C<SUB>3-6 </SUB>cycloalkyl containing hetero atom, R<SUB>4 </SUB>is H, hydroxyl, halogen atoms, or alkoxy, R<SUB>5 </SUB>and R<SUB>5</SUB><SUP>1 </SUP>comprise H, halogen atoms, C<SUB>1-5 </SUB>alkyl, nitro, C<SUB>1-3 </SUB>alkoxy, amine, cyano, C<SUB>1-6 </SUB>alkylsulfonyl, or C<SUB>2-7 </SUB>alkoxy carbonyl, n is 1~18, Y is C(R<SUB>6</SUB>R<SUB>7</SUB>), C<SUB>1-3 </SUB>alkylamino or hetero atom, R<SUB>6 </SUB>and R<SUB>7 </SUB>are C<SUB>1-3 </SUB>alkyl, and Z<SUP>-</SUP> is an anion or an anionic organometallic complex. The invention also provides a high density recording medium utilizing the asymmetric bis(indolestyryl) compound.
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