| abstract |
The present invention provides an optical information-recording medium capable of recording and reproducing information with laser beams and having excellent recording characteristics, the optical information-recording medium comprising a support and a recording layer capable of recording information by laser beam exposure, wherein the recording layer contains a dye represented by the following formula (I): n nwherein R 1 , R 2 , R 3 and R 4 each independently represents a hydrogen atom or a substituent; B 1 and B 2 represent ═CR 5 — and —CR 6 ═ respectively, or one of B 1 and B 2 represents a nitrogen atom and the other represents ═CR 5 — or —CR 6 ═; R 5 and R 6 each independently represents a hydrogen atom or a substituent; Q 1 represents a substituted or unsubstituted arylene group, or a substituted or unsubstituted divalent heterocyclic group; and Q 2 represents a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group. |