| 简介 |
PROBLEM TO BE SOLVED : To provide a rare earth metal complex having extremely high luminescence intensity and emitting circularly-polarized light.
SOLUTION : The optically active rare earth metal complex (1) is expressed by general formula (1) (X1 and X2 are each independently hydrogen atom, a halogen atom, a 1-4C alkyl or a 1-4C alkoxy; Y1, Y2, Y3 and Y4 are each independently hydrogen atom, a halogen atom or a 1-4C alkyl; R1 is a 1-8C alkyl, a 1-8C fluorine-substituted alkyl or phenyl; and R2 is (a) cyclopentadienyl group or the like; (b) phenyl group or the like or (c) naphthyl group or the like). |
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