METHODS OF MAKING BIS-TRIDENTATE CARBENE COMPLEXES OF RUTHENIUM AND OSMIUM
First Claim
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1. A method of making a metal complex having the formula I:
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Q1-M-Q2 comprising mixing a salt of formula MX2Ln with precursors of carbenes Q1 and Q2, wherein Q1 and Q2 are independently selected from a compound of formula II,
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Abstract
Methods of making bis-tridentate carbene complexes of ruthenium and osmium are provided. The use of DMSO solvates of ruthenium(II) and osmium(II) halide salts provides good yields of the corresponding complexes. These materials may be used in OLEDs to provide devices having improved performance.
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14 Claims
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1. A method of making a metal complex having the formula I:
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Q1-M-Q2comprising mixing a salt of formula MX2Ln with precursors of carbenes Q1 and Q2, wherein Q1 and Q2 are independently selected from a compound of formula II, - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A compound selected from the group consisting of:
Specification