Synthesis for organometallic cyclometallated transition...

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

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C549S003000, C556S040000, C556S041000, C556S136000, C257S040000, C428S690000

Reexamination Certificate

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06870054

ABSTRACT:
Disclosed is a process for forming an organometallic cyclometallated iridium compound comprising reacting an iridium halide complex with a silver salt and excess organic cyclometallating ligand in a diol solvent. The process provides better yields and control of desired isomers.

REFERENCES:
patent: 6670645 (2003-12-01), Grushin et al.
patent: 20020190250 (2002-12-01), Grushin et al.
patent: 20030068526 (2003-04-01), Kamatani et al.
patent: 20030096138 (2003-05-01), Lecloux et al.
patent: WO 02060910 (2002-08-01), None
Constable et al., Inorganica Chemica Acta, vol. 235, No. 1-2, pp. 165-171 (1995).

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