Elegant Approach to the
Synthesis of a Unique Heteroleptic
Cyclometalated Iridium(III)-Polyoxometalate Conjugate
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Abstract
A novel heteroleptic cyclometalated iridium(III) complex
with one
picolinic acid derivative bearing a pendant terminal alkynyl tether
has been prepared following a new synthetic route. This pendant alkynyl
tether can be further engaged in palladium C–C coupling reactions,
allowing its grafting to a Keggin-type polyoxometalate and thus providing
a unique iridio-POM conjugate