Deprotonated diaminocarbene platinum complexes for thermoresponsive luminescent silicone materials: both catalysts and luminophores†
Mikhail V.
Dobrynin, 
a
Sergey V.
Baykov,
a
Nikita S.
Antonov,
a
Alexander S.
Mikherdov,
a
Vadim P.
Boyarskiy
*a
and
Regina M.
Islamova
*a
a
Sergey V.
Baykov,
a
Nikita S.
Antonov,
a
Alexander S.
Mikherdov,
a
Vadim P.
Boyarskiy
*a
and
Regina M.
Islamova
*a
Abstract
C,N-Chelate deprotonated diaminocarbene platinum(II) complexes were synthesized by coupling coordinated isocyanides and azinyl-substituted ureas. The complexes act as catalysts of α,ω-divinylpolydimethylsiloxane and poly(dimethylsiloxane-co-methylhydrosiloxane) hydrosilylation cross-linking. Silicone rubbers obtained with (aminoisoquinoline)-containing complex 3d exhibit temperature-responsive luminescence. Their emission changes irreversibly when heated from 80–100 °C (green radiation) to 120 °C or more (blue radiation).
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