Abstract:cis/trans Isomerism
can be a
crucial factor for photophysical properties. Here, we report the synthesis
and optical properties of a series of trans- and cis-alkynyl/isocyanide cycloplatinated compounds [Pt(C∧N)(CCR)(CNBu
t
)]
[R = C6H4-4-OMe 1, 3-C4H3S 2; C∧N = 2-(2,4-difluorophenyl)pyridine
(dfppy) (a), 4-(2-pyridyl)benzaldehyde (ppy-CHO) (b)]. The trans-forms do not isomerize thermally
in MeCN solution to the cis forms, but upon photochemical
irradiation in this medium at 298 K, a variable isomerizatio… Show more
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