Base-Promoted Vinyl Carbon-Bromine Bond Cleavage by Group 9 Metalloporphyrin Complexes
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AbstractBase-promoted vinyl carbon-bromine bond cleavage of styryl bromide by group 9 metalloporphyrin complexes was achieved to give the metal(III) porphyrin styryls M(ttp)(styryl) (ttp = 5,10,15,20-tetra:p-tolylporphyrinato dianion). Mechanistic studies suggest that [M-II(ttp)](2) (M = Rh, Ir) cleaves the vinyl C-Br bond via an addition-elimination mechanism. The much less reactive Co-II(ttp) undergoes a radical recombination with styryl radical which is generated by the hydroxide reduction of styryl bromide to give a radical anion with subsequent C-Br cleavage.
All Author(s) ListWong KL, Chen C, Chan KS
Journal nameOrganometallics
Year2016
Month6
Day13
Volume Number35
Issue Number11
PublisherAMER CHEMICAL SOC
Pages1847 - 1853
ISSN0276-7333
eISSN1520-6041
LanguagesEnglish-United Kingdom
Web of Science Subject CategoriesChemistry; Chemistry, Inorganic & Nuclear; Chemistry, Organic

Last updated on 2020-24-10 at 03:07