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Inne
Catalytic activity of a half-sandwich Ru(II)-N-heterocyclic carbene complex in the oligomerization of alkynes.
Autorzy
Rok wydania
2006
Czasopismo
Journal of Organometallic Chemistry
Numer woluminu
691
Strony
3371-3376
DOI
10.1016/j.jorganchem.2006.04.019
Kolekcja
Język
Angielski
Typ publikacji
Artykuł
The ruthenium(II)-N-heterocyclic carbene complex, [RuCl2(1-butyl-3-methylimidazol-2-ylidene)(p-cymene)] selectively catalyzes oligomerization of phenylacetylene (PA) and its derivatives to linear oligomers, containing positively charged imidazolium end-group and uncharged ones. The charged oligomer chain consists of maximum 9–11 PA monomer units after 36 h reaction at 80 °C whereas mainly pentamers are formed as other products. The H2 atmosphere retards oligomerization of PA and hydrogenation to vinylbenzene and ethylbenzene is observed instead.
Słowa kluczowe
Ruthenium(II), N-heterocyclic carbene, Phenylacetylene, Alkyne, Oligomerization
Adres publiczny
https://doi.org/10.1016/j.jorganchem.2006.04.019
Strona internetowa wydawcy
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