TY - JOUR
T1 - The mechanistic role of η2-vinyl complexes in metal-promoted alkyne Oligomerisations. The crystal and molecular structures of [W{η5-C(CF3)=...
AU - Carlton, Laurence
AU - Davidson, Jack L.
AU - Ewing, Paul
AU - Manojlović-Muir, Ljubica
AU - Muir, Kenneth W.
PY - 1985
Y1 - 1985
N2 - full title: The mechanistic role of ?2-vinyl complexes in metal-promoted alkyne Oligomerisations. The crystal and molecular structures of [W{?5-C(CF3)= C(CF3)C(CO 2Me)=C(CO2Me)C(CF3)=C(CF3)SPri }(?5-C5H5)], [WF{?5-C(=CF2)C(CF3)= C(CO2Me)C(CO2Me)C(CF3)C(CF3) SPri}(?5-C5H5)], and [W{?4-C(CF3)C(CF3)= C(Me)C(Me)SPr i}(?2-CF3C=CCF3)(?-C 5H5)] Reactions of alkynes RC=CR (R = CF3, CO2Me, or Me) with ?2-vinyl complexes [W{?2-C(CF3)C(CF3)SR'}(CF 3C=CCF 3)-(?5-C5H5)] (R' = Et, Prn, or Pri) give isomeric products [W(CF3C2CF3)2(RC2 R)SR'(?5-C5H5)] resulting from insertion of the incoming alkyne into the M=C bond of the ?2- vinyl and thus illustrate that ?2-vinyls can act as intermediates in metal-promoted alkyne oligomerisation reactions.
AB - full title: The mechanistic role of ?2-vinyl complexes in metal-promoted alkyne Oligomerisations. The crystal and molecular structures of [W{?5-C(CF3)= C(CF3)C(CO 2Me)=C(CO2Me)C(CF3)=C(CF3)SPri }(?5-C5H5)], [WF{?5-C(=CF2)C(CF3)= C(CO2Me)C(CO2Me)C(CF3)C(CF3) SPri}(?5-C5H5)], and [W{?4-C(CF3)C(CF3)= C(Me)C(Me)SPr i}(?2-CF3C=CCF3)(?-C 5H5)] Reactions of alkynes RC=CR (R = CF3, CO2Me, or Me) with ?2-vinyl complexes [W{?2-C(CF3)C(CF3)SR'}(CF 3C=CCF 3)-(?5-C5H5)] (R' = Et, Prn, or Pri) give isomeric products [W(CF3C2CF3)2(RC2 R)SR'(?5-C5H5)] resulting from insertion of the incoming alkyne into the M=C bond of the ?2- vinyl and thus illustrate that ?2-vinyls can act as intermediates in metal-promoted alkyne oligomerisation reactions.
UR - http://www.scopus.com/inward/record.url?scp=51149210015&partnerID=8YFLogxK
M3 - Article
SN - 0022-4936
SP - 1474
EP - 1476
JO - Journal of the Chemical Society, Chemical Communications
JF - Journal of the Chemical Society, Chemical Communications
IS - 21
ER -