Abstract
The interaction of [W(
C–
tBu)(CH
2–
tBu)(OAr)
2] (Ar
=
2,6-
iPr
2C
6H
3) (
1) with the OH groups of a silica dehydroxylated at 700
°C leads to [(
SiO)W(OAr)
2(
C–
tBu)] (
2) which was characterized by IR, solid-state NMR and mass balance analysis. This well-defined surface species has been proved to be an efficient catalyst for the metathesis of pent-2-yne.
The interaction of [W(
C–
tBu)(CH
2–
tBu)(OAr)
2] (Ar
=
2,6-
iPr
2C
6H
3) (
1), with the hydroxyl groups of a silica dehydroxylated at 700
°C leads to [(
SiO)W(OAr)
2(
C–
tBu)] (
2) which was characterized by IR, solid-state NMR and mass balance analysis. This well-defined surface species is an efficient catalyst for the metathesis of pent-2-yne.