A Mo(VI) Alkylidyne complex with polyhedral oligomeric silsesquioxane ligands: Homogeneous analogue of a silica-supported alkyne metathesis catalyst

Mo Cho Hyeon; Haim Weissman; Scott R. Wilson; Jeffrey S. Moore

doi:10.1021/ja065101x

A Mo(VI) Alkylidyne complex with polyhedral oligomeric silsesquioxane ligands: Homogeneous analogue of a silica-supported alkyne metathesis catalyst

Mo Cho Hyeon, Haim Weissman, Scott R. Wilson, Jeffrey S. Moore

University College

Research output: Contribution to journal › Article › peer-review

74 Citations (Scopus)

Abstract

A highly active alkyne metathesis catalyst is realized by replacing the amide ligands of a molybdenum(VI) trisamide alkylidyne complex with silanol groups from incompletely condensed POSS (polyhedral oligomeric silsesquioxane) ligands. This catalyst serves as an effective homogeneous mimic of an amorphous silica-supported catalyst. Reactivities of various catalytic mixtures are reported along with an X-ray structure of the aniline-coordinated amidodisiloxymolybdenum(VI) alkylidyne complex.

Original language	English
Pages (from-to)	14742-14743
Number of pages	2
Journal	Journal of the American Chemical Society
Volume	128
Issue number	46
DOIs	https://doi.org/10.1021/ja065101x
Publication status	Published - 2006 Nov 22

All Science Journal Classification (ASJC) codes

Catalysis
Chemistry(all)
Biochemistry
Colloid and Surface Chemistry

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10.1021/ja065101x

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AU - Wilson, Scott R.

AU - Moore, Jeffrey S.

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AB - A highly active alkyne metathesis catalyst is realized by replacing the amide ligands of a molybdenum(VI) trisamide alkylidyne complex with silanol groups from incompletely condensed POSS (polyhedral oligomeric silsesquioxane) ligands. This catalyst serves as an effective homogeneous mimic of an amorphous silica-supported catalyst. Reactivities of various catalytic mixtures are reported along with an X-ray structure of the aniline-coordinated amidodisiloxymolybdenum(VI) alkylidyne complex.

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A Mo(VI) Alkylidyne complex with polyhedral oligomeric silsesquioxane ligands: Homogeneous analogue of a silica-supported alkyne metathesis catalyst

Abstract

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