Well-Defined Silica Grafted Molybdenum Bis(imido) Catalysts for Imine Metathesis Reactions
De Mallmann, Aimery
Le Quéméner, Frédéric
Szeto, Kai C.
KAUST Grant Number2174 CGR3
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AbstractNovel site-isolated tetracoordinated molybdenum complexes possessing bis(imido) ligands, [(≡Si–O)2Mo(═NR)2] (R = t-Bu, 2,6-C6H3-i-Pr2), were immobilized on partially dehydroxylated silica (SiO2-200) by a rigorous surface organometallic chemistry protocol. The newly developed materials adorned with bis(imido) functional units, which were previously exploited mainly as spectator ligands on silica-supported olefin metathesis molybdenum catalysts, are found to be efficient heterogeneous catalytic systems for imine cross metathesis under mild conditions.
CitationBarman S, Merle N, Minenkov Y, De Mallmann A, Samantaray MK, et al. (2017) Well-Defined Silica Grafted Molybdenum Bis(imido) Catalysts for Imine Metathesis Reactions. Organometallics 36: 1550–1556. Available: http://dx.doi.org/10.1021/acs.organomet.7b00115.
SponsorsThe Competitive Research Grant Program, supported by the KAUST Research Fund (project no. 2174 CGR3) is gratefully acknowledged for financial support. We thank Olivier Mathon for his help during the recording of the XAS spectra on the BM23 beamline at the ESRF (experiment code IN-986).
PublisherAmerican Chemical Society (ACS)