2004
DOI: 10.1016/j.jcat.2004.01.016
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Periodic mesoporous organosilica incorporating a catalytically active vanadyl Schiff base complex in the framework

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Cited by 143 publications
(29 citation statements)
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“…In this way, Corma and co-workers prepared the first family of well-ordered chiral mesoporous organosilicas (ChiMOs) by introducing, in a one-pot synthesis, chiral vanadyl salen complexes into the walls of hybrid materials with M41S periodicity (figure 11). This specific ChiMO catalyst induced 30 per cent enantioselectivity in the cyanosilylation of benzaldehyde (Baleizao et al 2003a(Baleizao et al ,b, 2004.…”
Section: (C) Pmos Containing Chiral Single Sitesmentioning
confidence: 98%
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“…In this way, Corma and co-workers prepared the first family of well-ordered chiral mesoporous organosilicas (ChiMOs) by introducing, in a one-pot synthesis, chiral vanadyl salen complexes into the walls of hybrid materials with M41S periodicity (figure 11). This specific ChiMO catalyst induced 30 per cent enantioselectivity in the cyanosilylation of benzaldehyde (Baleizao et al 2003a(Baleizao et al ,b, 2004.…”
Section: (C) Pmos Containing Chiral Single Sitesmentioning
confidence: 98%
“…Following this approach, García and co-workers prepared other attractive chiral periodic mesoporous organosilica, ChiMO, using as the organic-inorganic precursor bis-silylated tartramide derived from L-(+)-dimethyl tartrate (Baleizao et al 2003a(Baleizao et al ,b, 2004. Figure 12.…”
Section: (C) Pmos Containing Chiral Single Sitesmentioning
confidence: 99%
“…PMO with an MCM -41 -like structure was synthesized following a cosynthetic approach by Garcia and co -workers [13] .…”
Section: Cosynthetic Strategiesmentioning
confidence: 99%
“…As another example, solid -state 29 Si MAS NMR has been used to confi rm the successful incorporation of a chiral vanadyl Schiff base complex having two terminal trimethoxysilyl groups peripheral to the ligand into a PMO material, leading to an effi cient enantioselective heterogeneous catalyst for the cyanosilylation of carbonyl groups. The 29 Si NMR spectrum of the material shows the presence of T 3 silicon atoms [ -CH 2 -Si(OSi = − ) 3 ] originating from the complete condensation reaction of the T 0 groups [ -CH 2 -Si(OR) 3 ] of the ligand: this represents clear evidence that the Si atoms of the ligand are covalently attached to the silicate framework [13] . Chiral ligands often contain heteroatoms that can be monitored by means of NMR spectroscopy.…”
Section: Nuclear Magnetic Resonancementioning
confidence: 99%
“…109 En nuestro caso se sintetiza un derivado del carbapaladaciclo con dos grupos alcoxisilano terminales. Este material presenta actividad catalítica para la reacción de Suzuki entre bromuros de arilo y el ácido fenilborónico en agua.…”
Section: Preparación De Polímeros Insolubles Por Copolimerización De unclassified