Abstract
Grignard reagents were employed for the first time to organically functionalize a mesoporous silica, MCM-41. 29Si-and 13C-MAS-NMR spectra proved that Grignard reagents modified the surface of MCM-41, forming stable Si–C bonds from surface silanol groups via alkoxy species without damaging the ordered structure of MCM-41. The degree of organic functionalization depended on the size of the used Grignard reagents. These organically functionalized MCM-41 materials exhibited high hydrophobicity and remarkable hydrothermal stability.
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