Direct Synthesis and Catalytic Reactivity of Highly Ordered Large-Pore Methylaminopropyl-Functionalized SBA-15 Materials
Xueguang Wang A B and Soofin Cheng AA Department of Chemistry, National Taiwan University, Taipei 106, Taiwan.
B Corresponding author. Email: wxg228@yahoo.com; chem1031@ntu.edu.tw
Australian Journal of Chemistry 58(7) 507-510 https://doi.org/10.1071/CH05024
Submitted: 10 January 2005 Accepted: 17 April 2005 Published: 21 July 2005
Abstract
Highly ordered large-pore SBA-15 materials functionalized with a high loading of amino groups were synthesized for the first time by co-condensation of tetraethyl orthosilicate (TEOS) and [3-(methylamino)propyl]trimethoxysilane (MAPTMS) using an amphiphilic block copolymer. Addition of inorganic salt to the initial mixture greatly enhanced the mesostructure ordering and stability of the mesoporous materials. The materials thus obtained showed high catalytic activity and selectivity for the synthesis of flavanones by means of the Claisen–Schmidt condensation in the absence of solvent.
Acknowledgment
This project was supported by the National Science Council, Taiwan.
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