Straightforward Immobilization of Phosphonic Acids and Phosphoric Acid Esters on Mesoporous Silica and Their Application in an Asymmetric Aldol Reaction

C. Weinberger, T. Heckel, P. Schnippering, M. Schmitz, A. Guo, W. Keil, H.C. Marsmann, C. Schmidt, M. Tiemann, R. Wilhelm, Nanomaterials (2019).

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<jats:p>The combined benefits of moisture-stable phosphonic acids and mesoporous silica materials (SBA-15 and MCM-41) as large-surface-area solid supports offer new opportunities for several applications, such as catalysis or drug delivery. We present a comprehensive study of a straightforward synthesis method via direct immobilization of several phosphonic acids and phosphoric acid esters on various mesoporous silicas in a Dean–Stark apparatus with toluene as the solvent. Due to the utilization of azeotropic distillation, there was no need to dry phosphonic acids, phosphoric acid esters, solvents, or silicas prior to synthesis. In addition to modeling phosphonic acids, immobilization of the important biomolecule adenosine monophosphate (AMP) on the porous supports was also investigated. Due to the high surface area of the mesoporous silicas, a possible catalytic application based on immobilization of an organocatalyst for an asymmetric aldol reaction is discussed.</jats:p>
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Nanomaterials
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249
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Weinberger C, Heckel T, Schnippering P, et al. Straightforward Immobilization of Phosphonic Acids and Phosphoric Acid Esters on Mesoporous Silica and Their Application in an Asymmetric Aldol Reaction. Nanomaterials. Published online 2019. doi:10.3390/nano9020249
Weinberger, C., Heckel, T., Schnippering, P., Schmitz, M., Guo, A., Keil, W., Marsmann, H. C., Schmidt, C., Tiemann, M., & Wilhelm, R. (2019). Straightforward Immobilization of Phosphonic Acids and Phosphoric Acid Esters on Mesoporous Silica and Their Application in an Asymmetric Aldol Reaction. Nanomaterials, Article 249. https://doi.org/10.3390/nano9020249
@article{Weinberger_Heckel_Schnippering_Schmitz_Guo_Keil_Marsmann_Schmidt_Tiemann_Wilhelm_2019, title={Straightforward Immobilization of Phosphonic Acids and Phosphoric Acid Esters on Mesoporous Silica and Their Application in an Asymmetric Aldol Reaction}, DOI={10.3390/nano9020249}, number={249}, journal={Nanomaterials}, author={Weinberger, Christian and Heckel, Tatjana and Schnippering, Patrick and Schmitz, Markus and Guo, Anpeng and Keil, Waldemar and Marsmann, Heinrich C. and Schmidt, Claudia and Tiemann, Michael and Wilhelm, René}, year={2019} }
Weinberger, Christian, Tatjana Heckel, Patrick Schnippering, Markus Schmitz, Anpeng Guo, Waldemar Keil, Heinrich C. Marsmann, Claudia Schmidt, Michael Tiemann, and René Wilhelm. “Straightforward Immobilization of Phosphonic Acids and Phosphoric Acid Esters on Mesoporous Silica and Their Application in an Asymmetric Aldol Reaction.” Nanomaterials, 2019. https://doi.org/10.3390/nano9020249.
C. Weinberger et al., “Straightforward Immobilization of Phosphonic Acids and Phosphoric Acid Esters on Mesoporous Silica and Their Application in an Asymmetric Aldol Reaction,” Nanomaterials, Art. no. 249, 2019, doi: 10.3390/nano9020249.
Weinberger, Christian, et al. “Straightforward Immobilization of Phosphonic Acids and Phosphoric Acid Esters on Mesoporous Silica and Their Application in an Asymmetric Aldol Reaction.” Nanomaterials, 249, 2019, doi:10.3390/nano9020249.

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