Recent developments on acidity characterization of solid acid catalysts, specifically those invoking P-31 solid-state nuclear magnetic resonance (SSNMR) spectroscopy using phosphorus-containing molecules as probes, have been summarized. In particular, various P-31 SSNMR approaches using trimethylphosphine, diphosphines, and trialkylphosphine oxides (R3PO) will be introduced, and their practical applications for the characterization of important qualitative and quantitative features, namely, type, distribution, accessibility (location/proximity), concentration (amount), and strength of acid sites in various solid acids, will be illustrated.
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Merck & Co Inc, Analyt Res & Dev, Rahway, NJ 07065 USA
Bristol Myers Squibb, Res & Dev, Drug Discovery NMR, Cambridge, MA 02141 USAMerck & Co Inc, Analyt Res & Dev, Rahway, NJ 07065 USA
Schroder, Ryan
Dorsey, Phillip J.
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Merck & Co Inc, Pharmaceut Sci & Clin Supply, West Point, PA 19486 USAMerck & Co Inc, Analyt Res & Dev, Rahway, NJ 07065 USA
Dorsey, Phillip J.
Vanderburgh, Joe
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Merck & Co Inc, Pharmaceut Sci & Clin Supply, West Point, PA 19486 USAMerck & Co Inc, Analyt Res & Dev, Rahway, NJ 07065 USA
Vanderburgh, Joe
Xu, Wei
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Merck & Co Inc, Analyt Res & Dev, Rahway, NJ 07065 USAMerck & Co Inc, Analyt Res & Dev, Rahway, NJ 07065 USA
Xu, Wei
D'Addio, Suzanne M.
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Merck & Co Inc, Pharmaceut Sci & Clin Supply, West Point, PA 19486 USAMerck & Co Inc, Analyt Res & Dev, Rahway, NJ 07065 USA
D'Addio, Suzanne M.
Klein, Lee
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Merck & Co Inc, Analyt Res & Dev, Rahway, NJ 07065 USAMerck & Co Inc, Analyt Res & Dev, Rahway, NJ 07065 USA
Klein, Lee
Gindy, Marian
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Merck & Co Inc, Small Mol Sci & Technol, Rahway, NJ 07065 USAMerck & Co Inc, Analyt Res & Dev, Rahway, NJ 07065 USA
Gindy, Marian
Su, Yongchao
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Merck & Co Inc, Analyt Res & Dev, Rahway, NJ 07065 USA
Merck & Co Inc, Pharmaceut Sci & Clin Supply, West Point, PA 19486 USAMerck & Co Inc, Analyt Res & Dev, Rahway, NJ 07065 USA