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| Content Provider | Royal Society of Chemistry (RSC) |
|---|---|
| Author | Zyoud, Ahed Hilal, Hikmat S. Mansour, Waseem Hussein, Ahmad Q. Jondi, Waheed |
| Copyright Year | 2016 |
| Abstract | Tetra(4-pyridyl)porphyrinato-manganese(III) (MnTPyP+) ions intercalated inside nano- and micro-size natural clay powders effectively catalyzed the hydrosilylation reaction of 1-octene and tri(ethoxy)silane under mild conditions. The results showed that the homogeneous MnTPyP+ ions catalyzed the reaction where both branched and linear products were observed. Intercalation significantly enhanced both catalyst activity and selectivity. Production of the linear tri(ethoxy)silyl-1-octane as sole product was confirmed by FT-IR and NMR spectra, in the case of the intercalated catalyst. The activity enhancement was more pronounced in the case of the nano-particle supported catalyst system, with turnover frequency (TF) values up to 1200 min−1 and 85% conversion observed in less than 20 min. The intercalated catalyst systems were easy to recover and were reused three times, while retaining up to 80% of their original activity. Effects of different reaction parameters on the initial reaction rate, such as clay particle size, solvent polarity, reactant concentration, catalyst loading and temperature, were investigated. A new plausible mechanism, with evidence and justifications, is proposed. |
| Starting Page | 194 |
| Ending Page | 203 |
| Page Count | 10 |
| File Format | HTM / HTML PDF |
| ISSN | 20589883 |
| Volume Number | 1 |
| Issue Number | 2 |
| Journal | Reaction Chemistry & Engineering |
| DOI | 10.1039/c5re00010f |
| Language | English |
| Publisher | Royal Society of Chemistry |
| Access Restriction | Open |
| Subject Keyword | Octane 1-Octene Nanoparticle Clay minerals Hydrosilylation Fourier-transform infrared spectroscopy Nuclear magnetic resonance Reaction rate Tetra Solvent Silane Catalyst support |
| Content Type | Text |
| Resource Type | Article |
| Subject | Chemistry Fluid Flow and Transfer Processes Catalysis Process Chemistry and Technology |
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