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Heterogeneously Catalyzed Oxidation Reactions Using ... - CHEC

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2.3.8 <strong>Oxidation</strong> of sulfides ...................................................................................................................53<br />

2.3.9 <strong>Oxidation</strong> of silanes ....................................................................................................................54<br />

2.4 Strengths and opportunities of coinage metals as oxidation catalysts .............................................56<br />

2.4.1 Catalysis by gold .........................................................................................................................58<br />

2.4.2 Catalysis by copper .....................................................................................................................59<br />

2.4.3 Catalysis by silver ........................................................................................................................61<br />

2.4.4 Cascade reactions .......................................................................................................................62<br />

2.4.5 Catalyst deactivation ..................................................................................................................63<br />

2.4.6 (Some) opportunities for further research .................................................................................64<br />

2.5 Conclusions and outlook ...................................................................................................................66<br />

2.6 References .........................................................................................................................................67<br />

3. Selective Liquid‐Phase <strong>Oxidation</strong> of Alcohols <strong>Catalyzed</strong> by a Silver‐Based Catalyst Promoted by the<br />

Presence of Ceria .........................................................................................................................................77<br />

3.1 Introduction .......................................................................................................................................78<br />

3.2 Experimental .....................................................................................................................................79<br />

3.2.1 Catalyst preparation ...................................................................................................................79<br />

3.2.2 Catalyst testing ...........................................................................................................................79<br />

3.2.3 Inductively‐coupled plasma mass spectrometry (ICP‐MS) .........................................................80<br />

3.2.4 Characterization .........................................................................................................................80<br />

3.3 Results ...............................................................................................................................................81<br />

3.3.1 Synthesis of silver catalysts and catalyst screening ...................................................................81<br />

3.3.2 Investigation of the collaborative behavior of the Ag/SiO2 – CeO2 system ...............................83<br />

3.3.3 Influence of the catalyst synthesis and calcination procedure ..................................................86<br />

3.3.4 Effects of reaction conditions and reaction time .......................................................................88<br />

3.3.5 Extension to further alcohols and comparison to other noble metal catalysts .........................92<br />

3.4 Discussion ..........................................................................................................................................94<br />

3.5 Conclusions ........................................................................................................................................97<br />

3.6 References .........................................................................................................................................98<br />

XI

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