Pincer-Metal Complexes: Applications in Catalytic Dehydrogenation Chemistry

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Pincer–Metal Complexes
Copyright
Contents
List of contributors
Foreword
Preface
1 Application of pincer metal complexes in catalytic transformations
	1.1 Introduction
	1.2 Dehydrogenation of ammonia borane and its derivatives
	1.3 Dinitrogen activation using pincer ligands
		1.3.1 Catalytic dinitrogen activation using Mo pincer catalyst
		1.3.2 Catalytic dinitrogen activation using 3d metal pincer catalyst
		1.3.3 Catalytic dinitrogen fixation using earlier transition metals (V, Ti, Zr)
		1.3.4 N–X bond formation with metal nitride in pincer complexes
		1.3.5 Catalytic silylation of dinitrogen using transition metal pincer complexes
	1.4 Pincer complexes as hydrogenation catalyst
		1.4.1 Ester hydrogenation
		1.4.2 Amide hydrogenation
		1.4.3 Hydrogenation of urea, carbamate, carbonate, and imides derivatives
		1.4.4 Nitrile hydrogenation
		1.4.5 Hydrogenation of alkynes
	1.5 Coupling reaction: C–C bond formation reaction
		1.5.1 Mizoroki-Heck reaction
		1.5.2 Suzuki–Miyaura reaction
		1.5.3 Sonogashira, Negishi, Kumada-Corriu, Stille cross-coupling
	1.6 Redox-Active Pincer Complexes
	1.7 Conclusion
	References
2 Pincer-group(8) and pincer-group(9) metal complexes for catalytic alkane dehydrogenation reactions
	2.1 Introduction
		2.1.1 Alkane dehydrogenation
	2.2 Dehydrogenation reactions of alkane using pincer–Ir complexes
		2.2.1 Initial reports based on pincer–Ir catalysts
		2.2.2 Alkane dehydrogenation by PC(sp2)P-Ir systems
		2.2.3 Alkane dehydrogenation by PYC(sp2)ZP-Ir (Y=O, S, CH2) systems
		2.2.4 Mechanism of pincer–Ir-catalyzed alkane dehydrogenation
		2.2.5 Solid/gas-phase alkane dehydrogenation
		2.2.6 Continuous-flow gas-phase alkane dehydrogenation
		2.2.7 Alkane dehydrogenation by PC(sp3)P–Ir complexes
		2.2.8 Alkane dehydrogenation by POCN–Ir, PBP–Ir, PNP–Ir, and PAlP complexes
		2.2.9 Alkane dehydrogenation by PXC(sp2)NP-Ir-HCl (X=O, S) complexes
		2.2.10 Alkane dehydrogenation by non-phosphine-based iridium pincer complexes
	2.3 Dehydrogenation of alkanes by pincer–metal complexes other than iridium
		2.3.1 Ruthenium pincer complexes for alkane dehydrogenation
		2.3.2 Osmium pincer complexes for alkane dehydrogenation
		2.3.3 Rhodium pincer complexes for alkane dehydrogenation
	2.4 Applications of alkane dehydrogenation
		2.4.1 Alkane metathesis
		2.4.2 Alkane coupling
		2.4.3 Synthesis of aromatics
			2.4.3.1 Dehydroaromatization
			2.4.3.2 Cyclodimerization
			2.4.3.3 Alkyl group cross metathesis
			2.4.3.4 Alkyl–aryl coupling
		2.4.4 Functionalization of alkanes
			2.4.4.1 Silylation and borylation
			2.4.4.2 Formylation and aminomethylation
	2.5 Summary and outlook
	References
3 Transition metal-catalyzed dehydrogenation of methanol and related transformations
	3.1 Introduction
	3.2 Hydrogen production
	3.3 N-Methylation reactions
		3.3.1 N-Methylation of amines
		3.3.2 N-Methylation of nitro, nitrile, and azide compounds
		3.3.3 N-Methylation of amides and oximes
	3.4 N-Formylation reactions
	3.5 C-Methylation reactions
		3.5.1 α-Methylation of ketones
		3.5.2 C-Methylation of alcohols
		3.5.3 C3-Methylation of indoles
		3.5.4 α-Methylation of arylacetonitriles
		3.5.5 Aminomethylations
	3.6 N-Heterocycles synthesis
	3.7 Miscellaneous transformations
	3.8 Conclusion
	References
4 Transition metal pincer complexes in acceptorless dehydrogenation reactions
	4.1 Introduction
	4.2 Acceptorless dehydrogenation
		4.2.1 Acceptorless alcohol dehydrogenation
		4.2.2 Dehydrogenation of alcohols to carboxylic acids
		4.2.3 Dehydrogenation of amines
		4.2.4 Dehydrogenation of N-heterocycles
	4.3 Conclusion and future perspective
	Acknowledgments
	References
5 An outlook on the applications of pincer-metal complexes in catalytic dehydrogenation chemistry
	References
Index
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