N–O Bond as External Oxidant in Group 9 Cp*M(III)-Catalyzed Oxidative C–H Coupling Reactions
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DOI: 10.1021/acscatal.7b00677
Abstract: Group 9 Cp*M(III) (M = Co, Rh, Ir) complexes have been extensively investigated as catalysts in a variety of C–H activation reactions. Typically, late metal-based silver or copper salt was used (while needed) as oxidant… read more here.
Keywords: group iii; group; iii catalyzed; external oxidant ... See more keywords
External oxidant-free electrooxidative [3 + 2] annulation between phenol and indole derivatives
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DOI: 10.1038/s41467-017-00873-1
Abstract: Intermolecular [3 + 2] annulation is one of the most straightforward approaches to construct five membered heterocycles. However, it generally requires the use of functionalized substrates. An ideal reaction approach is to achieve dehydrogenative [3 + 2] annulation under… read more here.
Keywords: annulation; free electrooxidative; external oxidant; oxidant free ... See more keywords
Photoinduced oxidative activation of electron-rich arenes: alkenylation with H2 evolution under external oxidant-free conditions† †Electronic supplementary information (ESI) available. See DOI: 10.1039/c7sc04634k
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DOI: 10.1039/c7sc04634k
Abstract: An external oxidant-free cross-coupling of electron-rich arenes and styrenes was enabled by a dual photoredox-cobaloxime catalytic system. read more here.
Keywords: electron rich; external oxidant; rich arenes; oxidant free ... See more keywords
Copper-catalyzed [4 + 2] annulation reaction of β-enaminones and aryl diazonium salts without external oxidant: synthesis of highly functionalized 3H-1,2,4-triazines via homogeneous or heterogeneous strategy
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DOI: 10.1039/c9qo01413f
Abstract: Herein, both homogeneous and heterogeneous strategies were developed to access highly functionalized 3H-1,2,4-triazines using Cu-catalyzed [4 + 2] annulation. This new protocol featured external oxidant-free conditions, a non-noble copper catalyst and good functional group compatibility.… read more here.
Keywords: functionalized triazines; homogeneous heterogeneous; external oxidant; catalyzed annulation ... See more keywords