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Manganese(I)-Catalyzed C−H Activation: The Key Role of a 7-Membered Manganacycle in H-Transfer and Reductive Elimination

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JournalAngewandte Chemie International Edition
DateAccepted/In press - 7 Sep 2016
DateE-pub ahead of print - 7 Sep 2016
DatePublished (current) - 26 Sep 2016
Issue number40
Volume55
Number of pages5
Pages (from-to)12455-12459
Early online date7/09/16
Original languageEnglish

Abstract

Manganese-catalyzed C−H bond activation chemistry is emerging as a powerful and complementary method for molecular functionalization. A highly reactive seven-membered MnIintermediate is detected and characterized that is effective for H-transfer or reductive elimination to deliver alkenylated or pyridinium products, respectively. The two pathways are determined at MnIby judicious choice of an electron-deficient 2-pyrone substrate containing a 2-pyridyl directing group, which undergoes regioselective C−H bond activation, serving as a valuable system for probing the mechanistic features of Mn C−H bond activation chemistry.

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© 2016, The Authors.

    Research areas

  • catalysis, C−H activation, functionalization, manganese, sustainability

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