Cover Feature: [(Me6TREN)MgOCHPh2][B(C6F5)4]: A Model Complex to Explore the Catalytic Activity of Magnesium Alkoxides in Ketone Hydroboration (Eur. J. Inorg. Chem. 45/2021)

The Cover Feature shows a concerted carbonyl hydroboration mechanism involving Mg−O, B−H, and C=O bonds. Homoleptic magnesium alkoxides catalyze ketone hydroboration with a turn‐over frequency (TOF) reaching up to 59,400 h−1 and exhibit exceptional functional group tolerance. This TOF is so far the...

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Published inEuropean journal of inorganic chemistry Vol. 2021; no. 45; p. 4595
Main Authors Ankur, Kannan, Ramkumar, Chambenahalli, Raju, Banerjee, Sumanta, Yang, Yan, Maron, Laurent, Venugopal, Ajay
Format Journal Article
LanguageEnglish
Published 07.12.2021
Subjects
Alkaline earth metals
Ketone hydroboration
Magnesium alkoxide
Reaction mechanisms
Reduction catalysis
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Summary:The Cover Feature shows a concerted carbonyl hydroboration mechanism involving Mg−O, B−H, and C=O bonds. Homoleptic magnesium alkoxides catalyze ketone hydroboration with a turn‐over frequency (TOF) reaching up to 59,400 h−1 and exhibit exceptional functional group tolerance. This TOF is so far the best observed in a main group catalyst without the involvement of a metal hydride intermediate. The newly proposed mechanism finds general applicability in magnesium alkoxides and stimulates interest in exploring other metal alkoxides in reduction chemistry. More information can be found in the Full Paper by L. Maron, A. Venugopal and co‐workers.
ISSN:1434-1948
1099-0682
DOI:10.1002/ejic.202100922