Issue 91, 2022

Reductive activation of N2 using a calcium/potassium bimetallic system supported by an extremely bulky diamide ligand

Abstract

An extremely bulky xanthene bridged diamide ligand (TCHPNON = 4,5-bis(2,4,6-tricyclohexylanilido)-2,7-diethyl-9,9-dimethyl-xanthene) has been developed and used to prepare two monomeric diamido-calcium complexes [(TCHPNON)Ca(D)n] (D = THF, n = 2, 3; D = toluene, n = 1, 4). Reduction of 4 with 5% w/w K/KI under an N2 atmosphere gave the first well-defined, hetero-bimetallic s-block complex of activated dinitrogen, [{K(TCHPNON)Ca}2(μ-η22-N2)] 5, presumably via a transient calcium(I) intermediate.

Graphical abstract: Reductive activation of N2 using a calcium/potassium bimetallic system supported by an extremely bulky diamide ligand

Supplementary files

Article information

Article type
Communication
Submitted
01 ሴፕቴ 2022
Accepted
13 ኦክቶ 2022
First published
13 ኦክቶ 2022

Chem. Commun., 2022,58, 12665-12668

Reductive activation of N2 using a calcium/potassium bimetallic system supported by an extremely bulky diamide ligand

R. Mondal, K. Yuvaraj, T. Rajeshkumar, L. Maron and C. Jones, Chem. Commun., 2022, 58, 12665 DOI: 10.1039/D2CC04841H

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