Terminal fluoride ligands generate strong magnetic anisotropy in air-stable chiral dysprosium enantiomers supported by a bulky equatorial macrocycle, exhibiting a typical zero-field single-molecule magnet behaviour.
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Perovskite-Like Carbodiimides (NCN): Synthesis and Characterization of MnHf(NCN) and FeHf(NCN).
J Am Chem Soc
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Chair of Solid-State and Quantum Chemistry, Institute of Inorganic Chemistry, RWTH Aachen University, 52056 Aachen, Germany.
Two novel ternary air-stable transition-metal carbodiimides, MnHf(NCN) and FeHf(NCN), were synthesized via solid-state metathesis using either ZnNCN or NaNCN as the carbodiimide source and the corresponding binary metal chlorides. These two phases are the first examples of transition-metal carbodiimides with an (NCN) composition, akin to ubiquitous O perovskite oxides. The crystal structure of MnHf(NCN) was determined and refined from powder X-ray diffraction (XRD) data in the non-centrosymmetric space group 622 allowing for chirality, the assignment of which is supported by second-harmonic generation (SHG) measurements.
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Nat Commun
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Center of Chemistry for Frontier Technologies, Department of Chemistry, Zhejiang University, Hangzhou, 310027, China.
The field of nickel catalysis has witnessed remarkable growth in recent years. However, the use of nickel catalysts in enantioselective C-H activation remains a daunting challenge because of their variable oxidation states, intricate coordination chemistry, and unpredictable reactivity patterns. Herein, we report an enantioselective C-H activation reaction catalyzed by commercially available and air-stable nickel(II) catalyst.
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Laboratoire National des Champs Magnétiques Intenses (LNCMI), CNRS, Univ. Grenoble Alpes, INSA Toulouse, Univ. Toulouse Paul Sabatier, EMFL, 38042 Grenoble, France.
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Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China.
The Weyl semimetals represent a distinct category of topological materials wherein the low-energy excitations appear as the long-sought Weyl Fermions. Exotic transport and optical properties are expected because of the chiral anomaly and linear energy-momentum dispersion. While three-dimensional Weyl semimetals have been successfully realized, the quest for their two-dimensional (2D) counterparts is ongoing.
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Main Group Organometallics Optoelectronic Materials and Catalysis Lab, Department of Chemistry, National Institute of Technology, Calicut 673601, India.
Herein, we designed and synthesized a series of air-stable, cost-effective, and readily synthesizable iron(III) salen complexes ( and ) for facilitating the selective hydroboration of ketones and unactivated imines with pinacolborane in the absence of any additive. These catalyst systems exhibited good yields, chemoselectivity, high atom economy, and a broad substrate scope under mild reaction conditions with a minimal catalyst loading of 0.2 mol %.
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