Isolation of U(ii) compounds using strong donor ligands, C5Me4H and N(SiMe3)2, including a three-coordinate U(ii) complex | Zendy

Austin J. Ryan | Zendy; Mary A. Angadol | Zendy; Joseph W. Ziller | Zendy; William J. Evans | Zendy

Open Access

Isolation of U(ii) compounds using strong donor ligands, C₅Me₄H and N(SiMe₃)₂, including a three-coordinate U(ii) complex

Author(s) -

Austin J. Ryan,

Mary A. Angadol,

Joseph W. Ziller,

William J. Evans

Publication year - 2019

Publication title -

chemical communications

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.837

H-Index - 333

eISSN - 1364-548X

pISSN - 1359-7345

DOI - 10.1039/c8cc08767a

Subject(s) - chemistry , oxidation state , group 2 organometallic chemistry , stereochemistry , crystallography , metal , molecule , organic chemistry

New examples of uranium in the formal +2 oxidation state have been isolated by reduction of Cptet3U (Cptet = C5Me4H) and U(NR2)3 (R = SiMe3) in the presence of 2.2.2-cryptand (crypt) to produce [K(crypt)][Cptet3U] and [K(crypt)][U(NR2)3], respectively. Both complexes have properties consistent with 5f36d1 electron configurations and demonstrate that the U(ii) ion can be isolated with electron donating ligands.

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