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Uranium and thorium complexes of the phosphaethynolate ion.


ABSTRACT: New tris-amidinate actinide (Th, U) complexes containing a rare O-bound terminal phosphaethynolate (OCP - ) ligand were synthesized and fully characterized. The cyanate (OCN - ) and thiocyanate (SCN - ) analogs were prepared for comparison and feature a preferential N-coordination to the actinide metals. The Th(amid)3(OCP) complex reacts with Ni(COD)2 to yield the heterobimetallic adduct (amid) 3 Th(?-? 1 (O):? 2 (C,P)-OCP)Ni(COD) featuring an unprecedented reduced (OCP - ) bent fragment bridging the two metals.

SUBMITTER: Camp C 

PROVIDER: S-EPMC6054101 | biostudies-literature | 2015 Nov

REPOSITORIES: biostudies-literature

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Uranium and thorium complexes of the phosphaethynolate ion.

Camp Clément C   Settineri Nicholas N   Lefèvre Julia J   Jupp Andrew R AR   Goicoechea José M JM   Maron Laurent L   Arnold John J  

Chemical science 20150720 11


New <i>tris</i>-amidinate actinide (Th, U) complexes containing a rare O-bound terminal phosphaethynolate (OCP <sup><b>-</b></sup> ) ligand were synthesized and fully characterized. The cyanate (OCN <sup><b>-</b></sup> ) and thiocyanate (SCN <sup><b>-</b></sup> ) analogs were prepared for comparison and feature a preferential N-coordination to the actinide metals. The Th(amid)<sub>3</sub>(OCP) complex reacts with Ni(COD)<sub>2</sub> to yield the heterobimetallic adduct (amid) <sub><b>3</b></sub>  ...[more]

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