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Dalton Trans ; 47(38): 13332-13336, 2018 Oct 02.
Artigo em Inglês | MEDLINE | ID: mdl-30206603

RESUMO

A persistent dipotassium 3,5-diphenyl-1,2,4-diazaphospholide dianion radical {K+2[(3,5-Ph2dp)]˙2-} (2) was synthesized and investigated by EPR analysis and magnetic susceptibility measurement, and it can be used as a transfer agent for the preparation of an unusual 1,2-diaza-4-phosphine ruthenocene (4) with exclusive σ(P)-coordination. A plausible mechanism for the formation of 4 was proposed as one that involves a reactive radical intermediate {K+[(η5-CpMe5Ru)(σ(P),σ(C)-(3,5-Ph2dp)˙]-)} (K+[5A˙]-) with σ(P)-coordination due to the high spin density (SD) at the phosphorus (σ2λ3) atom.

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