Abstract
Reaction of equimolar quantities of cis-[ReO2I(PPh3)2] with 5,6-diamino-1,3-dimethyl-2,4-dioxopyrimidine (H2ddd) in acetonitrile led to the formation of [Re(ddd)(Hddd)I(PPh3)2] (ReO4) (1). A single-crystal X-ray crystal structure shows that ddd is coordinated as a monodentate through the doubly deprotonated amino nitrogen and is therefore present as an imide. The chelate Hddd is coordinated as a bidentate via a neutral amino nitrogen atom, trans to the imido nitrogen, and a singly deprotonated amido nitrogen atom, trans to the iodide.
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