New hydroxylamine-containing macrobicyclic encapsulating ligand: Unexpected double addition of ethyl radicals to the azomethine fragment of a boron-capped iron(II) clathrochelate dioximateстатья
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Аннотация:The reaction of the fluoroboron-capped mixed dimethylglyoximate-α-benzyldioximate iron(II) clathrochelate
with (C2H5)3B–O2 system as a “soft” radical source afforded the major macrobicyclic product of the reductive
addition of two carbon-centered radicals to the azomethine moiety of the dimethylglyoximate fragment giving
the chelate ribbed entity that contains both the oxime and hydroxylamine donor groups. Such an unprecedented
cage complex of this newencapsulating ligandwas thoroughly characterized both in a solution by one- and twodimensional
NMR and in a solid state using X-ray crystallography.