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Preparation and Properties of RMgN< Compounds Having Coordinating Oxygen Atoms in the Amino Component

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journal contribution
posted on 08.05.2006, 00:00 authored by Edward P. Squiller, Anthony D. Pajerski, Robert R. Whittle, Herman G. Richey
Compounds of composition RMgN(CH2CH2OMe)2 and RMg(N15C5) were prepared (HN15C5 = 1,4,7,10-tetraoxa-13-azacyclopentadecane). Crystal structures of the compounds in which R is ethyl showed the solids to have dimeric structures with four-membered rings formed by two nitrogen and two magnesium atoms, and molecular weight measurements found RMgN(CH2CH2OMe)2 (R = ethyl or neopentyl) to be dimeric in benzene solutions. A crystal structure was determined of a compound of composition (Et2Mg)2EtOMg(N15C5) that was obtained as a minor and accidental component.