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Evidence for extreme activation of carbon-hydrogen bonds in [(PhCH2)2NNa]n : resultant carbon-hydrogen bond cleavage to give {[PhC(H)NC(H)Ph]Na.cntdot.PMDETA}n

Andrews, Philip C. and Armstrong, David R. and Mulvey, Robert and Reed, David (1988) Evidence for extreme activation of carbon-hydrogen bonds in [(PhCH2)2NNa]n : resultant carbon-hydrogen bond cleavage to give {[PhC(H)NC(H)Ph]Na.cntdot.PMDETA}n. Journal of the American Chemical Society, 110 (15). pp. 5235-5236. ISSN 0002-7863

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Abstract

In organolithium chemistry evidence is accumulating that lithium atoms situated in abnormally low coordination environments then proceed to interact with nearby CH units of the ligands. For example, the crystal structure of [(PhCH,),NLi], revealed a planar (NLi)3 ring whose formally just two-coordinate metal atoms form close contacts with CHpCoCH portions of the benzyl groups.