Synthesis and structure of the li-13 cage [{[o - p(mu-(nbu)-bu-t)](2)li-2}(3)(licl)(6)li(cl/(obu)-bu-n)(0.5)(thf)(7)], containing a [o - p(mu-(nbu)-bu-t)](2)(2-) dianion

Chan, W.T.K. and Eisler, D. and Garcia, F. and Gonzalez-Calera, S. and McPartlin, M. and Morey, J.V. and Mulvey, R.E. and Singh, S. (2008) Synthesis and structure of the li-13 cage [{[o - p(mu-(nbu)-bu-t)](2)li-2}(3)(licl)(6)li(cl/(obu)-bu-n)(0.5)(thf)(7)], containing a [o - p(mu-(nbu)-bu-t)](2)(2-) dianion. Chemical Communications (London) (19). pp. 2251-2253. ISSN 0009-241X (http://dx.doi.org/10.1039/b800051d)

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Abstract

The hydrolysis of [ClP(-NtBu)]2 with H2O-Et3N in thf, followed by in situ lithiation with nBuLi gives the Li13 cage [{[OP(-NtBu)]2Li2}3(LiCl)6Li(Cl/OnBu)0.5(thf)7], containing a [OP(-NtBu)]22- dianion that is isoelectronic with ligands of the type [(RN)P(-NR)]22-. (Abstract edited from: http://www.rsc.org/Publishing/Journals/CC/article.asp?doi=b800051d)