Synthesis and structure of two new (guanidinate)boron dichlorides and their attempted conversion to boron(i) derivatives

Michael Findlater, Nicholas J. Hill, Alan H. Cowley

Research output: Contribution to journalArticle

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Abstract

To test the feasibility of the guanidinate architecture for the support of boron(i) carbene analogues the energy gap between the singlet and triplet states of the model compound, [Me2NC{N(Ph)}2B:] (7), has been probed by both DFT and second order Møller-Plesset (MP2) methods. The singlet state is calculated to be more stable than the triplet state by between 6.0 and 10.1 kcal mol-1. The new (guanidinate)boron dichlorides [Ph2NC{N(Mes)2]BCl2 (14) and [Ph 2NC{N(Dipp)2]BCl2 (15) have been prepared and characterized by single-crystal X-ray diffraction. Attempts to reduce 14 and 15 to the corresponding boron(i) species were not successful.

Original languageEnglish
Pages (from-to)4419-4423
Number of pages5
JournalDalton Transactions
Issue number33
DOIs
StatePublished - 2008

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