A Phosphinine‐derived 1‐Phospha‐7‐bora‐norbornadiene: Frustrated Lewis Pair Type Activation of Triple Bonds

URN to cite this document:: urn:nbn:de:bvb:355-epub-415845
DOI to cite this document:: 10.5283/epub.41584

Leitl, J. ; Jupp, A. R.

; Habraken, E. R. M. ; Streitferdt, V. ; Coburger, P.

; Scott, D. J.

; Gschwind, Ruth M.

; Müller, C. ; Slootweg, J. C. ; Wolf, Robert

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Date of publication of this fulltext: 14 Feb 2020 12:37

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Abstract

Salt metathesis of 1-methyl-2,4,6-triphenylphosphacyclohexadienyl lithium and chlorobis(pentafluorophenyl)borane affords a 1-phospha-7-bora-norbornadiene derivative 2. The C equivalent to N triple bonds of nitriles insert into the P-B bond of 2 with concomitant C-B bond cleavage, whereas the C equivalent to C bonds of phenylacetylenes react with 2 to form lambda(4)-phosphabarrelenes. Even though ...