Synthesis and structural characterization of terminal (diisopropylamino) borylene complexes of group 8 metals

Vidovic, Dragoslav, Pierce, Glesni A., Coombs, Natalie D., Kays, Deborah L. ORCID: https://orcid.org/0000-0002-4616-6001, Thompson, Amber L., Stasch, Andreas ORCID: https://orcid.org/0000-0002-7407-8287 and Aldridge, Simon 2010. Synthesis and structural characterization of terminal (diisopropylamino) borylene complexes of group 8 metals. Main Group Chemistry 9 (1-2) , pp. 57-65. 10.3233/mgc-2010-0005

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Abstract

The syntheses and first structural characterization of terminal (diisopropylamino)borylene complexes are reported. The 11B NMR chemical shifts for these novel systems (δB 93.8 and 90.2 for [Cp’Fe(CO)2(BNiPr2)][BArf4 ], 3, and [CpRu(CO)2(BNiPr2)][BArf4 ], 4, respectively) are ca. 40 ppm downfield of those measured for the boryl precursor complexes, consistent with observations for related trimethylsilyl and cyclohexylamino substituted compounds. Structurally, the linearity of the M – B – N fragment in each case and the marked shortening of theM–B bonds (cf. the single bonds found in boryl complexes CpFe(CO)2(BNiPr2)Cl, 1b, and CpRu(CO)2(BNiPr2)Cl, 2) reflect the fact that theM–B bond order in borylene systems 3 and 4 is between one and two.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Chemistry
Publisher:	IOS Press / Taylor & Francis
ISSN:	1024-1221
Date of Acceptance:	18 June 2010
Last Modified:	05 Jul 2024 11:15
URI:	https://orca.cardiff.ac.uk/id/eprint/170345

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