Diboron complexes of binucleating bis(amidinate) ligands

Zheng Lu; Nicholas J. Hill; Michael Findlater; Alan H. Cowley

doi:10.1016/j.ica.2006.02.008

Diboron complexes of binucleating bis(amidinate) ligands

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

Chemistry and Biochemistry

Research output: Contribution to journal › Article › peer-review

15 Scopus citations

Abstract

The synthesis and X-ray crystal structures of the following bis(amidinate)-substituted boron halides are reported: 1,3-C₆H₄[C{N(SiMe₃)}₂BCl₂]₂ (3), 1,4-C₆H₄[C{N(SiMe₃)}₂BCl₂]₂ (4), 1,4-C₆H₄[C{N(SiMe₃)}₂B(Ph)Cl]₂ (5), 1,4-C₆H₄[C{NCy}₂BCl₂]₂ (6), and 1,4-C₆H₄[C{NCy}₂B(Ph)Cl]₂ (7). Compounds 3-5 were prepared by trimethylsilyl chloride elimination, while 6 and 7 were prepared via salt metathesis reactions of the appropriate dilithium bis(amidinates) with BCl₃ or PhBCl₂. The molecular structures of complexes 3, 5, and 6 were determined by single-crystal X-ray diffraction, along with that of the free bis(amidine) 1a.

Original language	English
Pages (from-to)	1316-1322
Number of pages	7
Journal	Inorganica Chimica Acta
Volume	360
Issue number	4
DOIs	https://doi.org/10.1016/j.ica.2006.02.008
State	Published - Mar 1 2007

Keywords

Bis(amidinate)
Boron
X-ray crystal structure

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@article{0da242950d9546d58b42d149f65cebc6,

title = "Diboron complexes of binucleating bis(amidinate) ligands",

abstract = "The synthesis and X-ray crystal structures of the following bis(amidinate)-substituted boron halides are reported: 1,3-C6H4[C{N(SiMe3)}2BCl2]2 (3), 1,4-C6H4[C{N(SiMe3)}2BCl2]2 (4), 1,4-C6H4[C{N(SiMe3)}2B(Ph)Cl]2 (5), 1,4-C6H4[C{NCy}2BCl2]2 (6), and 1,4-C6H4[C{NCy}2B(Ph)Cl]2 (7). Compounds 3-5 were prepared by trimethylsilyl chloride elimination, while 6 and 7 were prepared via salt metathesis reactions of the appropriate dilithium bis(amidinates) with BCl3 or PhBCl2. The molecular structures of complexes 3, 5, and 6 were determined by single-crystal X-ray diffraction, along with that of the free bis(amidine) 1a.",

keywords = "Bis(amidinate), Boron, X-ray crystal structure",

author = "Zheng Lu and Hill, {Nicholas J.} and Michael Findlater and Cowley, {Alan H.}",

note = "Funding Information: We gratefully acknowledge the National Science Foundation (Grant CHE-0240008) and the Robert A. Welch Foundation (Grant F-135) for support of this work. We also thank Jennifer A. Moore for collection of the X-ray diffraction data for compound 4 . ",

year = "2007",

month = mar,

day = "1",

doi = "10.1016/j.ica.2006.02.008",

language = "English",

volume = "360",

pages = "1316--1322",

journal = "Inorganica Chimica Acta",

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TY - JOUR

T1 - Diboron complexes of binucleating bis(amidinate) ligands

AU - Lu, Zheng

AU - Hill, Nicholas J.

AU - Findlater, Michael

AU - Cowley, Alan H.

N1 - Funding Information: We gratefully acknowledge the National Science Foundation (Grant CHE-0240008) and the Robert A. Welch Foundation (Grant F-135) for support of this work. We also thank Jennifer A. Moore for collection of the X-ray diffraction data for compound 4 .

PY - 2007/3/1

Y1 - 2007/3/1

N2 - The synthesis and X-ray crystal structures of the following bis(amidinate)-substituted boron halides are reported: 1,3-C6H4[C{N(SiMe3)}2BCl2]2 (3), 1,4-C6H4[C{N(SiMe3)}2BCl2]2 (4), 1,4-C6H4[C{N(SiMe3)}2B(Ph)Cl]2 (5), 1,4-C6H4[C{NCy}2BCl2]2 (6), and 1,4-C6H4[C{NCy}2B(Ph)Cl]2 (7). Compounds 3-5 were prepared by trimethylsilyl chloride elimination, while 6 and 7 were prepared via salt metathesis reactions of the appropriate dilithium bis(amidinates) with BCl3 or PhBCl2. The molecular structures of complexes 3, 5, and 6 were determined by single-crystal X-ray diffraction, along with that of the free bis(amidine) 1a.

AB - The synthesis and X-ray crystal structures of the following bis(amidinate)-substituted boron halides are reported: 1,3-C6H4[C{N(SiMe3)}2BCl2]2 (3), 1,4-C6H4[C{N(SiMe3)}2BCl2]2 (4), 1,4-C6H4[C{N(SiMe3)}2B(Ph)Cl]2 (5), 1,4-C6H4[C{NCy}2BCl2]2 (6), and 1,4-C6H4[C{NCy}2B(Ph)Cl]2 (7). Compounds 3-5 were prepared by trimethylsilyl chloride elimination, while 6 and 7 were prepared via salt metathesis reactions of the appropriate dilithium bis(amidinates) with BCl3 or PhBCl2. The molecular structures of complexes 3, 5, and 6 were determined by single-crystal X-ray diffraction, along with that of the free bis(amidine) 1a.

KW - Bis(amidinate)

KW - Boron

KW - X-ray crystal structure

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U2 - 10.1016/j.ica.2006.02.008

DO - 10.1016/j.ica.2006.02.008

M3 - Article

AN - SCOPUS:33846841061

SN - 0020-1693

VL - 360

SP - 1316

EP - 1322

JO - Inorganica Chimica Acta

JF - Inorganica Chimica Acta

IS - 4

ER -

Diboron complexes of binucleating bis(amidinate) ligands

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Keywords

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