A Paramagnetic Heterobimetallic Polymer: Synthesis, Reactivity, and Ring-Opening Polymerization of Tin-Bridged Homo- and Heteroleptic Vanadoarenophanes
Alexander Damme
1
,
Serhiy Demeshko
2
,
Klaus Dück
1
,
Thomas Kramer
1
,
Ivo Krummenacher
1
,
Franc Meyer
2
,
Krzysztof Radacki
1
,
Sascha Stellwag Konertz
1
,
George R. Whittell
3
Publication type: Journal Article
Publication date: 2015-01-21
scimago Q1
wos Q1
SJR: 5.554
CiteScore: 22.5
Impact factor: 15.6
ISSN: 00027863, 15205126
PubMed ID:
25565127
General Chemistry
Catalysis
Biochemistry
Colloid and Surface Chemistry
Abstract
The synthesis of the first tin-bridged bis(benzene) vanadium and trovacene sandwich compounds and the investigation of their oxidative addition and insertion behavior are reported. The vanadoarenophanes and the corresponding platinum insertion products were fully characterized including electrochemical and electron paramagnetic resonance (EPR) measurements. Controllable ring-opening polymerization of the heteroleptic tin-bridged [1]trovacenophane using Karstedt's catalyst yields a high molecular weight polymer (up to M(n) = 89 200 g·mol(-1)) composed of d(5)-vanadium metal centers in the main chain, making it a rare example of a spin-carrying macromolecule. Magnetic susceptibility measurements (SQUID) confirm the paramagnetic scaffold with repeating S = 1/2 centers in the main chain and suggest antiferromagnetic interactions between adjacent spin sites (Weiss constant Θ = -2.9 K).
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Total citations:
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Citations from 2025:
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Braunschweig H. et al. A Paramagnetic Heterobimetallic Polymer: Synthesis, Reactivity, and Ring-Opening Polymerization of Tin-Bridged Homo- and Heteroleptic Vanadoarenophanes // Journal of the American Chemical Society. 2015. Vol. 137. No. 4. pp. 1492-1500.
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Braunschweig H., Damme A., Demeshko S., Dück K., Kramer T., Krummenacher I., Meyer F., Radacki K., Stellwag Konertz S., Whittell G. R. A Paramagnetic Heterobimetallic Polymer: Synthesis, Reactivity, and Ring-Opening Polymerization of Tin-Bridged Homo- and Heteroleptic Vanadoarenophanes // Journal of the American Chemical Society. 2015. Vol. 137. No. 4. pp. 1492-1500.
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RIS
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TY - JOUR
DO - 10.1021/ja510884h
UR - https://doi.org/10.1021/ja510884h
TI - A Paramagnetic Heterobimetallic Polymer: Synthesis, Reactivity, and Ring-Opening Polymerization of Tin-Bridged Homo- and Heteroleptic Vanadoarenophanes
T2 - Journal of the American Chemical Society
AU - Braunschweig, Holger
AU - Damme, Alexander
AU - Demeshko, Serhiy
AU - Dück, Klaus
AU - Kramer, Thomas
AU - Krummenacher, Ivo
AU - Meyer, Franc
AU - Radacki, Krzysztof
AU - Stellwag Konertz, Sascha
AU - Whittell, George R.
PY - 2015
DA - 2015/01/21
PB - American Chemical Society (ACS)
SP - 1492-1500
IS - 4
VL - 137
PMID - 25565127
SN - 0002-7863
SN - 1520-5126
ER -
Cite this
BibTex (up to 50 authors)
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@article{2015_Braunschweig,
author = {Holger Braunschweig and Alexander Damme and Serhiy Demeshko and Klaus Dück and Thomas Kramer and Ivo Krummenacher and Franc Meyer and Krzysztof Radacki and Sascha Stellwag Konertz and George R. Whittell},
title = {A Paramagnetic Heterobimetallic Polymer: Synthesis, Reactivity, and Ring-Opening Polymerization of Tin-Bridged Homo- and Heteroleptic Vanadoarenophanes},
journal = {Journal of the American Chemical Society},
year = {2015},
volume = {137},
publisher = {American Chemical Society (ACS)},
month = {jan},
url = {https://doi.org/10.1021/ja510884h},
number = {4},
pages = {1492--1500},
doi = {10.1021/ja510884h}
}
Cite this
MLA
Copy
Braunschweig, Holger, et al. “A Paramagnetic Heterobimetallic Polymer: Synthesis, Reactivity, and Ring-Opening Polymerization of Tin-Bridged Homo- and Heteroleptic Vanadoarenophanes.” Journal of the American Chemical Society, vol. 137, no. 4, Jan. 2015, pp. 1492-1500. https://doi.org/10.1021/ja510884h.