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Facile Synthesis of Tuneable Azophosphonium Salts
Author(s) -
Habraken Evi R. M.,
van der Zee Lars J. C.,
van de Vrande Koen N. A.,
Jupp Andrew R.,
Nieger Martin,
Ehlers Andreas W.,
Slootweg J. Chris
Publication year - 2019
Publication title -
european journal of inorganic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.667
H-Index - 136
eISSN - 1099-0682
pISSN - 1434-1948
DOI - 10.1002/ejic.201801546
Subject(s) - chemistry , nuclear magnetic resonance spectroscopy , aryl , spectroscopy , crystal structure , phosphorus , single crystal , crystallography , organic chemistry , alkyl , physics , quantum mechanics
Azophosphonium salts have a facile synthesis and can be readily tuned at the para position of the aryl group and at the phosphorus position with the use of bulky phosphines, leading to a range of coloured compounds. A relation between the Hammett σ + para constant and the colour and 31 P NMR chemical shift was explored. The compounds were characterised by NMR spectroscopy, UV/Vis spectroscopy and single‐crystal X‐ray structure crystallography.
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