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Tungsten( VI ) Complexes Derived from Calix[6]‐ and ‐[8]arenes: Oxo and Oxychloride Species
Author(s) -
Redshaw Carl,
Elsegood Mark R. J.
Publication year - 2003
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.200300092
Subject(s) - chemistry , tungsten , toluene , calixarene , medicinal chemistry , stereochemistry , polymer chemistry , organic chemistry , molecule
Treatment of p ‐ tert ‐butylcalix[6]areneH 6 (H 6 L) or p ‐ tert ‐butylcalix[8]areneH 8 (H 8 L 1 ) with 2 equiv. of [WOCl 4 ] in refluxing toluene affords, after workup, the complexes [(WOCl 2 ) 2 LH 2 ] ( 1 ) and [{WO(NCMe)} 2 L 1 ] ( 2 ), respectively. The molecular structures of 1 and 2 have been determined and reveal conformationally constrained macrocyclic rings. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2003)
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