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Zinc-Aldehyde Complexes with Weakly Coordinating Anions

✍ Scribed by Bodo Müller; Heinrich Vahrenkamp

Publisher
John Wiley and Sons
Year
1999
Tongue
English
Weight
208 KB
Volume
1999
Category
Article
ISSN
1434-1948

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✦ Synopsis

Zinc salts of low or zero water content were obtained from isolated and identified by crystal structure determinations. All contain octahedral zinc to which 2, 3, 4, 5, or 6 aldehyde the hexahydrates of zinc nitrate, zinc perchlorate, and zinc tetrafluoroborate by dehydration with triethoxymethane or ligands are bound. Water, ethanol, and acetonitrile molecules act as coligands. Of the anions employed, BF 4 -and SbCl 6 by solvation with acetonitrile or nitromethane. The compounds incorporated aldehydes as ligands when treated were found to be only noncoordinating and NO 3 -only coordinating, whereas complexes with one or two with an excess of the aromatic aldehydes benzaldehyde, mesitylaldehyde, 2-chlorobenzaldehyde, and 4-fluoro-perchlorate ligands were obtained in addition to perchlorate salts. benzaldehyde. Eighteen zinc-aldehyde complexes were [ ] Part 1: Ref. thermore, aliphatic aldehydes were preferentially con-

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