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Self-Assembly of {2}-Metallacryptands and {2}-Metallacryptates

✍ Scribed by Rolf W. Saalfrank; Verena Seitz; Dana L. Caulder; Kenneth N. Raymond; Markus Teichert; Dietmar Stalke

Publisher: John Wiley and Sons
Year: 1998
Tongue: English
Weight: 537 KB
Volume: 1998
Category: Article
ISSN: 1434-1948
DOI: 10.1002/(sici)1099-0682(199809)1998:9<1313::aid-ejic1313>3.0.co;2-j

No coin nor oath required. For personal study only.

✦ Synopsis

Reaction of H 2 L (1) with potassium or strontium hydride, or generated from the reaction of H 2 L (1) with only iron(III) chloride. The potassium metallacryptate 2aЈ was formed from lanthanum(III) chloride, followed by iron(III) chloride, yielded the {2}-ironcryptates 2a-c. The mono-, di-, and the triple-helicate 2d by addition of potassium carbonate.

The new compounds 2b, 2c, and 2d were unequivocally trivalent guest cations are endohedrally encapsulated. In contrast, the dinuclear trispyridinium ironcryptand 2d was characterised by X-ray diffraction analyses.

[᭛] Part 12: Ref. [5] ironcryptate 2a.

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