4.8 Article

Oxidative Metalation as a Route to Size-Mismatched Macrocyclic Complexes: Osmium Corroles

Journal

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 53, Issue 52, Pages 14411-14414

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201405890

Keywords

corroles; metalation; osmium; transition metals; X-ray diffraction

Funding

  1. Research Council of Norway
  2. Advanced Light Source, Berkeley, California
  3. Office of Science, Office of Basic Energy Sciences, of the U.S. Department of Energy [DE-AC02-05CH11231]

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Heavy-element corroles are of great interest as optical sensors, near-IR dyes, phosphors, organic light-emitting diodes, and anticancer compounds. Insertion of 5d metals into corroles, however, is often a difficult and unpredictable process. Against this backdrop, oxidative metalation of meso triarylcorroles with [Os-3(CO)(12)]/NaN3 in refluxing 1:2 diethylene glycol monomethyl ether/glycol has provided a convenient and relatively high-yielding route to nitridoosmium(VI) corroles, three of which could be characterized with single-crystal X-ray structure analysis.

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