Environmentally Friendly, Photochemical Access to [ N∧C∧N ]AuIII Pincer Complexes By Oxidative Addition.
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ABSTRACT: Starting from commercially available DMSAuCl and diazonium salts, cationic [ N∧C∧N ]AuIII complexes were synthesized in a selective, photosensitizer-free, photochemical reaction by irradiation with blue LED light. This new protocol represents the first easy synthesis of these types of pincer complexes in moderate to excellent yield starting from a readily available gold(I) precursor with nitrogen as the only by-product. Owing to the disadvantages of known protocols, especially the toxicity in the case of a transmetalation with mercury or the necessity for a mostly twofold excess of a gold precursor, this method offers an attractive alternative towards this kind of gold(III) complexes. In addition, the first arylated [ N∧C∧N ]Au(III) pincer complex was synthesized by using this technology.
SUBMITTER: Eppel D
PROVIDER: S-EPMC8252402 | biostudies-literature |
REPOSITORIES: biostudies-literature
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