NCN-Type Pincer Complexes of Subporphyrinatoboron(III)
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The first NCN-type subporphyrin pincer complexes 3Pd and 3Pt have been synthesized via Suzuki coupling of 2,13-diborylsubporphyrin with 2-iodopyridine, followed by metalation with PdCl2(MeCN)2 or K2PtCl4, respectively. 2,13-Diiminosubporphyrin 4 was also prepared via formylation of 2,13-dilithiosubporphyrin followed by imination with aniline but was found to be unsuitable as a precursor of organometallic species. The complexes 3Pd and 3Pt displayed perturbed optical properties presumably due to the d(metal)π(subporphyrin) orbital interactions.
创建时间:
2017-05-26



