3 years ago

NCN-Type Pincer Complexes of Subporphyrinatoboron(III)

NCN-Type Pincer Complexes of Subporphyrinatoboron(III)
Takayuki Tanaka, Atsuhiro Osuka, Masaaki Kitano
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.

Publisher URL: http://dx.doi.org/10.1021/acs.organomet.7b00130

DOI: 10.1021/acs.organomet.7b00130

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