Meyer Fabio, Siumbeli Arina, Dostál Libor, Hupf Emanuel, Beckmann Jens
Institute for Inorganic Chemistry and Crystallography, University of Bremen Germany
Department of General and Inorganic Chemistry, Faculty of Chemical Technology, University of Pardubice Studentska, 573 Pardubice 532 10 Czech Republic
Chem Sci. 2025 Jul 18. doi: 10.1039/d5sc03320a.
The synthesis of arylpnictinidenes 2,6-(PhPNMes)CHPn based upon a novel bis(phosphine imine) NCN-pincer ligand is reported (Pn = As, Sb, Bi). The oxidation of 2,6-(PhPNMes)CHPn with sulfur, selenium and tellurium, respectively, afforded arylarsinidene chalcogenides 2,6-(PhPNMes)CHAsCh, arylstibinidene chalcogenides 2,6-(PhPNMes)CHSbCh and arylbismuthinidene chalcogenides 2,6-(PhPNMes)CHBiCh, which can be formulated as containing terminal As[double bond, length as m-dash]Ch, Sb[double bond, length as m-dash]Ch and Bi[double bond, length as m-dash]Ch double bonds. Based on the complementary bonding analysis, the bonding situation is best described in terms of bipolar Pn-Ch single bonds (Ch = S, Se, Te).
报道了基于新型双（膦亚胺）NCN钳形配体的芳基磷腈2,6-(PhPNMes)CHPn的合成（Pn = As、Sb、Bi）。分别用硫、硒和碲氧化2,6-(PhPNMes)CHPn，得到芳基亚砷烯硫族化物2,6-(PhPNMes)CHAsCh、芳基亚锑烯硫族化物2,6-(PhPNMes)CHSbCh和芳基亚铋烯硫族化物2,6-(PhPNMes)CHBiCh，它们可被认为含有末端As=Ch、Sb=Ch和Bi=Ch双键。基于互补键合分析，键合情况最好用双极Pn-Ch单键（Ch = S、Se、Te）来描述。
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