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Nature of the heavy formal double bonds As=Ch, Sb=Ch and Bi=Ch (Ch = S, Se, Te) in NCN-pincer supported arsinidene, stibinidene and bismuthinidene chalcogenides
Authors: Meyer Fabio | Siumbeli Arina | Dostál Libor | Hupf Emanuel | Beckmann Jens
Year: 2025
Type of publication: článek v odborném periodiku
Name of source: Chemical Science
Publisher name: Royal Society of Chemistry
Place: Cambridge
Page from-to: 16232-16239
Titles:
Language Name Abstract Keywords
cze Povaha chemických vazeb As=Ch, Sb=Ch and Bi=Ch (Ch = S, Se, Te) in NCN-pincer podporovaných arsenitých, antimonitých a bismutitých chalkogenidech Je popsána syntézy nových NCN chelatovaných pniktinidenů a jejich reaktivita se sírou, selenem a tellurem vedoucí k izolaci polarizovaných dvojných vazeb +Pn-Ch- single bonds (Ch = S, Se, Te). n,c,n-chelated pniktinideny; oxidativní adice; reaktivita
eng Nature of the heavy formal double bonds As=Ch, Sb=Ch and Bi=Ch (Ch = S, Se, Te) in NCN-pincer supported arsinidene, stibinidene and bismuthinidene chalcogenides The synthesis of arylpnictinidenes 2,6-(Ph2PNMes)2C6H3Pn based upon a novel bis(phosphine imine) NCN-pincer ligand is reported (Pn = As, Sb, Bi). The oxidation of 2,6-(Ph2PNMes)2C6H3Pn with sulfur, selenium and tellurium, respectively, afforded arylarsinidene chalcogenides 2,6-(Ph2PNMes)2C6H3AsCh, arylstibinidene chalcogenides 2,6-(Ph2PNMes)2C6H3SbCh and arylbismuthinidene chalcogenides 2,6-(Ph2PNMes)2C6H3BiCh, which can be formulated as containing terminal AsCh, SbCh and BiCh 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). n,c,n-chelated pnictinidenes; oxidative addition; reactivity