2019
DOI: 10.1002/ange.201908885
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Dianionic Mononuclear Cyclo‐P4 Complexes of Zero‐Valent Molybdenum: Coordination of the Cyclo‐P4 Dianion in the Absence of Intramolecular Charge Transfer

Abstract: Relative to other cyclic poly‐phosphorus species (that is, cyclo‐Pn), the planar cyclo‐P4 group is unique in its requirement of two additional electrons to achieve aromaticity. These electrons are supplied from one or more metal centers. However, the degree of charge transfer is dependent on the nature of the metal fragment. Unique examples of dianionic mononuclear η4‐P4 complexes are presented that can be viewed as the simple coordination of the [cyclo‐P4]2− dianion to a neutral metal fragment. Treatment of t… Show more

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Cited by 8 publications
(1 citation statement)
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“…could show that a cyclo ‐P 4 ligand in molybdenum complexes, for example, in [(CNAr Dipp2 )MoI 2 (CO)(η 4 ‐P 4 )] ( J ), stays intact upon reduction under formation of the dianionic complex [K 2 (db‐18‐c‐6)][(CNAr Dipp2 )Mo(CO)(η 4 ‐P 4 )] ( K , Scheme 1). [8] The subsequent chemistry of these anionic complexes is only barely investigated. Compound C can be quenched with chlorophosphanes to form neutral complexes with a disubstituted five‐membered P 5 R 2 ligand [4] .…”
Section: Introductionmentioning
confidence: 99%
“…could show that a cyclo ‐P 4 ligand in molybdenum complexes, for example, in [(CNAr Dipp2 )MoI 2 (CO)(η 4 ‐P 4 )] ( J ), stays intact upon reduction under formation of the dianionic complex [K 2 (db‐18‐c‐6)][(CNAr Dipp2 )Mo(CO)(η 4 ‐P 4 )] ( K , Scheme 1). [8] The subsequent chemistry of these anionic complexes is only barely investigated. Compound C can be quenched with chlorophosphanes to form neutral complexes with a disubstituted five‐membered P 5 R 2 ligand [4] .…”
Section: Introductionmentioning
confidence: 99%