Halide‐Substituted Phosphacyclohexadienyl Iron Complexes: Covalent Structures vs. Ion Pairs

Hoidn, Christian M.; Leitl, Julia; Ziegler, Christoph G. P.; Shenderovich, Ilya G.; Wolf, Robert

doi:10.1002/ejic.201801135

Cited by 9 publications

(6 citation statements)

References 63 publications

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“…The unusual monofluorophosphine 50 has been prepared by treatment of its anionic precursor with N-fluoropyridinium tetrafluoroborate which acts as an electrophilic source of F + (see Scheme 18) [77]. The P-F bond in 50 was shown to be covalent in the solid state The anthracene-derived monofluorophosphine L25 and the naphthalene-derived monofluorophosphine L26 were prepared from Cl 2 PF (Scheme 13) [52].…”

Section: Scheme 17 Monofluorophosphine Complexes Of Iron(0)mentioning

confidence: 99%

Monofluorophos–Metal Complexes: Ripe for Future Discoveries in Homogeneous Catalysis

Miles-Hobbs,

Pringle,

Woollins

et al. 2024

Molecules

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The discovery that cyclic (ArO)2PF can support Rh-catalysts for hydroformylation with significant advantages in tuning regioselectivity transformed the study of metal complexes of monofluorophos ligands from one of primarily academic interest to one with potentially important applications in catalysis. In this review, the syntheses of monofluorophosphites, (RO)2PF, and monofluorophosphines, R2PF, are discussed and the factors that control the kinetic stability of these ligands to hydrolysis and disproportionation are set out. A survey of the coordination chemistry of these two classes of monofluorophos ligands with d-block metals is presented, emphasising the bonding of the fluorophos to d-block metals, predominantly in low oxidation states. The application of monofluorophos ligands in homogeneous catalysis (especially hydroformylation and hydrocyanation) is discussed, and it is argued that there is great potential for monofluorophos complexes in future catalytic applications.

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Section: Scheme 17 Monofluorophosphine Complexes Of Iron(0)mentioning

confidence: 99%

Monofluorophos–Metal Complexes: Ripe for Future Discoveries in Homogeneous Catalysis

Miles-Hobbs,

Pringle,

Woollins

et al. 2024

Molecules

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“…Furthermore, the reaction of complex 56 with 2-(triphenyl- 5 -phosphanyl)acetonitrile led to the formation of 1,2-azaphosphole 59 (Scheme 18). 33,[48][49][50]…”

Section: Scheme 17mentioning

confidence: 99%

“…Heating of complex 60 in benzonitrile with sulfur gave the 2-sulfido-2H-1,2-azaphosphole 63 (Scheme 19). 33,[51][52][53]…”

Section: Scheme 18mentioning

confidence: 99%

“…When the reaction was performed with Ph 3 P=NCN in dry toluene, the 1,2-azaphosphole complex 70 was formed in high yield (Scheme 21). 33,55…”

Section: Scheme 20mentioning

confidence: 99%

“…23,24 Much attention has been directed to the synthesis of phosphorus heterocycles due to their wideranging utilities as synthetic intermediates in organic syntheses. [25][26][27][28][29][30][31] Among these phosphorus heterocycles, 1,2-azaphospholes, 1,2-azaphosphorines and 1,2-azaphosphepines are of interest in several laboratories due to their potent pharmacological activities such as antitumor, 32 complexing agents, 33,34 and inhibitor of mammalian dihydroorotase. 35 The present review is focused on the most methodologies for the construction of 1,2-azaphospholes, 1,2-azaphosphorines and 1,2-azaphosphepines up to the end of 2019 and to supplement the information available in literature.…”

Section: Introductionmentioning

confidence: 99%

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The synthesis of 1,2-azaphospholes, 1,2-azaphosphorines and 1,2-azaphosphepines

Hassanin¹,

Ali²,

Assiri³

et al. 2020

Arkivoc

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C=O‐Bindungsspaltung in Kohlendioxid durch einen Eisen(0)‐Phosphininkomplex

et al. 2019

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Neue Eisenkomplexe[ Cp*FeL] À (1-s und 1-p, Cp* = C 5 Me 5 )m it dem chelatisierenden Phosphininliganden 2-(2'-pyridyl)-4,6-diphenylphosphinin (L)w urden dargestellt und ihre Reaktion mit Kohlendioxid untersucht. Die Umsetzung mit CO 2 verläuft abhängig vom Koordinationsmodus von L in unterschiedlicher Weise.Mit dem Isomer 1-p,das eine h 4 -Koordination am Eisenatom aufweist, wird die elektrophile Addition an den Phosphininliganden unter Bildung des Komplexes 3-p beobachtet. Im Gegensatz hierzu reagiert das zweite Isomer 1-s,indem L als s-koordinierter [P,N]-Ligand vorliegt, zum C=O-Bindungsspaltungsprodukt 3-s.E ine solcheC O 2 -Spaltung wurdef ürs p äte 3d-Übergangsmetalle bisher sehr selten beobachtet, und wir berichten hier über das erste Beispiel mit einem einzelnen Eisenzentrum.

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Halide‐Substituted Phosphacyclohexadienyl Iron Complexes: Covalent Structures vs. Ion Pairs

Abstract: The coordination chemistry of phosphinines (phosphabenzenes) has been intensively investigated over the last decades, but metal complexes of halophosphinines and related halide-substituted phosphacyclohexadienyls have remained scarce.

Cited by 9 publications

References 63 publications

Monofluorophos–Metal Complexes: Ripe for Future Discoveries in Homogeneous Catalysis

Monofluorophos–Metal Complexes: Ripe for Future Discoveries in Homogeneous Catalysis

The synthesis of 1,2-azaphospholes, 1,2-azaphosphorines and 1,2-azaphosphepines

C=O‐Bindungsspaltung in Kohlendioxid durch einen Eisen(0)‐Phosphininkomplex

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