Transition Metal Complexes of a Constrained Phosphite Ester. III. Metal Carbonyl Complexes of 4-Methyl-2,6,7-trioxa-l-phosphabicyclo [2.2.2]octane

Verkade, J. G.; McCarley, Robert E.; Hendricker, David G.; King, Roy W.

doi:10.1021/ic50024a022

Cited by 47 publications

(35 citation statements)

References 2 publications

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“…inability of various workers (15,16,17) Finally, the discovery that two of the peaks in the CO stretching region of els-M(C0)4(P(0CH2)3CCH3)2 reported here were at the same frequency as the two "extra" peaks in the spectra of the analogous trans compounds attributed previously (I3) to the reduction of symmetry by the ligands led us to suspect the purity of trans compounds discussed earlier (13). The trans isomers of these complexes where L is either P(0CH2)3CCHg or P(0CH)2(CH2)o (14) are shown to indeed exhibit only one y(C-O) band whereas the cis compounds exhibit three.…”

Section: Discussionsupporting

confidence: 56%

“…In a doctoral dissertation (12) Hendricker described the metal carbonyl complexes which were subsequently reported in the literature (13,14). The general results of the above investigations are that crystalline metal complexes can be isolated, many of which exhibit maximum co ordination numbers for the metal with only polycyclic phosphite ligands in the coordination sphere.…”

Section: Cchg With Cobalt(iii) Cobalt(i) Nickel(ii) and Nickel(o)mentioning

confidence: 99%

“…and P(aGH2)gGCHg. Further more in the metal carbonyl work (13,14), the possibility of dative pi-bonding from the metal d orbitals to the phosphorus d orbitals was mentioned. Such pi-bonding could explain the high CO stretching frequencies in these compounds.…”

Section: Cchg With Cobalt(iii) Cobalt(i) Nickel(ii) and Nickel(o)mentioning

confidence: 99%

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Synthesis, characterization and metal carbonyl complex formation of polycyclic phosphorus ligands

Vandenbroucke

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Section: Discussionsupporting

confidence: 56%

Section: Cchg With Cobalt(iii) Cobalt(i) Nickel(ii) and Nickel(o)mentioning

confidence: 99%

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Synthesis, characterization and metal carbonyl complex formation of polycyclic phosphorus ligands

Vandenbroucke

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“…Ordnung interpretieren. Sie zeigen die fu È r transsta È ndige Me 2 P-Gruppen typischen Pseudo-Tripletts von (AX 6 ) 2 -Spinsystemen (A = P, X = H) [10, 16,17]. Prinzipiell ist von der Bildung zweier Isomerer auszugehen, die sich nur in der relativen Anordnung der Liganden Cl und CO (syn oder anti) zur Rh 2 P 4 -Ebene unterscheiden.…”

Section: H-nmr-spektrenunclassified

Neue Rhodium(I)-Komplexe mit Donor/Akzeptor-Chelatliganden

Bartz

Grobe

Lütke-Brochtrup

et al. 2001

Z. anorg. allg. Chem.

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“…The monosubstituted replacement compounds are always easily ob tained at room temperature and the disubstituted at higher temperatures (188,159,160).…”

Section: Survey Of Reported Carbonyl Compoundsmentioning

confidence: 99%

Chemistry of Zerovalent Nickel, Palladium, and Platinum Derivatives

Malatesta¹,

Ugo²,

Cenini³

1967

Werner Centennial

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The chemistry of the zerovalent state in nickel, palladium, and platinum compounds is reviewed. After a historical introduction in which the development of this chemistry is analyzed in terms of the current theory of the stabilization of low valency states, the most interesting classes of zero valent compounds are described. The stability and properties of these compounds are discussed and related to the nature of the ligands and the coordinated metal. The catalytic properties of these zerovalent derivatives toward olefins, diolefins, and acetylenes are considered in connection with the facility of ligands exchange, the varia tion of coordination number, and the stereochemistry. A discussion of the π bond is reported.'he first coordination compound with a low oxidation number, tetracarbonylnickel (HI), was discovered in 1890. Despite extensive efforts, however, very few substances of this type were synthesized in the next 50 years.The lack of any knowledge on the structure and bonds of these com pounds was responsible for the poor results. In fact, when tetracarbonylnickel was first prepared, Werner's theory had not as yet been postulated, and even later the theory was not extended to the carbonyls because they were considered anomalous compounds, owing to their chemical and physical properties.The studies on coordination compounds with the central metal in a low oxidation state began to fluorish just prior to World War II. Nickel, palladium, and platinum were particularly investigated for the following reasons:318

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Transition Metal Complexes of a Constrained Phosphite Ester. III. Metal Carbonyl Complexes of 4-Methyl-2,6,7-trioxa-l-phosphabicyclo [2.2.2]octane

Cited by 47 publications

References 2 publications

Synthesis, characterization and metal carbonyl complex formation of polycyclic phosphorus ligands

Synthesis, characterization and metal carbonyl complex formation of polycyclic phosphorus ligands

Neue Rhodium(I)-Komplexe mit Donor/Akzeptor-Chelatliganden

Chemistry of Zerovalent Nickel, Palladium, and Platinum Derivatives

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