Koordination und Chemie von Acetylenen an dicarbonylbis(tirmethlphosphit)eisen-fragmenten

Birk, Reiner; Größmann, Ulrich; Hund, Hans-Ulrich; Berke, Heinz

doi:10.1016/0022-328x(88)80096-2

Cited by 33 publications

(13 citation statements)

References 6 publications

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“…[53][54][55][56] These molecules are structurally quite similar to 43-45. It is interesting to note that the authors did not report these complexes as aromatic, though they do have some characteristics suggesting that delocalization is present.…”

Section: Osmabenzofuranmentioning

confidence: 94%

Recent Advances in Metallabenzene Chemistry

2006

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Research into aromatic metallacycles, though discussed in the literature over the last quarter century, has undergone a major expansion since 2000. A wide variety of new metallabenzenes, encompassing new synthetic methods and new metal centers, is now available. New aromatic metallacycle topologies (iridanaphthalene, osmabenzynes) have been isolated and characterized. The first metallabenzene valence isomers (iridabenzvalenes, rhodabenzvalenes) and constitutional isomers (isoosmabenzenes) are now known. This review discusses the synthesis, chemistry, and physical properties of these intriguing aromatic compounds.

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Section: Osmabenzofuranmentioning

confidence: 94%

Recent Advances in Metallabenzene Chemistry

2006

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“…Although examples of these compounds are still relatively rare as well, the large possible number of variationsi nr ing size, heteroatom choice, degree of saturation and substitution (as well as possible isomers) suggests this could potentially developi nto av ery large set of compounds. Compounds in this class that have already been reported [117] include metallabenzothiirenes, [37,46,78] metallabenzoxirenes, [59,129] metallabenzazirines [59] metallabenzofurans, [91,[130][131][132][133][134] metallabenzothiophenes, [73,135] metallabenzothiazole, [52] metallabenzothiazolium, [78] and metallabenzoxathioles. [59,117] Formation of the ruthenabenzothiophene dimer 24,( am etalla-analogue of benzo[b]thiophene) was recently reportedt o occur via CÀHa ctivation of the thiophenes ubstituent of ac oordinated vinyl carbene ligand.…”

Section: Fused-ring Metallabenzenesmentioning

confidence: 99%

Section: Metallabenzenesmentioning

confidence: 99%

Recent Advances in Metallaaromatic Chemistry

Frogley

Wright

2017

Chemistry A European J

145

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Metallaaromatics can be broadly defined as aromatic compounds in which one of the ring atoms is a transition metal. The metallabenzenes are one important class of these compounds that has undergone extensive study recently. Closely related species such as fused-ring metallabenzenes, heterometallabenzenes, π-coordinated metallabenzenes and metallabenzynes have also attracted considerable attention. Although many metallaaromatics can be considered as metalla-analogues of classic organic aromatic compounds, this is not always the case. Recent seminal studies have shown that metallapentalenes and metallapentalynes, which are metalla-analogues of the anti-aromatic compounds pentalene and pentalyne, are in fact aromatic and highly stable. Very unusual spiro-metallaaromatic compounds have also recently been isolated. In this concepts article, key features of all these intriguing metallaaromatic compounds are discussed with reference to the structural, spectroscopic, reactivity and theoretical studies that have been undertaken. These compounds continue to generate much interest, not only because of the contributions they make to fundamental chemical understanding, but also because of the promise of possible practical applications.

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“…A related complex 165, which can be described as a fused-ring metallacyclohexadiene, was identified as the major product when 162 was chosen as the reactant (Scheme 52). 205,206 As mentioned in section 3.1.2, one of the methods to synthesize η 6 -coordinated metallabenzenes is a direct method which does not use free metallabenzenes, and the synthesis of several η 6 -ruthenabenzenes has been described. This methodology can also be extended for the synthesis of metallabenzenes based on other metals.…”

Section: Synthesis Of Metallabenzenes Based On Othermentioning

confidence: 99%

Metallaaromatic Chemistry: History and Development

2020

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Since the prediction of the existence of metallabenzenes in 1979, metallaaromatic chemistry has developed rapidly, due to its importance in both experimental and theoretical fields. Now six major types of metallaromatic compounds, metallabenzenes, metallabenzynes, heterometallaaromatics, dianion metalloles, metallapentalenes and metallapentalynes (also termed carbolongs), and spiro metalloles, have been reported and extensively studied. Their parent organic analogues may be aromatic, non-aromatic, or even anti-aromatic. These unique systems not only enrich the large family of aromatics, but they also broaden our understanding and extend the concept of aromaticity. This review provides a comprehensive overview of metallaaromatic chemistry. We have focused on not only the six major classes of metallaaromatics, including the main-group-metal-based metallaaromatics, but also other types, such as metallacyclobutadienes and metallacyclopropenes. The structures, synthetic methods, and reactivities are described, their applications are covered, and the challenges and future prospects of the area are discussed. The criteria commonly used to judge the aromaticity of metallaaromatics are presented.

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Koordination und Chemie von Acetylenen an dicarbonylbis(tirmethlphosphit)eisen-fragmenten

Cited by 33 publications

References 6 publications

Recent Advances in Metallabenzene Chemistry

Recent Advances in Metallabenzene Chemistry

Recent Advances in Metallaaromatic Chemistry

Metallaaromatic Chemistry: History and Development

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