Kohlenwasserstoffverbrückte Komplexe, XXVII. C—C‐Kupplung von ungesättigten Kohlenwasserstoffen in anionischen und kationischen Komplexen. Addition der Anionen von μ1‐(Diphenylmethan)1‐, μ1‐Fluoren‐und μ1‐(9,10‐Dihydroanthracen)1‐bis(tricarbonylchrom) an koordinierte Olefin‐, Benzol‐, Cyclohexadienyl‐, Cycloheptadienyl‐und Cycloheptatrienyl‐Liganden

Wieser, Michael; Karaghiosoff, Konstantin; Beck, Wolfgang

doi:10.1002/cber.19931260504

Cited by 30 publications

(1 citation statement)

References 63 publications

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“…The coordinatively unsaturated mixed-sandwich compounds Mf^-CXH^X^-CgtX) [M = Zr (66) or Hf (121)], upon treatment with PMe3, are transformed into the 18-electron complexes M(?/7-C7H7X?/5-C9H7)-(PMes). With the bidentate dmpe, the hafnium complex 121 converts into the bridged dimer 122 of which the crystal structure has been determined (Scheme 51).28 Addition of Lewis bases to coordinatively saturated complexes may induce a hapticity change of the C7 ring.…”

Section: Lewis Base Addition and Ring Slippage Reactionsmentioning

confidence: 99%

Cycloheptatriene and -enyl Complexes of the Early Transition Metals

Green¹,

Ng²

1995

Chem. Rev.

143

119

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Section: Lewis Base Addition and Ring Slippage Reactionsmentioning

confidence: 99%

Cycloheptatriene and -enyl Complexes of the Early Transition Metals

Green¹,

Ng²

1995

Chem. Rev.

143

119

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Addition of Stabilized Carbanions to Cationic (η6-Arene)tricarbonylmanganese Complexes: Syntheses of Homo (Mn–Mn) and Hetero (Mn–Cr) Dinuclear Complexes

Rose¹,

Corre-Susanne

Rose‐Munch

et al. 1999

Eur. J. Inorg. Chem.

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The reaction of secondary α‐cyano or α‐sulfonyl carbanions with cationic (η6‐arene)tricarbonylmanganese complexes affords neutral mono‐ and dinuclear tricarbonyl(η5‐cyclohexadienyl)manganese complexes. The X‐ray analyses of three (η5‐cyclohexadienyl)Mn complexes (two mononuclear and one dinuclear) obtained by addition of α‐cyano carbanion to cationic (η6‐arene)manganese complexes are reported. The addition of benzylic carbanions of (η6‐arene)tricarbonylchromium complexes to cationic (η6‐arene)manganese complexes gives rise to the formation of the corresponding heterodinuclear [(η5‐cyclohexadienyl)manganese–(η6‐arene)chromium] complexes.

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Cationic (η⁶‐arene)‐ and Neutral (η⁵‐cyclohexadienyl)‐tricarbonylmanganese Complexes: Synthesis and Reactivity

Rose‐Munch

Rose

Eloi

2010

Patai's Chemistry of Functional Groups

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The tricarbonyl‐chromium and ‐manganese groups are known to easily coordinate arene rings to form η 6 ‐arene complexes. The electrophilic nature of the tricarbonyl metal fragments makes the arene electron‐deficient and renders it susceptible to nucleophilic attack. It is for these reasons that a new trend has emerged, the study of the chemistry of (η 5 ‐cyclohexadienyl)Mn(CO) 3 complexes which are easily obtained by addition of a nucleophile to the arene ring. In the last ten years, the discovery of new methods of functionalization involving Pd cross‐coupling and lithiation reactions has greatly expanded the scope of the (η 5 ‐cyclohexadienyl)Mn(CO) 3 complexes and consequently represents a key step in the development of the arene manganese chemistry since [(η 6 ‐arene)Mn(CO) 3 ] + complexes can be easily obtained by rearomatization of the corresponding (η 5 ‐cyclohexadienyl)Mn derivatives. The present review aims to describe the situation for the synthesis and the reactivity of η 6 ‐arene‐Mn complexes as well as that of η 5 ‐cyclohexadienyl‐Mn complexes to highlight the recent breakthrough in their chemistry. The main reactivities described for η 5 Mn complexes correspond to nucleophilic addition, lithiation/electrophilic quench, lithium/halogen exchange and Pd catalyzed reactions. These types of reactions can be efficiently compared with those well studied in η 6 arenetricarbonylchromium complexes. All these recent developments in the functionalization of η 5 ‐ and η 6 ‐Mn complexes described in this chapter clearly open a revival period for this type of complexes which are starting to emerge as a valuable and versatile class of compounds more environmentally friendly than their Cr analogs.

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Abstract: M4lChem.

Cited by 30 publications

References 63 publications

Cycloheptatriene and -enyl Complexes of the Early Transition Metals

Cycloheptatriene and -enyl Complexes of the Early Transition Metals

Addition of Stabilized Carbanions to Cationic (η6-Arene)tricarbonylmanganese Complexes: Syntheses of Homo (Mn–Mn) and Hetero (Mn–Cr) Dinuclear Complexes

Cationic (η⁶‐arene)‐ and Neutral (η⁵‐cyclohexadienyl)‐tricarbonylmanganese Complexes: Synthesis and Reactivity

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Abstract: M4lChem.

Cited by 30 publications

References 63 publications

Cycloheptatriene and -enyl Complexes of the Early Transition Metals

Cycloheptatriene and -enyl Complexes of the Early Transition Metals

Addition of Stabilized Carbanions to Cationic (η6-Arene)tricarbonylmanganese Complexes: Syntheses of Homo (Mn–Mn) and Hetero (Mn–Cr) Dinuclear Complexes

Cationic (η6‐arene)‐ and Neutral (η5‐cyclohexadienyl)‐tricarbonylmanganese Complexes: Synthesis and Reactivity

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Cationic (η⁶‐arene)‐ and Neutral (η⁵‐cyclohexadienyl)‐tricarbonylmanganese Complexes: Synthesis and Reactivity