1959
DOI: 10.1002/cber.19590921041
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Über gemischte Cyclooctatrien‐metall‐carbonyl‐π‐Komplexe des Chroms, Molybdäns, Wolframs und Eisens

Abstract: Synthese des 2-Phenyl-5-trityi-pyridins ( I V)Reaktion rnit Phenyl-lithium: Wir lieBen eine UIsung von 2.0 g 2-Chlor-5-trityl-pyridin (5.6 mMol)lo) in 30 ccm absol. Tetrahydrofuran in 15 mMol Ither. Phenyl-IithiumlSsung einflieBen. Nach mehrstdg. Kochen ergab Hydrolyse und Abdunsten des Athers einen dunklen Bligen Rllckstand, der in Benzol aufgenommen und rnit SalzsIure von basischen Anteilen befreit wurde. Nach Reinigung an A1203 wurde der Ruckstand der BenzollSsung i. Hochvak. sublimiert. Digerieren des Subl… Show more

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Cited by 35 publications
(4 citation statements)
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“…Little is known about the trinuclear complex, although a structure has been suggested (34) in which the two originally uncomplexed double bonds of two cycloheptatriene rings are attached to a third Fe(CO)3 group. Fischer, Palm and Fritz (105) reported that thermal reaction of an isomeric mixture of the trienes with any of the iron carbonyls gave two products: (a) a golden yellow liquid C8Hi0Fe(CO)3, m.p. 8°, which was thought to contain the 1,3,6-isomer (XXI) bonded to iron by its conjugate double bonds; this formulation was based on a comparison of its infrared spectrum with those of the pure isomers, (b) a red crystalline solid Fe2C26Hi206, for which no structure was suggested.…”
Section: Cycloheptatriene Iron Carbonylsmentioning
confidence: 99%
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“…Little is known about the trinuclear complex, although a structure has been suggested (34) in which the two originally uncomplexed double bonds of two cycloheptatriene rings are attached to a third Fe(CO)3 group. Fischer, Palm and Fritz (105) reported that thermal reaction of an isomeric mixture of the trienes with any of the iron carbonyls gave two products: (a) a golden yellow liquid C8Hi0Fe(CO)3, m.p. 8°, which was thought to contain the 1,3,6-isomer (XXI) bonded to iron by its conjugate double bonds; this formulation was based on a comparison of its infrared spectrum with those of the pure isomers, (b) a red crystalline solid Fe2C26Hi206, for which no structure was suggested.…”
Section: Cycloheptatriene Iron Carbonylsmentioning
confidence: 99%
“…Treatment of the tropylium complex with numerous anions provides a convenient route to 1-substituted cycloheptatriene metal complexes (187) /Mx /Mx CO I CO CO I CO CO CO (R'HCOf, CN~, 0CH3_,CeH5", CBH4C(CH3)3 ) However, treatment with CbH6yields, surprisingly, benzene chromium tricarbonyl, and the corresponding methyltropylium salt yields toluene chromium tricarbonyl, both presumably derived from collapse of the seven-membered ring (187). The reaction of cyclooctatrienes with the Group VI metal hexacarbonyls is in some respects similar to that of cycloheptatriene (103,105). The 1,3,5-isomer (XIX) gives red, diamagnetic, sublimable, crystalline complexes C8Hi0M(CO)3 (M = Cr, Mo) which are very similar to their cycloheptatriene analogs, although they are somewhat less stable to air and light; this may be because the six carbon atoms containing the three double bonds are not so coplanar as in the cycloheptatriene complex.…”
Section: E Cyclopentadiene Iron Tricarbonylmentioning
confidence: 99%
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“…The inception of half-sandwich complex took place almost parallel to the discovery of ferrocene when Fischer and Hafner carried out the synthesis of tetracarbonyl (cyclopentadienyl) vanadium complex, C 5 H 5 V(CO) 4 [24]. This was followed by the synthesis of half-sandwich compounds containing manganese and cobalt as metal centers [25][26].…”
Section: Introductionmentioning
confidence: 99%