Dichloro(porphyrinato)molybdän(IV) – Synthese und Struktur

Diebold, G. Tharcis; Chevrier, Bernard; Weiss, Raymond

doi:10.1002/ange.19770891111

Angewandte Chemie

1977

DOI: 10.1002/ange.19770891111

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Dichloro(porphyrinato)molybdän(IV) – Synthese und Struktur

G. Tharcis Diebold¹,

Bernard Chevrier²,

Raymond Weiss³

Abstract: lysenprobe von ( I ) wurde durch fraktionierende Destillation (Kp = 120-1 3O0C/30Torr) und anschlieDende Gas-Flussigkeits-Chromatographie erhalten (Silicon OV-I, 5 %, auf Uniport KS, 3 m x 8 mm, 140°C). Eingegangen am 16. August 1977 [Z 8221 CAS-Registry-Nummern: Tetrahydrofuran: 109-99-9 / Diethylmethylsilan: 760-32-7/ Oxetan: 503-30-0 / 7-Oxabicycl0[4.t.O]heptan: 286-20-4. 1.9-1.2 (m, 4H, CHz), 2.90 (t, 2H, CH2) [a] In Cyciohexan. [b] ( I b ) in CCI4, ( 3 a ) -( 3 c ) in CDCl3. Signale (Singuletts) der tert-… Show more

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Cited by 6 publications

References 14 publications

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Synthese und Struktur von μ₂‐Oxobis[chloro(tetra‐p‐tolylporphyrinato)molybdän(IV)], einem Komplex mit zentraler Mo^IV—O—Mo^IV‐Einheit

Colin¹,

Chevrier²,

Cian³

et al. 1983

Angewandte Chemie

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Eine geordnete Kristallstruktur kame im vorliegenden Fall nur dann in Frage, wenn man annimmt, daB die untersuchten Kristalle nicht aus dem Secododecahedren 1 bestehen, sondern aus dem hochsymmetrischen Dodecahedran 2 [']. Gasfiirmiges 2 hat die Symmetrie 122a. 31 Aufgrund chemischer Zweifel ['] an der kristallographischen Identifizierung der Substanz als Dodecahedran 2 wurde nach den Intensitiltsmessungen von einem Bruchstuck des hierfiir verwendeten Kristalls ein 'H-NMRSpektrum aufgenommen und eindeutig sichergestellt, dab der Kristall -wie urspriinglich vorausgesetzt -aus Secododecahedren 1 bestand [']. Die Kristallstruktur von 1 ist demnach bei Raumtemperatur in einer Weise fehlgeordnet, daI3 sie sich gut mit einem Strukturmodell von 2 beschreiben IaBt. Vermutlich nimmt das beinahe noch kugelflirmige 1 im Kristall statistisch 30 bevorzugte Orientierungen ein, wobei die Verbindungslinie der Methylen-C-

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Synthese und Struktur von μ₂‐Oxobis[chloro(tetra‐p‐tolylporphyrinato)molybdän(IV)], einem Komplex mit zentraler Mo^IV—O—Mo^IV‐Einheit

Colin¹,

Chevrier²,

Cian³

et al. 1983

Angewandte Chemie

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Synthesis and Structure of μ₂‐Oxobis[chloro(tetra‐p‐tolylporphyrinato)molybdenum(IV)]: A Complex with Central Mo^IVOMo^IV Unit

Colin¹,

Chevrier²,

Cian³

et al. 1983

Angew. Chem. Int. Ed. Engl.

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alkyllithium compound 18. Ring-opening at the stage of the radical anion 15 should result in formation of n-propylbenzene 14 as the major product via the secondary radical 12. Additionally, the corresponding ethylene adducts are also obtained. Reaction of a mixture of a-methylbenzocyclobutene and 1 indicates that the latter is cleaved approximately twice as rapidly. The rates of separate runs, however, are not comparable, since the yields are markedly dependent on the nature of the lithium powder and on the mixing procedure. Received: October 15, 1982 [Z 179 IE] German version: Angew. Chem. 95 (1983) 248[I] N. L.

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Viking Helmet Corroles: Activating Inert Oxidometal Corroles

Schweyen

Brandhorst

Hoffmann

et al. 2017

Chemistry A European J

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Chemically inert oxidometal(V) corrols of molybdenum and rhenium undergo clean ligand-exchange reactions upon the action of SiCl . The resulting dichlorido complexes show trigonal prismatic coordination of the metal ion with the chlorine atoms residing in a cis configuration, and were studied by optical and resonance spectroscopy as well as DFT calculations. In situ reactivity studies with carbon nucleophiles indicate high reactivity for chlorine replacement. Treatment with sodium cyclopentadienide paves the way to robust molybdenum corrolocene half-sandwich complexes. These organometallic compounds are the first corrole species that stabilize an air-stable and diamagnetic low spin d -Mo center. Structural, spectroelectrochemical, and chemical investigations prove a reversible Mo /Mo redox couple close to the Fc/Fc potential for these systems. The high stability of the compounds in both redox states calls for future applications in catalysis and as redox switch.

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Dichloro(porphyrinato)molybdän(IV) – Synthese und Struktur

Cited by 6 publications

References 14 publications

Synthese und Struktur von μ₂‐Oxobis[chloro(tetra‐p‐tolylporphyrinato)molybdän(IV)], einem Komplex mit zentraler Mo^IV—O—Mo^IV‐Einheit

Synthese und Struktur von μ₂‐Oxobis[chloro(tetra‐p‐tolylporphyrinato)molybdän(IV)], einem Komplex mit zentraler Mo^IV—O—Mo^IV‐Einheit

Synthesis and Structure of μ₂‐Oxobis[chloro(tetra‐p‐tolylporphyrinato)molybdenum(IV)]: A Complex with Central Mo^IVOMo^IV Unit

Viking Helmet Corroles: Activating Inert Oxidometal Corroles

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Dichloro(porphyrinato)molybdän(IV) – Synthese und Struktur

Cited by 6 publications

References 14 publications

Synthese und Struktur von μ2‐Oxobis[chloro(tetra‐p‐tolylporphyrinato)molybdän(IV)], einem Komplex mit zentraler MoIV—O—MoIV‐Einheit

Synthese und Struktur von μ2‐Oxobis[chloro(tetra‐p‐tolylporphyrinato)molybdän(IV)], einem Komplex mit zentraler MoIV—O—MoIV‐Einheit

Synthesis and Structure of μ2‐Oxobis[chloro(tetra‐p‐tolylporphyrinato)molybdenum(IV)]: A Complex with Central MoIVOMoIV Unit

Viking Helmet Corroles: Activating Inert Oxidometal Corroles

Contact Info

Product

Resources

About

Synthese und Struktur von μ₂‐Oxobis[chloro(tetra‐p‐tolylporphyrinato)molybdän(IV)], einem Komplex mit zentraler Mo^IV—O—Mo^IV‐Einheit

Synthese und Struktur von μ₂‐Oxobis[chloro(tetra‐p‐tolylporphyrinato)molybdän(IV)], einem Komplex mit zentraler Mo^IV—O—Mo^IV‐Einheit

Synthesis and Structure of μ₂‐Oxobis[chloro(tetra‐p‐tolylporphyrinato)molybdenum(IV)]: A Complex with Central Mo^IVOMo^IV Unit