Photocatalytic properties of new cyclopentadienyl and indenyl rhodium(I) carbonyl complexes with water-soluble 1,3,5-triaza-7-phosphaadamantane (PTA) and tris(2-cyanoethyl)phosphine

Smoleński, Piotr

doi:10.1016/j.jorganchem.2011.08.046

Cited by 10 publications

(4 citation statements)

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“…Table collects frequencies, along with results of a Dapprich–Frenking charge decomposition analysis (below) and CpRh(CO) 2 . Methoxy substitution of the azadipyrromethene phenyls exerts little effect on the frequency of either mode.…”

Section: Resultsmentioning

confidence: 99%

“…81 Also appearing in the table are ν(CO) values of the related carbonyls (acac)Rh-(CO) 2 82 and CpRh(CO) 2 . 83 Methoxy substitution of the azadipyrromethene phenyls exerts little effect on the frequency of either mode. Interestingly, the acetylacetonate complex shows higher frequency stretching vibrations than any of 3, 6, or 9, suggesting that acac is the better π-acceptor.…”

Section: ■ Experimental Sectionmentioning

confidence: 99%

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Azadipyrromethene Complexes of d⁸ Metal Centers: Rhodium(I), Iridium(I), Palladium(II), and Platinum(II)

Deligonul

Gray

2013

Inorg. Chem.

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Azadipyrromethenes are blue pigments that chelate main-group and d-block Lewis acids. Reported here are azadipyrromethene complexes of d(8) metal centers. The new compounds are prepared in salt metathesis reactions with chlorinated organometallic precursors. Sixteen new complexes are reported. The principal absorption features are an intense peak near 600 nm and transitions in the ultraviolet; all are characteristic of the azadipyrromethene chromophore. All compounds are dark solids that yield blue or blue-violet solutions. Ten complexes are crystallographically characterized. The structures uniformly show backbone strain, with a meso-nitrogen atom that dilates from pure sp(2)-hybridization. Structural comparisons are made to related dipyrromethene and tetra-azaporphyrin complexes. The electron-donating capacity of azadipyrromethene ligands is evaluated from C≡O stretching frequencies of three rhodium(I) carbonyl complexes and from density-functional theory calculations. Frontier orbitals are confined to the azadipyrromethene ligand. HOMO-LUMO energy gaps are almost unperturbed from those of the free, anionic azadipyrromethene.

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Section: Resultsmentioning

confidence: 99%

Section: ■ Experimental Sectionmentioning

confidence: 99%

Azadipyrromethene Complexes of d⁸ Metal Centers: Rhodium(I), Iridium(I), Palladium(II), and Platinum(II)

Deligonul

Gray

2013

Inorg. Chem.

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“…Indenylrhodium complexes have also displayed increased turnover frequencies for the photocatalytic acceptorless dehydrogenation of isopropanol, octane, and cyclooctane (Scheme ) …”

Section: Cobalt Rhodium and Iridiummentioning

confidence: 99%

Indenylmetal Catalysis in Organic Synthesis

Trost

Ryan

2017

Angew Chem Int Ed

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Synthetic organic chemists have a long-standing appreciation for transition metal cyclopentadienyl complexes, of which many have been used as catalysts for organic transformations. Much less well known are the contributions of the benzo-fuzed relative of the cyclopentadienyl ligand, the indenyl ligand, whose unique properties have in many cases imparted differential reactivity in catalytic processes toward the synthesis of small molecules. In this review, we will present examples of indenylmetal complexes in catalysis and compare their reactivity to their cyclopentadienyl analogues, wherever possible.

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“…Indenylrhodiumkomplexe zeichneten sich zudem durch höhere Wechselzahlen für die photokatalytische akzeptorfreie Dehydrierung von 2‐Propanol, Octan und Cyclooctan aus (Schema ) …”

Section: Cobalt Rhodium Und Iridiumunclassified

Indenylmetallkatalyse in der organischen Synthese

Trost

Ryan

2017

Angewandte Chemie

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Photocatalytic properties of new cyclopentadienyl and indenyl rhodium(I) carbonyl complexes with water-soluble 1,3,5-triaza-7-phosphaadamantane (PTA) and tris(2-cyanoethyl)phosphine

Cited by 10 publications

References 57 publications

Azadipyrromethene Complexes of d⁸ Metal Centers: Rhodium(I), Iridium(I), Palladium(II), and Platinum(II)

Azadipyrromethene Complexes of d⁸ Metal Centers: Rhodium(I), Iridium(I), Palladium(II), and Platinum(II)

Indenylmetal Catalysis in Organic Synthesis

Indenylmetallkatalyse in der organischen Synthese

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Photocatalytic properties of new cyclopentadienyl and indenyl rhodium(I) carbonyl complexes with water-soluble 1,3,5-triaza-7-phosphaadamantane (PTA) and tris(2-cyanoethyl)phosphine

Cited by 10 publications

References 57 publications

Azadipyrromethene Complexes of d8 Metal Centers: Rhodium(I), Iridium(I), Palladium(II), and Platinum(II)

Azadipyrromethene Complexes of d8 Metal Centers: Rhodium(I), Iridium(I), Palladium(II), and Platinum(II)

Indenylmetal Catalysis in Organic Synthesis

Indenylmetallkatalyse in der organischen Synthese

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Product

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Azadipyrromethene Complexes of d⁸ Metal Centers: Rhodium(I), Iridium(I), Palladium(II), and Platinum(II)

Azadipyrromethene Complexes of d⁸ Metal Centers: Rhodium(I), Iridium(I), Palladium(II), and Platinum(II)