Crystal structure of paddle-wheel sandwich-type [Cu2{(CH3)2CO}{μ-Fe(η5-C5H4C[triple-bond]N)2}3](BF4)2·(CH3)2CO

Strehler, Frank; Korb, Marcus; Lang, Heinrich

doi:10.1107/s2056989015001760

Cited by 4 publications

(1 citation statement)

References 35 publications

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“…NMR spectroscopic investigations revealed the presence of one fluorine substituent ortho to the hydrogen atom (see below). Furthermore, a weak band at 2234 cm –1 could be assigned to the C≡N unit in the IR spectrum …”

Section: Resultsmentioning

confidence: 99%

Multi‐Ferrocenyl Aryl Ethers – Applying Nucleophilic Aromatic Substitution Reactions to Aryl Fluorides

Korb

Lang

2016

Eur J Inorg Chem

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Section: Resultsmentioning

confidence: 99%

Multi‐Ferrocenyl Aryl Ethers – Applying Nucleophilic Aromatic Substitution Reactions to Aryl Fluorides

Korb

Lang

2016

Eur J Inorg Chem

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(Planar‐Chiral) Ferrocenylmethanols: From Anionic Homo Phospho‐Fries Rearrangements to α‐Ferrocenyl Carbenium Ions

2017

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The reaction of FcCH2OH with chlorophosphates gave ferrocenyl phosphates FcCH2OP(O)(OR)2 [Fc = Fe(η5‐C5H5)(η4‐C5H4)], which readily separate into phosphate anions and ferrocenyl carbo‐cations. The latter species undergoes consecutive reactions, for example, electrophilic aromatic substitutions. When nitriles, instead of alcohols, are treated with FcLi or tBuLi and chlorophosphates, chiral‐pool based ferrocenylimino phosphoramidates Fc‐CR=N‐P(O)(OR*)2 are formed, which are promising candidates for anionic homo phospho‐Fries rearrangements. Moreover, the sterically demanding chiral chlorophosphate with R* enabled oxidative couplings of the imines to form a diferrocenylazine. Similarly, the reaction of Fc–Li with 9‐anthrylnitrile produced a 10‐ferrocenyl‐substituted product, contrary to a reaction at the C≡N functionality. A planar‐chiral ortho‐P(S)Ph2‐functionalized ferrocenylmethanol also gave carbo‐cations under acidic conditions. These species can be sulfurized in a unique way giving thio ethers, whereby the in situ formed 1,2‐P(S)Ph2,CH2+ ferrocene cation acts as the sulfur and electron source. However, lowering the substrate concentration prevents sulfur migration, resulting in electrophilic substitution reactions with aromatic solvents. Planar‐chiral ferrocenylmethyl thio or anisyl derivatives were applied as ligands in Pd‐catalyzed Suzuki–Miyaura C,C cross‐couplings for the atroposelective synthesis of hindered biaryls with up to 26 % ee at low catalyst loadings (1 mol‐% Pd).

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Cyanoferrocenes as redox-active metalloligands for coordination-driven self-assembly

et al. 2019

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Crystal structure of paddle-wheel sandwich-type [Cu₂{(CH₃)₂CO}{μ-Fe(η⁵-C₅H₄C[triple-bond]N)₂}₃](BF₄)₂·(CH₃)₂CO

Cited by 4 publications

References 35 publications

Multi‐Ferrocenyl Aryl Ethers – Applying Nucleophilic Aromatic Substitution Reactions to Aryl Fluorides

Multi‐Ferrocenyl Aryl Ethers – Applying Nucleophilic Aromatic Substitution Reactions to Aryl Fluorides

(Planar‐Chiral) Ferrocenylmethanols: From Anionic Homo Phospho‐Fries Rearrangements to α‐Ferrocenyl Carbenium Ions

Cyanoferrocenes as redox-active metalloligands for coordination-driven self-assembly

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