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Showing 1 to 20 of 51 for “"ferrocenyl"”.
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Synthesis and characterisation of novel ferrocenyl compounds
The ferrocenyl phosphonate mono-ester FcCH₂P(O)(OPh)OH 1 (Fc = ferrocenyl) was prepared from FcCH₂P(O)(OPh)₂. The related mono-ester FcCH₂P(O)(OEt)OH 2 was prepared by the reaction of FcCH₂NMe₃I with diethyl phosphite. The ferrocenyl phosphonic acids FcP(O)(OH)₂ 3, FcCH₂P(O)(OH)₂ 4, …
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Ferrocenyl derivatives of dithizone : photochromic properties and potential as electrochemical sensors
New ferrocenyl derivatives of dithizone were successfully prepared and characterised by various analytical techniques. In the first part of this project interactions between photochromic and redox properties were investigated for the new ferrocenylmercury dithizonate complexes (N,S-dithizonato …
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Synthesis and characterization of some triosmium and triruthenium cluster complexes containing unusual ferrocenyl moieties
Series of ferrocenyl ligands, predominantly phosphines, have been prepared: PFcPh2 (Fc=(r15-05H4), Fe(n5-05H5)), PFc2Ph, PEt2Fc, PEtFc2, PFciPrz,PnBuFcPh, PtBu2Fc, Fc'PPh (Fc'4n5-05H4)2Fe), Fc'(PPh2 )2, Fc'(PiPr2 )2pAsFc2Ph, FC(SPh)2, Fc.(SMe)2, SFcPh, Fc2S2, and SbFc3, and characterized by …
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Synthesis and catalytic evaluation of chiral ferrocenyl p^p and p^n palladium(II) complexes
Chapter 2 outlines initial attempts made to synthesize analogues of the P,N-type chiral ligands (η5-C5H5)Fe(η5-C5H3-PPh2)C*H(OH)(3,5-R2pz) R = H SPNa and R = Me SPNb first prepared by Togni, and the P,P-type chiral ligands (η5-C5H5)Fe(η5-C5H3-PR2)C*H(OH)(PPh2) R = Ph SPPa, R = i-Pr SPPb of the …
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Mono- and polynuclear Ferrocenyl-derived complexes: synthesis, characterisation and biological evaluation as antimycobacterial and antiplasmodial agents
… precursors, vinylferrocene and (E)-4-vinylferrocenylbenzaldehyde were prepared, by a Wittig olefination reaction and Heck cross-coupling reaction, respectively. Mononuclear ferrocenyl-derived imino complexes were synthesised by Schiff-base condensation reactions of …
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Novel ferrocenyl benzoyl peptide esters as anti-cancer agents and ferrocenoyl self assembled monolayers as anion sensors
A series of novel N-(ferrocenyl)benzoyl peptide esters have been synthesized, characterized and screened in vitro against the non-small cell lung cancer cell line, H1299 (cisplatin and carboplatin resistant variant). The potential production of hydroxyl radicals would be enhanced by the benzoyl …
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The Electrochemistry of Ferrocenyl-thiolate Self-Assembled Monolayers for use in a Toll-like Receptor 4-based sensor
… resistance (? 1 k?) due to the presence of a Ferrocenyl-thiolate component, which mediates electron transfer from dissolved Fe(CN)64- to the underlying Au substrate. The work presented in this thesis focuses on the problem, and its subsequent solution, encountered with the SAM electrochemistry …
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Platinum group metal coordination complexes of ferrocenyl N-donor ligands and their potential application in catalysis and medicinal chemistry
… ligands, in particular pyridine and ferrocenyl derivatives thereof was examined. Two main approaches were taken in the preparation of the ferrocenylpyridines: i. The ferrocenylpyridines were systematically studied by varying the position of substituents along the pyridyl ring in the …
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Synthesis of ferrocenyl and 1-methylpyrrolyl bisphophines via electrophilic addition and substitution reactions of tungsten-coordinated phosphenium ions and phosphine triflates
… (R = allyl, phenylalkynyl, ferrocenyl). Sequential addition of two different groups to phosphorus was done by abstracting chloride from 46 using AgOTf to form [W2(CO)10{μ-C10H8Fe(PPhCl)(PPh(OSO2CF3f)}] (48). Reaction of 48 with H-R led to monosubstituted bisphosphine complex …
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Organomanganese compounds in organic synthesis
… explanation for this reverse reactivity. Ferrocenyl pyrylium salts of the type 5-5 have been prepared using a new route to ferrocenyl pyrylium from cyclomanganated chalcones and ferrocenylethyne. UV-visible and electrochemical properties of the pyrylium salts have been investigated. The …
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New mono and bimetallic chloroquine derivatives : synthesis and evaluation as antiparasitic agents
Several series of new ferrocenyl-quinoline antimalarial agents have been synthesised and fully characterised using standard spectroscopic and analytical techniques. The molecular structure of N-(7-Chloro-quinolin-4-yl)-N'-[2 -( N”,N""-dimethylaminomethyl)ferrocenylmethyl]-ethane-1.2-diamine has …
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Asymmetrische Synthese planar- und zentral-chiraler 1,2,3-trisubstituierter und 1,3-disubstituierter Ferrocene
… and 1,3-disubstituted mono- and di-ferrocenyls was developed. The flexible substitution pattern allows for rapid and simple ferrocenyl-ligand fine-tuning in a given catalytic asymmetric process. Starting from several ferrocenyl-SAMP-hydrazones, different donor functionalities were …
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Studies on conducting polymers : the synthesis and anodic electropolymerisation of novel B-functionalised thiophenes
… ‘-thienyl)ethene, [3]; trans-l-(ferrocenyl)-2-(3 ‘-thienyl)ethene, [4]; (E,E)-3,4-bis-(2 ‘-ethenylferrocenyl)thiophene, [5]; l-(ferrocenyl)-3-(3 ‘-thienyl)prop-2-en-1 -one, [6] ; (E,E)-1,5-bis(3 ‘-thienyl)penta-1,4-dien-3-one, [7] ; all-trans 1,9-bis(3 …
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Development of aminoquinoline-benzimidazole hybrids and their organometallic complexes as antimicrobial agents against Plasmodium falciparum and Mycobacterium tuberculosis
… pharmacological properties of new organic and ferrocenyl aminoquinoline-benzimidazole hybrid compounds, as well as the corresponding Platinum Group Metal (PGM)-containing complexes. The compounds were screened for their activity against Plasmodium falciparum, and for their cytotoxicity against …
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The synthesis, photochemistry & electrochemistry of dithienylethene switches & their organometallic complexes
… switches, substituted with thienyl and ferrocenyl moieties. The methods used to generate their corresponding Co2(CO)6 and Co2(CO)4dppm complexes are also described. 1H, 13C, 19F and 31P NMR techniques were employed to analyse the resulting products. Elemental analysis and infra-red …
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Design and synthesis of handles for solid-phase peptide synthesis and convergent peptide synthesis
… ferrocene containing linker or “handle”, the 1’1-ferrocenyl carboxaldehyde handle was designed, synthesized, characterized and tested. This linker is analogous to those commercially available and developed by Barany. The ferrocenyl amine linker(FAL) releases C-terminal peptide amides upon …
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The synthesis of N-substituted ferrocenes and CH activation towards the synthesis of Organosilanols
… diastereoselective ortho-silylation of ferrocenyl oxazolines was achieved in poor to good yields and moderate to high diastereomeric ratios. To the best of our knowledge, this is the first catalytic and diastereoselective C–H activation on ferrocenes. After screening many other directing …
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Mono- and multinuclear PGM complexes containing thiosemicarbazones synthesis, characterization and antiplasmodial evaluation
Four aryl- and ferrocenyl-derived thiosemicarbazone ligands have been synthesized and characterized using NMR, infrared (IR) spectroscopy and mass spectrometry. These ligands were used towards the synthesis of three series of mono- and multinuclear complexes, in which the thiosemicarbazone ligands …
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