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- ...a higher force constant. The resultant force constant found for a ligated carbonyl represents the same force constant for π ligands if they replaced the CO li ...cite journal|doi=10.1021/ja00270a037 | volume=108 | issue=10 | title=Metal carbonyl ν<sub>CO</sub> force constants as predictors of π-ethylene and π-benzene co ...7 KB (960 words) - 12:53, 6 November 2024
- Rhodium(0) complexes are binary carbonyls, the principal examples being [[tetrarhodium dodecacar .../sub>), is included in the list of important catalysts. The simple olefin complexes chlorobis(ethylene)rhodium dimer, chlorobis(cyclooctene)rhodium dimer, and ...10 KB (1,353 words) - 12:18, 20 February 2025
- ...ic also includes '''transition metal complexes of isothiocyanate'''. These complexes have few applications but played significant role in the development of coo ...tals|class B or soft metal cations]] tend to form ''S''-bonded thiocyanate complexes. For the isothiocyanates, the M-N-C angle is usually close to 180°. For the ...16 KB (2,185 words) - 20:41, 12 February 2025
- ...related structures, and thus can be used for alpha-[[hydroxylation]] of [[carbonyl]]-containing compounds.<ref>{{Cite journal | doi = 10.15227/orgsyn.064.0127 ...rifluoromethyl group induced highly stereoselective synthesis of α-hydroxy carbonyl compounds|journal=Tetrahedron Letters|language=en|volume=27|issue=16|pages= ...7 KB (958 words) - 15:31, 8 February 2025
- ...II) iodide]]), tin hydrides ([[tributyltin hydride]]), or transition metal complexes with reducing agents or nucleophiles (PdCl<sub>2</sub>(dppp)/LiHBEt<sub>3</ ...epends strongly on the substrate and reaction conditions. [[Palladium]](0) complexes are the most commonly used precatalysts. ...20 KB (2,705 words) - 05:09, 29 November 2024
- ...Alkylation|C-alkylated]]. The process is the foundation of the [[Umpolung#Carbonyl umpolung|umpolung]] phenomenon.<ref>{{cite encyclopedia Like 1,2-ethanedithiol, propanedithiol forms [[Coordination complex|complexes]] with metals, for example with [[triiron dodecacarbonyl]]: ...5 KB (710 words) - 15:54, 11 February 2025
- ...ed-olefin]] [[Olefin metathesis|metathesis]]. For example, they mediate a carbonyl-imine exchange (Ar is any [[Electrophilic aromatic directing groups|activat ...8 KB (1,163 words) - 22:25, 7 February 2025
- ...and can be used to oxidize several transition metal and main group element complexes.<ref name=":2" /><ref name=":11" /><ref name=":12" /> === Transition metal complexes === ...29 KB (4,286 words) - 03:37, 21 August 2023
- ...pecific point on the plane (here '''plane I''', the plane containing the [[carbonyl]] and its '''R''' and '''R'''' substituents, likewise with other electrophi ...rojection, the '''vector''' (arrow) pointing from :Nu to the carbon of the carbonyl is mirrored across plane I to make clear that the nucleophile can approach ...36 KB (5,159 words) - 09:29, 26 February 2025
- ...ty. As such, aluminium (I) complexes attract considerable interest. These complexes can be supported by various ligands and used to activate small molecules. ...mense versatility in electronic and steric properties. These aluminium (I) complexes have immense potential for small molecule activation.<ref name="Liu 2018" / ...16 KB (2,341 words) - 13:31, 18 January 2025
- ...eration and Stabilization of Cationic, Highly Electrophilic Organometallic Complexes|journal = [[Organometallics]]|year = 1992|volume = 11|issue = 11|pages = 39 ...with AgBArF. Phosphinite Rhodium(I), Rhodium(II), and Rhodium(III) Pincer Complexes|journal=Organometallics|volume=27|issue=10|pages=2293–2299|doi=10.1021/om80 ...11 KB (1,478 words) - 06:49, 25 June 2024
- ...T.|last2 = McKervey|first2 = M. A.|title = Organic Synthesis with α-Diazo Carbonyl Compounds|journal = [[Chem. Rev.]]|year = 1994|volume = 94|issue = 4|pages ...43|doi = 10.1002/anie.197500321|title = The Wolff Rearrangement of α-Diazo Carbonyl Compounds}}</ref><ref>{{cite journal|year = 2002|journal = [[Eur. J. Org. C ...17 KB (2,325 words) - 16:30, 17 May 2024
- ...dimeric acid or base. For example, the enthalpy of cleavage the [[rhodium carbonyl chloride|[Rh(CO)<sub>2</sub>Cl]<sub>2</sub>]] by base B involves two steps. | {{sfrac|1|2}}[[Rhodium carbonyl chloride|[Rh(CO)<sub>2</sub>Cl]<sub>2</sub>]] || 4.32|| 4.13 || −10.39 || 0 ...22 KB (3,253 words) - 15:30, 20 September 2024
- ...oordination complex]]es. [[Nickel tetracarbonyl]] was the first pure metal carbonyl produced, and is unusual in its volatility. [[Metalloprotein]]s containing ...NiCl<sub>2</sub>·2H<sub>2</sub>O over 64 °C.<ref name=mellor/> Ammine complexes like [[hexaamminenickel chloride]] also exist. ...56 KB (8,268 words) - 21:58, 16 February 2025
- ...currently used to increase the reactivity of methane uses transition metal complexes to activate the carbon-hydrogen bonds. In a typical C-H activation mechanis The '''Shilov system''' involves platinum based complexes to produce metal alkyls. It was first discovered when a hydrogen-deuterium ...18 KB (2,628 words) - 17:21, 13 February 2025
- ...manufacturing or processing stages. These include [[hydroperoxide]] and [[carbonyl]] groups, as well as metal salts such as catalyst residues. The organic hydroperoxide and carbonyl groups are able to absorb UV light above 290 nm whereupon they undergo ...43 KB (5,920 words) - 08:04, 13 January 2025
- ...10.1021/acs.chemrev.6b00057|pmid=27285582}}</ref> soluble transition-metal complexes are more commonly used today. ...reorganization during electron transfer. Since electron transfer of these complexes is fast, it is likely to take place within the duration of the catalyst's a ...50 KB (6,878 words) - 14:17, 29 November 2024
- Many [[carbonyl]] compounds exhibit [[keto–enol tautomerism]]. This effect is especially pr ...alytic Triple Bond Activation and Vinyl−Vinyl Reductive Coupling by Pt(IV) Complexes. A Density Functional Study | issue = 8}}</ref> ...17 KB (2,405 words) - 20:14, 18 October 2024
- ...complished through the use of catalytic amounts of chiral transition metal complexes.<ref>{{cite journal |last1=Larson |first1=Gerald L. |last2=Liberatore |firs ...ive hydrosilane reduction of a conjugated alkene as a key step. The ketone carbonyl and isolated double bond are unaffected under the conditions shown.<ref>{{c ...13 KB (1,710 words) - 17:57, 15 August 2024
- ...ture distortions and vibrational properties. II. Amide I modes of NMA–nD2O complexes |url=https://pubs.aip.org/jcp/article/118/8/3491/185828/Correlation-between * Ester carbonyl (O-C=O) stretch<ref>{{Cite journal |last1=Edington |first1=Sean C. |last2=F ...27 KB (3,616 words) - 18:42, 28 February 2025