In organometallic chemistry, a metallacycle is a derivative of a carbocyclic compound wherein a metal has replaced at least one carbon center; this is...

Selective Trimerization of Ethylene Affording 1-Hexene: New Evidence of a Metallacycle Mechanism". Journal of the American Chemical Society. 131 (15): 5370–5371...

transalkylation mechanism (ruled out): In 1971 Chauvin proposed a four-membered metallacycle intermediate to explain the statistical distribution of products found...

interact strongly enough with copper species to form a novel type of metallacycle. Gilbert, John C.; Hou, Duen-Ren (2003). "Competitive Intermolecular...

Organorhodium chemistry is the chemistry of organometallic compounds containing a rhodium-carbon chemical bond, and the study of rhodium and rhodium compounds...

[Cr2(CH2SiMe3)6]2- and Its Conversion to the Unusual "Windowpane" Bis(metallacycle) Complex [Cr(κ2C,C-CH2SiMe2CH2)2]2-". Organometallics. 13: 1646. doi:10...

structure (amides can also assume this role). Uranium and thorium both form metallacycles with a diverse chemistry. These complexes are very labile so trimethylsilyl...

oxidative coupling of an alkyne and an azide to the ruthenium containing metallacycle (Ruthenacycle). The new C-N bond is formed between the more electronegative...

Selective Trimerization of Ethylene Affording 1-Hexene: New Evidence of a Metallacycle Mechanism". Journal of the American Chemical Society. 131 (15): 5370–5371...

formula LnM(CH2)4 (Ln = ligands, and M = metal). They are a type of metallacycle. Metallacyclopentanes are intermediates in some metal-catalysed reactions...

Metalloles are metallacycle derivatives of cyclopentadiene in which the carbon atom at position 5, the saturated carbon, is replaced by a heteroatom. In...

"Synthesis and Structural characterization of half-sandwich iridium macro-metallacycles containing 1,5-dihydroxy-9,10- anthraquinone ligand". Journal of Organometallic...

Austin Thesis Mechanistic, Synthetic and Theoretical Studies of High Valent Metallacycles and metal Alkylidenes (1987) Doctoral advisor Robert Grubbs...

Palladacycle, as a class of metallacycles, refers to complexes containing at least one carbon-palladium bond. Palladacycles are invoked as intermediates...

of terminal alkynes. The critical step occurs after formation of the metallacycle and consists of a transannular C-H activation with formation of a...

Pd-catalyzed C-H activation reactions of 2-phenylpyridine involves a metallacycle intermediate. The intermediate is oxidized to form a PdIV species, followed...

amines: The hydride shift was envisaged as taking place through a Pd(IV) metallacycle: In related work the intermediate associated with the hydride shift remains...

in Aromatic Ketone by Ru Complex. Role of Unusual Five-Coordinated d6 Metallacycle Intermediate with Agostic Interaction". Journal of the American Chemical...

of in situ generated zirconocenes are coupling or insertion to form metallacycles. These reactions have been observed upon addition of carbon monoxide...

where displacement takes place. This forms a thermodynamically favorable metallacycle to prevent subsequent inversions. Formally, this process provides anti-carboalumination...

hydrido(cyclopropyl)rhodium complex to a rhodacyclobutane. Independent synthesis of the metallacycle by addition of hydride to the central carbon atom of a cationic rhodium...

nucleophilic character to the vicinal carbon atoms of the alkyne (figure 7). Metallacycle intermediates (19) are the result of the simultaneous complexation and...

hydrocarbon ligand is viewed as the anion C5H5−. The 6 π electrons in the metallacycle conform to the Hückel (4n+2) theory. The first reported stable metallabenzene...

Fagan, Paul J.; Nugent, William A.; Calabrese, Joseph C. (1994-03-01). "Metallacycle Transfer from Zirconium to Main Group Elements: A Versatile Synthesis...

(2010-06-01). "Bulky guanidinates for the stabilization of low oxidation state metallacycles". Coordination Chemistry Reviews. FRONTIERS OF ORGANOMETALLIC CHEMISTRY:...

Functionalization. Versatile Reactivity of Tungsten(II) Fluoride Carbonyl Metallacycles with Alkynes". Organometallics. 15 (25): 5292–5301. doi:10.1021/om960561s...

substituents, with the carbon dioxide inserting to create a series of fused metallacycles and the water’s hydrogen atoms breaking up the metallacyclopropenes...

to oxidative addition to transition metal complexes. The resulting metallacycles are susceptible to a variety of reactions. These reactions are rare...

The research group is also known for its development of planar chiral metallacycles, in which an intramolecular cooperation of two metal centers could often...

ligands. Some η2-aldehyde complexes insert alkenes to give five-membered metallacycles. η1-Complexes of alpha-beta unsaturated carbonyls exhibit enhanced reactivity...