chemistry a carbenoid is a reactive intermediate that shares reaction characteristics with a carbene. In the Simmons–Smith reaction the carbenoid intermediate...

Simmons–Smith reaction is an organic cheletropic reaction involving an organozinc carbenoid that reacts with an alkene (or alkyne) to form a cyclopropane. It is named...

1968 Ryōji Noyori developed a copper-Schiff base complex for the metal-carbenoid cyclopropanation of styrene. Schiff bases have also been incorporated...

proposals generally invoke organozinc intermediates, sometimes including zinc carbenoids, either as discrete species or as organic fragments bound to the zinc...

the contraction. The standard intermediates are anionic, cationic, and carbenoid. The Favorskii rearrangement is a classic anionic ring contraction. It...

used in a stabilised form, referred to as a carbenoid. In the Simmons–Smith reaction the reactive carbenoid is iodomethylzinc iodide, which is typically...

warming and to carbenoids by treatment with a Rh(II) or Cu(II) salt such as Rh2(OAc)4 or CuCl2. The transition-metal-derived carbenoids, which have a metal ––...

aziridines. Several cycloadditions wherein the ylide serves as a "nucleophilic carbenoid equivalent" have been reported. Living polymerizations using trialkylboranes...

cyclopropane ring from a metal carbenoid species and an alkene. In the Simmons–Smith reaction the metal involved is zinc. Metal carbenoid species can be generated...

reactions, this began with the very first application of BOX ligands in carbenoid cyclopropanations and has been expanded to include 1,3-Dipolar cycloaddition...

trapping Radical Carbene Carbocation Carbanion Carbyne Benzyne (an aryne) Carbenoid Ion-neutral complex Keto anions Nitrenes Oxocarbenium ions Phosphinidenes...

Treatment of diazoimide 64 with rhodium(II) acetate dimer generated a carbenoid that yielded reactive ylide 65 after an intramolecular cyclization with...

DDT-derived vinylidene complex Fe(TPP)C2(C6H4Cl)2, one of several iron carbenoid complexes prepared by Mansuy (TPP = conjugate base of tetraphenylporphyrin)...

could be effectively prepared from a decarbonylative process of a metal carbenoid derived from a stabilized diazo compound. The carbene carbon of a Fischer...

characterization of stable ruthenium-carbenoid complexes and rhodium metallocarbenes, involves an initial formation of a metal-carbenoid complex from the diazo compound...

Li, Jianfeng; Main, Calver A.; McKiernan, Gordon J. (2007). "Titanium carbenoid reagents for converting carbonyl groups into alkenes". Tetrahedron. 63...

1999). "Asymmetric Total Synthesis of (+)-Codeine via Intramolecular Carbenoid Insertion". The Journal of Organic Chemistry. 64 (21): 7871–7884. doi:10...

corresponding alcohols with base and hydrogen peroxide (for an example see: carbenoid) In boronic ester homologization an alkyl group shifts from boron in a...

and sometimes π-donor metal ligands hydrogen and alkyl substituents on carbenoid carbon. Examples include ((CH3)3CCH2)Ta=CHC(CH3)3 and Os(PPh3)2(NO)Cl(=CH2)...

of a peroxide Cyclopropanation cyclopropanes addition of carbenes or carbenoids Hydroacylation ketones oxidative addition / reductive elimination by metal...

Structure of Fe(TPP)C2(C6H4Cl)2, one of several iron carbenoid complexes prepared by Mansuy (TPP = conjugate base of tetraphenylporphyrin)....

complex using a chiral Schiff base ligand, which he used for the metal–carbenoid cyclopropanation of styrene. In common with Knowles' findings, Noyori's...

organolead compounds Silylenes, the carbene counterparts Silylenoids, the carbenoid counterparts Decamethylsilicocene Muller, Richard (January 1965). "One...

highly explosive nature of diazoacetic esters. Preparation of the metal carbenoid: Synthesis of the carbene in the 1960s was focused on using copper catalysts...

Doering–LaFlamme allene synthesis with enantiopure cyclopropylmagnesium carbenoids". Tetrahedron Letters. 52 (23): 3016–3019. doi:10.1016/j.tetlet.2011.03...

imido ligands. Grubbs catalysts, on the other hand, are ruthenium(II) carbenoid complexes. Many variations of Grubbs catalysts are known. Some have been...

1999). "Asymmetric Total Synthesis of (+)-Codeine via Intramolecular Carbenoid Insertion". The Journal of Organic Chemistry. 64 (21): 7871–7884. doi:10...

Carbene dimerization is a type of organic reaction in which two carbene or carbenoid precursors react in a formal dimerization to an alkene. This reaction...

enantioselective cyclopropanation of fluoro-substituted allylic alcohols using zinc carbenoids. Fluoroalkanes Fluorocyclohexane Kerr, J. A.; Kirk, A. W.; O'Grady, B...

thionocarbonate and trialkylphosphite either form a phosphorus ylide or carbenoid intermediate. The reaction is stereospecific for most substrates unless...