ylide


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ylide

[′i·līd]
(organic chemistry)
An organic compound which contains two adjacent atoms bearing formal positive and negative charges, and in which both atoms have full octets of electrons.
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References in periodicals archive ?
Slater, An Unexpected Stereochemical Course of Dihydroimidazolium Ylide Cycloadditions, Chem.
New Pyrroloimidazoles by 1, 3-Dipolar Cycloaddition and their Biological Activities
Bagheri, "Highly effective catalytic methods for ylide generation from diazo compounds.
Microwave-Assisted Synthesis and Characterization of [[Rh.sub.2][(OAc).sub.4][(L).sub.2]] Paddlewheel Complexes: A Joint Experimental and Computational Study
Objective: Our group has recently discovered a new type of cofactor: a prenylated-flavin that has azomethine ylide properties.
pre-FAB: Prenylated-flavins: Application and Biochemistry
Shahraki, "1H NMR technique for kinetic investigation of equilibrium between the Z- and E-isomers in a stable phosphorus ylide involving a 2-indolinone," Progress in Reaction Kinetics and Mechanism, vol.
Full kinetics and a mechanistic investigation of the green protocol for synthesis of [beta]-aminoketone in the presence of saccharose as a catalyst by a one-pot three-component reaction
[section]ahin, "Polysubstituted fused ring bicyclic thiohydantoins from aminocarbo-N-thioylpyrrolidines derived from azomethine ylide 1,3-dipolar cycloadditions," Heterocycles, vol.
Determination of acid dissociation constants ([pK.sub.a]) of bicyclic thiohydantoin-pyrrolidine compounds in 20% ethanol-water hydroorganic solvent
Shahraki, "[sup.1]H NMR technique for kinetic investigation of equilibrium between the Z- and E-isomers in a stable phosphorus ylide involving a 2-indolinone," Progress in Reaction Kinetics and Mechanism, vol.
Kinetic and mechanistic investigation of pyrano[2,3-d]pyrimidine formation in the presence of catalyst under novel one-pot three-component reaction
Generation of dianion (base) in the presence of phosphonium salt and concomitant formation of ylide at sufficiently high cathodic potential as per Eq.
QUINOMETHYLENES AND RELATED COMPOUNDS: SIMULATION OF VOLTAMMOGRAMS
According to press release issued here on Monday, the title of the poster was "Highly Selective Sulphur Ylide Mediated Asymmetric Epoxidations and Aziridinations Using an Inexpensive Chiral Sulfide; Applications to the Synthesis of Quinine and Quinidine." Quinine is a well-known anti-malarial drug and its synthesis is considered a challenging task.
HEC Scholar Wins Best Poster Award in UK
According to press release issued here on Monday, the title of the poster was Highly Selective Sulfur Ylide Mediated Asymmetric Epoxidations and Aziridinations Using an Inexpensive Chiral Sulfide; Applications to the Synthesis of Quinine and Quinidine.
HEC scholar wins best poster award in UK
The team created the ylide (benzoylmethylene) triphenylphosphorane by ball-milling (phenacyl) triphenylphosphonium bromide with anhydrous potassium carbonate ([K.sub.2]C[O.sub.3]), a base.
Solvent shakedown: the mechanochemistry alternative
Lebel and co-workers have found that Wilkinson's catalyst [[ClRh([PPh.sub.3]).sub.3]] can be used to generate the key phosphonium ylide from [PPh.sub.3] and the diazo compound [TMSCHN.sub.2] (TMS = [SiMe.sub.3]).
Chemical Shifts
PHOTO : ylide of the structure [Mathematical Expressions Omitted].
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