Examples of 'diketone' in a sentence
Meaning of "diketone"
A 'diketone' is a noun in chemistry referring to a molecule containing two ketone groups
Show more definitions
- any compound having two neighbouring ketonic carbonyl groups
How to use "diketone" in a sentence
Basic
Advanced
diketone
Method for producing cyclic diketone compound.
A diketone or dione is a molecule containing two ketone groups.
A pregnenedione is an unsaturated diketone derivative of a pregnane.
Dimedone is an example of a cyclic diketone.
Dibromomethyl diketone was added.
Numerous diimine and dioxime ligands have been prepared from this diketone.
We tested acetylacetone as the minimal diketone expected to generate the chromophore.
These catalytic reactions were also extended to other triketone and diketone substrates.
Hydrogenation of the diketone ring results in both cis and trans isomers.
Oxidative ionization of two sodium atoms on both diketone double bonds.
The diketone is then methylated by treatment with lithium diisopropylamide and methyl iodide.
Suitable photoinitiators include aromatic alpha hydroxyketone or a tertiary amine plus a diketone.
Certain diketone compounds which can exist in a weakly acidic enol form may also be included.
These two reactions can be carried out without isolating the intermediate diketone.
In another aspect the invention provides a composition comprising the diketone and a physiologically acceptable vehicle.
See also
Conversion of diketone to hydroxyester is analyzed by HPLC.
Alternative reagents may include other oxime reagents or substituted beta diketone types.
The resulting pyridyl diketone intermediate is utilized without purification in Step C.
Sodium bicarbonate treatment was effective to eliminate residual unreacted diketone from the reaction mixture.
Preferably, the diketone is directly reacted with the acid without previous purification.
The overall reaction rate between the aromatic aldehyde and the diketone complex is temperature related.
The diketone is offered by employing Baker - Venkatraman rearrangement.
Thus, the preferred diketone is acetylacetone.
The starting material is a monoprotected diketone 1.
Examples of such diketone compounds are,.
Treatment of the aminoketone with acid forms the diketone 6.
Unlike the alkylation of acyclic diketone salts, the predominant process in most cases is O-alkylation.
Number of molar equivalents introduced, relative to the starting diketone.
The inventive mixture designated OBM herebelow has a diketone component with the following composition,.
Such a use also provides remarkable inhibition of by-production of a diketone.
The stoichiometric ratio of aldehyde to diketone is theoretically 2:1.
The diketone 1a is combined with compound 2a in a suitable solvent.
The corresponding halogenated pyridine is commercially available . Diketone method.
As the diketone, a non-cyclic or a cyclic diketone may be mentioned.
Alternatively, the ketone may be oxidised to a diketone with HBr in DMSO.
The diketone obtained in example 39 is treated according to the mode of operation of example 42.
This acetylene is oxidized to provide the target diketone ( a ).
This diketone can be converted to the corresponding 2-dimethylaminomethylene compound by standard-procedures.
High regioselectivity was expected in the pyrazole formation of diketone 26.
The diketone is fixed on the magnesium halide in a quantity generally ranging from 1 to 20 % molar.
In step 2, the anion is reacted with an acetylating reagent to provide diketone 6.
The diketone 3 is condensed, without isolation or further purification, with the hydrazine to form pyrazole 6.
Exemplary oxyhydrocarbyl radicals are alkoxide, phenoxide, carboxylate, ketocarboxylate and diketone ( dione ).
In step 3, the reaction of diketone 9 with hydrazine or a substituted hydrazine, gives pyrazole 10.
Removal of the acetate protecting group and oxidation of the resulting alcohol gives diketone 1.22.
As the cyclic diketone, for example, a cyclic diketone having 5 to 12 carbon atoms may be mentioned.
Hexanedione ( Acetonylacetone ) is an aliphatic diketone.
The diketone diacetyl ( 2,3-butanedione ) has a buttery aroma and is present in almost all distilled beverages.
The solid product was filtered to give 36.5 kg of dry product diketone.
This is oxidized to the diketone IV-2.
