Examples of 'oximes' in a sentence
Meaning of "oximes"
Oximes are a group of organic compounds containing the =NOH group, which are often used in chemical reactions to protect carbonyl compounds from unwanted side reactions
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- plural of oxime
How to use "oximes" in a sentence
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oximes
Suitable aromatic nitroso precursors include oximes.
The value of oximes remains uncertain.
Oximes can also serve as a suitable source of hydroxylamine.
Treatment with atropine and oximes is not indicated.
Process for preparing carboxamide oximes.
Oxidation of oximes or primary amines.
Process for oxidizing saturated primary amines to oximes.
Oximes can be synthesized by condensation of an aldehyde or a ketone with hydroxylamine.
The physical characteristics of these oximes are given hereafter.
Oximes are in either the syn or anti configuration or are mixtures thereof.
Suitable capping agents include oximes and lactams.
These oximes was converted to nitrile oxides by cycloaddition to provided these heterocycles.
Process for the preparation of amides from oximes.
Oximes can be dehydrated using acid anhydrides to yield corresponding nitriles.
Other suitable blocking agents include oximes and lactams.
See also
Oximes are usually generated by the reaction of hydroxylamine with aldehydes or ketones.
Such aldehydes are suitable complementary reactive groups to form oximes.
It reduces oximes to imines.
Oximes and hydroxyimides constitute a family of commonly used masking agents.
Process for the conversion of oximes into the corresponding amides.
Pure amide oximes can be obtained by recrystallization from alcoholic solvents.
The invention relates to a novel process for preparing carboxamide oximes.
Especially useful oximes are acetaldehyde oxime which is preferred and acetoxime.
Process for the preparation of lactams from the corresponding cycloalkanone oximes.
Oximes are prepared by the direct reaction of hydroxylamine with aldehydes and ketones.
The preparation involves the reduction of hydroxy oximes over a rhodium catalyst.
The water soluble amide oximes were chromatographed or used directly in the cyclization.
Nitrile oxides can conveniently be prepared by direct oxidation of the corresponding oximes.
Oximes are generally derived from the reaction of hydroxylamine with either aldehydes or ketones.
Aldehydes and ketones and their derivatives such as oximes and hydrazones are satisfactory.
The present invention relates to a process for the preparation of amides from oximes.
The production of cycloaliphatic oximes by the photochemical route has been known for many years.
The reduction may be carried out by conventional methods for reducing oximes to amines.
Oximes such as methyl ethyl ketoxime and lactams such as epsiloncaprolactam can also be used.
The compound of the invention thus has the advantage of lacking sulphur or oximes.
Some of the oximes of formula III are novel compounds.
This stereochemical dependence is then used to determine the preferred conformation of substituted cyclohexanone oximes.
This invention also relates to the formula II oximes described hereinabove.
Such herbicides belong mainly to the known chemical families aryloxyphenoxy propionates and cyclohexandione oximes.
The syn and anti oximes can be resolved using preparative HPLC.
The present invention provides a general and efficient method for converting oximes to enamides.
Background of the Invention Oximes are important organic derivatives of hydroxylamine.
For example compounds of formula XI can be prepared by halogenation of aldehyde oximes.
Reaction Scheme XI illustrates the preparation of oximes of the ketone on the benzopyranone ring.
Thionyl chloride has also been used to promote the Beckmann rearrangement of oximes.
In general, oximes have a strong band near.
This produces one of the beta hydrazones or beta oximes of Formula La.
O-substituted oximes form a closely related family of compounds.
Formula V illustrates inventive precursors derived from oximes.
The following oximes were synthesized by the same process,.
