Examples of 'orthoformate' in a sentence
Meaning of "orthoformate"
orthoformate (noun) - Orthoformate is a chemical compound that is used as a reagent in organic synthesis. It is a noun that refers to a specific type of compound with distinct chemical properties
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- Any orthoester, formally derived from formic acid, of general formula HC(OR)₃
How to use "orthoformate" in a sentence
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orthoformate
Of triethyl orthoformate and a catalytic amount of conc.
This is reintroduced immediately afterwards by using ethyl orthoformate.
Generally triethyl orthoformate or dimethylformamide dimethyl acetal are used.
A suitable dehydrating agent is for example trimethyl orthoformate.
In one embodiment the orthoformate is trimethylorthoformate.
A preferred drying agent is trimethyl orthoformate.
Excess orthoformate was removed under vacuum.
Specifically preferred are methyl orthoformate and ethyl orthoformate.
A preferred suitable mild dehydrating agent is trimethyl orthoformate.
More triethyl orthoformate and glacial acetic acid are added.
The aniline is heated in triethyl orthoformate.
The orthoformate and acetic anhydride are both used in excess.
The amide is dissolved in triethyl orthoformate and boiled.
Trimethyl orthoformate is a preferred solvent.
The most preferred water scavenger is an alkyl orthoformate.
See also
The excess ethyl orthoformate is driven off under reduced pressure.
The product of reaction of an aldehyde with trimethyl orthoformate is an acetal.
Examples of the orthoformate include trimethyl orthoformate and triethyl orthoformate.
Trimethyl orthoacetate was replaced by trimethyl orthoformate to get the desired compound.
A cyclic amidoxime compound can also be obtained by reacting with trimethyl orthoformate.
Preferred examples of the orthoformates include methyl orthoformate and ethyl orthoformate.
They are preferably added in the order of acid and then trimethyl orthoformate.
The hydrazine compound is reacted with trimethyl orthoformate to synthesize a cyclic amidrazone compound.
The first step of this route is the reaction of an aniline with triethyl orthoformate.
Among them, trimethyl orthoformate is preferred.
In one embodiment, the orthoester is trimethyl orthoformate.
Dimethoxypropane, methyl or ethyl orthoformate or a molecular sieve can also be used.
The term TMOF refers to trimethyl orthoformate.
Reacting aminocyanacetamide with triethyl orthoformate to form an imidoester derivative of aminocyanacdamide ;.
In one embodiment, the cyclizing agent is triethyl orthoformate.
The orthoformate used is preferably ethyl orthoformate in the presence of p-toluene sulfonic acid.
Examples of the orthoformic acid triester include trimethyl orthoformate and triethyl orthoformate.
After cooling, the triethyl orthoformate was evaporated and the residue chromatography on silica gel.
Removal of phthalimide using hydrazine followed by reaction with trimethyl orthoformate gives a cyclic amidoxime compound.
As the orthoformate, methyl orthoformate or ethyl orthoformate may, for example, be used.
A process according to claim 2, wherein the trialkyl orthoformate is trimethyl orthoformate.
A process according to claim 1, wherein step a the esterification is performed by using a trialkyl orthoformate.
Reacting the product so formed with either trimethyl orthoformate or a dimethoxymethyl carboxylate ; or.
A process according to claim 18 wherein the dehydrating agent is trimethyl orthoformate.
In one embodiment, the cyclizing agent is triethyl orthoformate and the catalyst is pyridinium p - toluenesulfonate.
In another exemplary embodiment, the ring forming agent is trimethyl orthoformate.
After cooled to RT, triethyl orthoformate was removed under high vacuum.
Preferably, the mixture is stirred about 2 hours before adding the triethyl orthoformate.
Deprotection with TFA, followed by condensation with triethyl orthoformate yields the oxadiazolyl-substituted nitrotoluene.
Acetalisation Ytterbium ( III ) chloride is a powerful catalyst for the formation of acetals using trimethyl orthoformate.
This important intermediate can be reacted with triethyl orthoformate to provide fused imidazole I-6.
Dimethoxy carbenium fluoroborate, diethoxycarbenium fluoroborate, etc . prepared by the reaction of tri ( lower ) alkyl orthoformate e . g.
Alternatively, an orthoester such as orthoformate or orthoacetate, e . g.
Referring to method ( j ), an example of a protected aldehyde is trimethyl orthoformate.
To this was added 20 mL trimethyl orthoformate and 16 mL of methanol saturated with hydrogen chloride.
