Examples of 'di-tert-butyl' in a sentence
Meaning of "di-tert-butyl"
Di-tert-butyl is a chemical compound containing tert-butyl groups, often used in organic chemistry
How to use "di-tert-butyl" in a sentence
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di-tert-butyl
By treatment with di-tert-butyl dicarbonate in the presence of a base like dimethylaminopyridine.
The compositions of the invention generally contain a portion of di-tert-butyl polysulfides.
Distillation at reduced pressure removes the di-tert-butyl ether impurities and isobutylene oligomers overhead.
The infrared spectrum indicated that the product contained a mixture of di-tert-butyl polysulfides.
The resulting compound and di-tert-butyl dicarbonate were allowed to undergo the reaction in THF.
XXXII can be prepared after reaction of amino piperidone XIII with di-tert-butyl dicarbonate.
The level of di-tert-butyl ethers remaining in the DPTB product will then be quite small.
Many useful peroxides are commercially available such as di-tert-butyl peroxide or cumene hydroperoxide.
Di-Tert-Butyl Disulfide is an important materials of lots of useful sulphur compounds.
Excellent results have been obtained with di-tert-butyl peroxide and it is currently preferred.
Di-tert-butyl dicarbonate is inexpensive, so it is usually purchased.
The chromatographic monitoring makes it possible to determine the di-tert-butyl trisulphide content formed over time.
A solution of di-tert-butyl dicarbonate in tetrahydrofuran is added dropwise.
The second distillation is intended to remove di-tert-butyl ether impurities from DPTB.
Concentrated di-tert-butyl ether is obtained as an overhead distillate.
See also
The acid B can be provided by reacting cyclic amine A with di-tert-butyl dicarbonate followed by saponification.
Di-tert-butyl dicarbonate is a reagent widely used in organic synthesis.
This liquid contains a mixture of di-tert-butyl polysulfides.
Di-tert-butyl peroxide was recently introduced onto the market.
In one embodiment, the amine protecting reagent is di-tert-butyl dicarbonate.
Unfortunately, di-tert-butyl ethers derived from dipropylene glycol are not miscible with water.
Examples are the synthesis of tert-butyl diazoaceate and di-tert-butyl diazomalonate.
Preferred examples thereof include di-tert-butyl dicarbonate and tert-butyloxycarbonyl chloride.
The initiators are preferably tert-butyl peroxybenzoate and or di-tert-butyl peroxide.
Thus, di-tert-butyl chromate is the preferred chromium compound for the decomposition of cyclohexyl hydroperoxide.
Examples of desirable initiators include di-tert-butyl peroxide and di-tert-amyl peroxide.
When the nitrogen protecting group is tert-butoxycarbonyl the preferred activated form is di-tert-butyl dicarbonate.
This paper teaches the use of di-tert-butyl dicarbonate with hydroxylamine to prepare t-butyl aminocarbonate.
At the bottom of the distillation column, the solution of di-tert-butyl chromate is recovered.
EXAMPLE 2 Production of di-tert-butyl polysulphides by reaction of tert-butyl mercaptan with sulphur.
The process of claim 1 wherein the reaction product comprises a mixture of di-tert-butyl polysulfides.
The nitrated derivatives of the di-tert-butyl phenols are accessible according to a method described in J. Org.
Said radical scavengers include butyl hydroxy toluene, hydroquinone, di-tert-butyl hydroquinone and the like.
The synthesis of di-tert-butyl chloromethyl phosphate ( IX ) is illustrated in Scheme I below.
Table 1 gives the relative volatility data of di-tert-butyl ether to DPTB.
Di-tert-butyl peroxide may also be present.
Process ( f ) A suitable phosphine is triphenylphosphine and a suitable diazo compound is di-tert-butyl hydrazodicarboxylate.
Of these, di-tert-butyl dicarbonate is more preferred.
Reclassification of di-tert-butyl peroxide.
The di-tert-butyl ester used as starting material was obtained as follows, -.
A process according to claim 20, wherein the dicarbonate is di-tert-butyl dicarbonate.
Similarly, dicarbonates, such as di-tert-butyl dicarbonate, may be employed to provide carbamates.
For example, reaction with t-butyl chloride yields trans di-tert-butyl hyponitrite.
Examples include tert-butyl hydroperoxide, di-tert-butyl peroxide, tert-butyl perbenzoate and cumene hydroperoxide.
The filtrate and washings were combined and to this was added 1.02 g of di-tert-butyl dicarbonate.
Any excess di-tert-butyl dicarbonate was removed by heating at 70 °C under high vacuum.
In step four, pyrazole was treated with dimethylformamide di-tert-butyl acetal to give enaminone ( 5 ).
The flexible polymeric pipe of clause 1, wherein the cross-linking agent comprises di-tert-butyl peroxide.
Peroxy compounds such as peroxides ( for example, di-tert-butyl peroxide ), peresters and hydroperoxides ;.
The flexible polymeric pipe of claim 1, wherein the cross-linking agent comprises di-tert-butyl peroxide.
