Examples of 'tertiary alkyl' in a sentence
Meaning of "tertiary alkyl"
tertiary alkyl - In chemistry, tertiary alkyl refers to a specific type of carbon compound where the carbon atom is attached to three other alkyl groups
How to use "tertiary alkyl" in a sentence
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tertiary alkyl
Is preferably a secondary or tertiary alkyl group.
Mixtures of tertiary alkyl primary amines are also useful for the purposes of this invention.
Furthermore a broad variety of possible tertiary alkyl groups are mentioned.
Tertiary alkyl halides do not react at all but yield the related olefines by elimination.
Process for manufacturing a tertiary alkyl ether by reactive distillation.
Examples of sterically large substituents are secondary or tertiary alkyl substituents.
Process for the production of a tertiary alkyl ether comprising a fractionation section.
The present invention relates to the preparation of tertiary alkyl ethers.
Particularly preferred of these groups are tertiary alkyl groups and secondary or tertiary aralkyl groups.
Embodiments disclosed herein relate generally to the production of tertiary alkyl ethers.
The tertiary alkyl ethers are particularly for use as additives for internal combustion engine fuels.
This invention relates to the production of alkyl tertiary alkyl ether compounds.
Both molecules have a cyclic tertiary alkyl amine group at one terminus that can be alkylated.
The invention will greatly simplify oxygenate removal in production of tertiary alkyl ethers.
Ether compounds and especially alkyl tertiary alkyl ethers are valuable additives for gasoline blends.
See also
The t-alkyl may in principle be any protective tertiary alkyl group.
R â‚„ is a tertiary alkyl or tertiary alkyloxy group.
These objectives are better obtained by the use of secondary or tertiary alkyl lithium initiators.
Preferably, tertiary alkyl haloacetates are used.
Secondary or tertiary branched alkyl groups are preferred with tertiary alkyl groups being most preferred.
An initiator of a tertiary alkyl halide, tertiary aralkyl halide or tertiary polymeric halide ;.
R3 may be selected from any alkyl other than a tertiary alkyl.
A most preferred alkyl halide is the tertiary alkyl halide which is tertiary-butylchloride.
Calcium or magnesium, or with an organic primary, secondary or tertiary alkyl amine.
The method of claim 4, wherein said tertiary alkyl haloacetate is tertiary butyl haloacetate.
In tertiary alkyl groups, the carbon atom of attachment is substituted with three organic radicals.
The product of claim 2 wherein the mercaptan is a tertiary alkyl mercaptan.
Representative tertiary alkyl groups are tertiary butyl, tertiary amyl, tertiary hexyl and tertiary octyl.
The alkyl substituent is preferably a tertiary alkyl group eg a tert-butyl group.
The reagent comprises a mixture of elemental sulfur, a solvent for sulfur, and tertiary alkyl amine.
Examples of useful chain transfer agents include tertiary alkyl mercaptans, mercaptoethanol, ethanol and isopropanol.
Preferred are the alkali metal carbonates, alkaline earth carbonates and tertiary alkyl amines.
E1 typically takes place with tertiary alkyl halides, but is possible with some secondary alkyl halides.
A process for the production of a tertiary olefin by decomposing a tertiary alkyl ether, comprising,.
Accordingly, these tertiary alkyl esters are conventionally cleaved with acid, typically with TFA.
The electrolyte comprises an organo-sulfur compound and an adduct of a tertiary alkyl amine with polyepichlorohydrin.
Preferably, tertiary alkyl haloacetates of the formula, wherein,.
The present invention provides a process for producing a tertiary olefin by decomposing a tertiary alkyl ether, comprising,.
R ² is a tertiary alkyl group as described and is most often t-butyl.
Thus alkyl groups include primary alkyl groups, secondary alkyl groups, and tertiary alkyl groups.
The tertiary alkyl cation precursor may be an alcohol, ester, ether, halogen or olefin.
Suitable alkyl halides include secondary alkyl halides, tertiary alkyl halides, propargyl halides and allyl halides.
In certain embodiments, R3 is selected from any alkyl other than a tertiary alkyl.
In one embodiment, the tertiary ester reagent is a tertiary alkyl haloacetate, such as a t-butyl haloacetate.
The remaining quantity of less than 40 % may be a secondary alkyl and / or a tertiary alkyl group.
The method of claim 1, wherein said tertiary alkyl haloacetate comprises the formula, wherein.
The SN1 mechanism therefore dominates in reactions at tertiary alkyl centers.
Tertiary alkyl groups of the formula: where each R' is independently:.
In one preferred embodiment, R9 is a secondary alkyl group or a tertiary alkyl group.
Yet another PRIMENE, PRIMENE TOA has tertiary alkyl chains and a molecular weight of 129.
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