Examples of 'trifluoromethanesulfonate' in a sentence
Meaning of "trifluoromethanesulfonate"
Trifluoromethanesulfonate is an adjective describing a chemical compound with a specific chemical structure
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- triflate
How to use "trifluoromethanesulfonate" in a sentence
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trifluoromethanesulfonate
It is ranked as less powerful than methyl trifluoromethanesulfonate.
Trifluoromethanesulfonate ion is most suitable.
Reaction with sterol using trimethylsilyl trifluoromethanesulfonate.
Zinc trifluoromethanesulfonate or zinc triflate is the zinc salt of trifluoromethanesulfonic acid.
To this solution an excess of methyl trifluoromethanesulfonate was added.
Chloro and trifluoromethanesulfonate are preferred due to their wide commercial availability.
The silylating agent is typically a silyl chloride or trifluoromethanesulfonate.
Tf refers to trifluoromethanesulfonate.
The peptides and the synthesized glycopeptides are present as trifluoromethanesulfonate salts.
A catalyst such as silver trifluoromethanesulfonate may also be added to accelerate the reaction.
A suitable aromatic group can be provided by an aromatic halide or aromatic trifluoromethanesulfonate reagent.
Also, the trifluoromethanesulfonate ester of such hydroxy derivative can act as a Y-group as described.
Trifluoromethanesulfonic acid and scandium trifluoromethanesulfonate are the preferred catalysts.
Preferred sulfonate groups are methanesulfonate, para-toluenesulfonate group or trifluoromethanesulfonate.
Formation of the trifluoromethanesulfonate.
See also
The most preferred silylating agent is tert-butyldimethylsilyl trifluoromethanesulfonate.
In the case of the trifluoromethanesulfonate or methanesulfonate, Tf2O or Ms2O can also be used.
This may be etherified with dietoxyphosphonylmethyl trifluoromethanesulfonate as described above.
Then 1.8 g zinc trifluoromethanesulfonate are added, and the mixture is stirred for 3 hours at room temperature.
The product obtained is precipitated in the form of the trifluoromethanesulfonate by adding trifluoromethanesulfonic acid.
The rate of reaction is even faster with stronger methylating agents, such as methyl trifluoromethanesulfonate.
Among these, lithium perchlorate and lithium trifluoromethanesulfonate are particularly preferred.
Preferred silylating agents in this case also include tert - butyldimethylsilyl chloride and tert - butyldimethylsilyl trifluoromethanesulfonate.
Such groups include methanesulfonate, p-toluenesulfonate, benzenesulfonate, trifluoromethanesulfonate and halogens, for example chlorine and bromine.
A non-coordinating counteranion is for example, tetrafluoroborate, hexafluorophosphate, hexafluoroantimonate or trifluoromethanesulfonate.
In yet another aspect, R2v is trifluoromethanesulfonate or p-toluenesulfonate.
Suitable leaving groups on the pyridine include halide, nitro, and trifluoromethanesulfonate.
Trifluoromethanesulfonate = triflate TLC = thin layer chromatography.
Glycosyl trichloroacetimidates can use Lewis acids such as trimethylsilyl trifluoromethanesulfonate or boron trifluoride etherate.
Trifluoromethanesulfonate of general formula ( 1 ) in which.
The Lewis acid comprises zinc trifluoromethanesulfonate.
Among these, copper ( II ) trifluoromethanesulfonate and copper ( I ) trifluoromethanesulfonate are preferable.
A preferred silylating agent is t-butyldimethylsilyl trifluoromethanesulfonate.
Then, 1.07g of trimethylsilyl trifluoromethanesulfonate was added at room temperature.
If reaction is not complete, add additional methyl trifluoromethanesulfonate.
Then, 1.5 mL of t-butyldimethylsilyl trifluoromethanesulfonate were slowly added.
The process of Claim 2, wherein said selective alkylation catalyst is trimethylsilyl trifluoromethanesulfonate.
Exemplary groups of formula ( VII ) include trifluoromethanesulfonate ( triflate ) and p-toluenesulfonate ( tosylate ).
In a preferred embodiment, the Lewis acid is trimethylsilyl trifluoromethanesulfonate.
As a deprotecting agent, zinc bromide and trimethylsilane trifluoromethanesulfonate etc . can be used.
Specific examples include methyl p-toluenesulfonate, methyl 2-nitorobenzenesulfonate and methyl trifluoromethanesulfonate.
X is iodine, bromine, chlorine or trifluoromethanesulfonate.
It is shown that 3,4-dihydroisoquinolines are activated toward nucleophilic attack by reaction with trimethylsilyl trifluoromethanesulfonate.
As used herein the term " triflate " refers to a trifluoromethanesulfonate of formula -OSO2CF3.
The process of Claim 1, wherein said catalyst is trimethylsilyl trifluoromethanesulfonate.
These typically comprise halide ions, methanesulfonate, trifluoroacetate, trifluoromethanesulfonate or p-toluenesulfonate.
As used herein, TMS triflate or TMS-OTf means trimethylsilyl trifluoromethanesulfonate.
The transformation 1 to 2 is similarly applicable to bromide 3 and trifluoromethanesulfonate 4 to give boronate 5.
X signifies a leaving group such as, e.g. chlorine, bromine or trifluoromethanesulfonate.
The Lewis acid comprises yttrium ( III ) trifluoromethanesulfonate.
