Examples of 'activated esters' in a sentence
Meaning of "activated esters"
activated esters - a type of chemical compound used in various organic reactions, typically created by combining a carboxylic acid with a coupling reagent
How to use "activated esters" in a sentence
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activated esters
Of particular interest are activated esters or alkylating agents.
Activated esters are also suitable acylating agents.
Acylating agents are not limited to activated esters.
Activated esters which are attenuated to provide enhanced selectivity are very efficient acylating agents.
Suitable acylating agents include activated esters and mixed anhydrides.
Activated Esters Examples of activated esters include thiols.
The structure and designations of the alternatively activated esters are shown below.
As a modification, the activated esters of the fragments may also be used.
Alternatively, cyclization can be accomplished using activated esters.
By way of a modification, the activated esters of the fractions may be employed.
The activated esters of amino acids are formed directly on a “ crown ” during the coupling reaction.
Alternatively, coupled as activated esters.
Examples for activated esters are pentachloro - or pentafluorophenole esters of carboxylic acid II.
Where necessary, carboxylic acid derivatives were converted to activated esters prior to attachment.
Activated esters are advantageously formed in situ, for example through addition of HOBt or N hydroxysuccinimide.
See also
Acetyl chloride or methanesulphonylchloride alkyl esters, activated esters and symmetrical and mixed anhydrides.
Exemplary activated esters of an acid include maleamic acid, mono-ethyl fumarate and BOC-glutamine.
The reactive groups carried by the reactive hydrophilic coating polymer may include activated esters e . g.
Fragment coupling of protected oligopeptide activated esters i with protected oligopeptide C-terminal amide nucleophiles ii.
See Atherton et al . for other examples of activated esters.
These chemical groups are activated esters that have the following formulas, given as non-exhaustive examples,.
Generally, compounds of Formula I can be prepared from bufalin through activated esters.
The remaining activated esters are then quenched with IM ethanolamine HCl ( pH 8 ).
In a preferred embodiment, activated derivatives include, for example, acyl halides, anhydrides, and activated esters.
Other activated esters and reaction conditions are well known ( See Atherton et al . ).
Activated derivatives of polyhydric acids include, for example, acyl halides, anhydrides, and activated esters.
Examples of activated esters include pentafluorophenyl ( PFP ) esters, N-hydroxysuccinimide esters, and the like.
EXAMPLE 19 Further examples of alternatively activated esters are shown in Table 45.
The remaining activated esters are then quenched with I M ethanolamine HCl ( pH 8 ).
Activated esters include, for example, succinimido, phthalimido or 4-nitrophenyl esters.
The remaining activated esters are then quenched with 1 M ethanolamine HC 1 ( pH 8 ).
The remaining activated esters are then quenched with 1M ethanolamine HCI ( pH 8 ).
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