Examples of 'coupling reagent' in a sentence
Meaning of "coupling reagent"
coupling reagent - a chemical substance used in organic synthesis to facilitate the formation of a chemical bond between reactants
How to use "coupling reagent" in a sentence
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coupling reagent
Dicyclohexylcarbodiimide is used as the coupling reagent.
Selection of an appropriate coupling reagent is within the skill of the art.
The reaction is generally implemented with a dehydrative coupling reagent.
The selection of an appropriate coupling reagent follows established art.
The reaction is preferably carried out in the presence of a coupling reagent.
It is preferred that a dimethyl suberimidate coupling reagent be used in the present invention.
The reaction can be conducted in the presence of a suitable coupling reagent.
The coupling reaction may occur with a coupling reagent that activates the acid functionality.
The rubber composition of the present invention preferably contains a silane coupling reagent.
This solid phase coupling reagent thus incorporates carbodiimide linkages as part of the polymer backbone.
Amide formation using a coupling reagent.
The coupling reagent also reacts with other free carboxyl groups also giving acylisothiocyanate derivatives.
Preparation of the coupling reagent.
A preferred coupling reagent for this reaction is DCC.
Typical polymerization termination reactions utilizing a coupling reagent are illustrated below.
See also
The preferred coupling reagent in this instance is HBTU.
The coupling reaction can proceed using any suitable amide coupling reagent.
HCTU is an aminium coupling reagent used in peptide synthesis.
The reactive derivative may be prepared in the reaction system using a coupling reagent.
A preferred coupling reagent is a carbodiimide and a particularly preferred reagent is DIPC.
PPAA is a particularly preferred peptide coupling reagent.
One particular coupling reagent comprises EDC in combination with HOBt.
TBTU was used as the coupling reagent.
Coupling reagent E is primarily used in the synthesis of various amides.
A preferred technique uses DCC as the coupling reagent.
By way of example only the coupling reagent is HATU and the base is diisopropylethylamine.
Process c Acids and amines may be coupled together in the presence of a suitable coupling reagent.
A more preferred peptide coupling reagent is EDC.
Advantageously, the coupling reagent is a coupling reagent conventionally used in peptide coupling.
TBTU was used instead of HATU as coupling reagent.
HATU was used as coupling reagent together with DIPEA as base.
Layer B consists of at least one coupling reagent.
A preferred coupling reagent is TBTU.
Alternatively, amidation is carried out in the presence of a coupling reagent.
In certain embodiments, the coupling reagent is a carbodiimide.
In some embodiments, the coupling conditions comprise an amide coupling reagent.
In certain embodiments, the coupling reagent is an anhydride.
In certain embodiments, the coupling is achieved with a suitable coupling reagent.
In certain embodiments, the coupling reagent comprises a palladium.
In certain embodiments, the coupling reaction is performed in the presence of a coupling reagent.
A particularly preferred coupling reagent is EDC.
In certain embodiments, the carboxyl protection is performed in the presence of a coupling reagent.
In certain embodiments, the coupling reagent is acetic anhydride.
The coupling reagent in step ( a ) may contain acetic anhydride and phosphoric acid.
An excess of cis-aminoindanol and coupling reagent is generally preferred.
The coupling reagent in step ( a ) may be a mixture of acetic anhydride and phosphoric acid.
Preferably, the esterification is carried out using a coupling reagent and / or a catalyst.
Amide formation using a coupling reagent and acid mediated tert - butylcarbamate deprotection.
In certain embodiments, the reaction conditions comprise both a coupling reagent and a catalyst.
The reduction / oxidation coupling reagent is a source of reducing agents.
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