英語 での Nucleophilic の使用例とその 日本語 への翻訳
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Nucleophilic fluorination of electron-rich aromatic rings.
Conversely, pyridines are susceptible to nucleophilic attack.
Step 2 is the same nucleophilic attack process found in an SN1 reaction.
Pyridine alone cannot result in the formation of several nucleophilic substitutions.
Nucleophilic substitution and addition of nitrile anions under basic conditions.
These reagents all react via SN2 nucleophilic substitutions.
E1-43 Nucleophilic substitution of hyperbranched polystyrene bearing terminal benzylic halides.
The second step is the same as the process of nucleophilic attack that is found in the SN1 reactions.
A nucleophilic substitution reaction is one where a nucleophile(electron-rich Lewis base) replaces a leaving group from a carbon atom.
The two regions are the sites of acid/base catalysis and nucleophilic attacks respectively.19 a See article by M. Jedrzejas in this series.
Nucleophilic substitution of this type has been previously reported for the reaction between fluorinated C60 and alkyl lithium species(Taylor, et al., 1992).
The OH groupis not a good leaving group in nucleophilic substitution reactions, so neutral alcohols do not react in such reactions.
The reaction of aromatic halides with arylboronic derivatives yields the corresponding biphenyl derivatives.* Grignard reaction The Grignard reaction is an important method in organic synthesis for the preparation of carbon-carbon single bonds,mainly by combining nucleophilic alkyl- or arylmagnesium halides with electrophilic compounds like aldehydes, ketones or esters to yield alcohols.
The latter used in the nucleophilic substitution reaction, also used as alcohol hydroxyl protective group.
Pyridines undergo electrophilic substitution reactions(SEAr) more reluctantly but nucleophilic substitution(SNAr) more readily than benzene.
Unlike benzene, numerous nucleophilic substitutions can be effectively and efficiently be sustained by pyridine.
The bromo can used a founctional group reacted with nucleophilic reagents such as thiol group for bioconjugation and PEGyation.
As shown in H, the nucleophilic attack of an activated water molecule on the anomeric carbon atom occurs in concert with the reaction of-COOH on the oxygen atom in the glycosyl bond to complete the hydrolysis at once, a fact which does not permit an intermediate such as M. A recent review J. Appl.
Other polishing enhancers include nucleophilic amines and alkanolamines, which can be present in amounts from 0.01% to 30%, for example between 0.01% and 3%.
Compared to existing reports about nucleophilic allylation reactions, hydrosilylation reactions, and carbon dioxide conversion reactions, the activity of the developed catalyst is more than an order of magnitude higher.
TBL is more reactive than the t-butyl Grignard reagent in nucleophilic additions to carbonyl and nitrile substrates. TBL is also useful in the displacement of halide or alkoxide ligands of inorganic compounds, such as Phosphorus, Silicon, Tin, and Titanium.