protonation In A Sentence
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- The coordination of the metal cation to the glutamate residue stabilizes the carbiocation intermediate after protonation.
- Excess acid locks the crown ether by protonation and again the complex is dethreaded.
- Addition of an acid results in a hypsochromic shift of both peaks as protonation of the tertiary amine results in an internal charge transfer.
- According to the mechanism , olefin protonation is a process of acid-alkali reaction , so the reaction is easy to happen when the acidity of catalyst and the basicity of olefin are very strong .
- This is done by the use of non-innocent ligands that participate in the reaction by protonation or deprotonation.
- It further propose that the last step, protonation of a cyclohexadienyl anion, occurred ortho with respect to these substituents.
- Glu113 serves as the counterion, stabilizing the protonation of the Schiff linkage between Lys296 and the chromophore.
- After protonation of the oxygen under strongly acidic conditions, triphenylmethanol loses water to form the triphenylmethyl ( " trityl " ) cation, e . g ., triphenylmethyl hexafluorophosphate.
- Firstly, it involves protonation of the hydroxyl group.
- Protonation prevents it acting as a ligand and the copper site geometry becomes trigonal planar.
- The maximal emission wavelength changes into 400 nm. Further analysis demonstrated that the above changes arise from the variation of protonation states of OFL molecule.
- It is very important to determine the protonation constants of tetraphenylporphyrin derivatives for studying their colorful performance.
- Birch did not accept this conclusion and continued suggesting meta protonation of the radical anion.
- Theoretically, Auger spectra can also be utilized to distinguish between protonation states.
- Another organic synthetic method using silver ( I ) fluoride is the BINAP-AgF complex catalyzed enantioselective protonation of silyl enol ethers:.
- In the exo-pyridyl isomer on the left, the usual steric hindrance control blocks protonation from above.
- It can be considered as a deenergized protonation reaction intermediate for the HeH + + CO ?.
- Other investigators have thought the protonation is meta ( 1, 3 ) to the substituent.
- Upon protonation, the unstable weak acid nitrous acid is produced.
- The state of protonation is usually not specified.
- It's difficult to find protonation in a sentence.
- As a consequence, bond rupture between C6 and C7 due to protonation of the former going through a carbanion state has been proposed.
- Influence of ionic strength, pH, etc. on the solubility, charge, and protonation of amino acids.
- Bothner-By in 1959 had given qualitative arguments favoring meta-protonation as had been suggested previously by Birch.
- Such a compound may exist with a different extent of protonation depending on pH and the acid dissociation constant.
- OMP protonation on O4 or O2 before decarboxylation, which entails and ilyde formation on N1, has also been considered.
- Protonation takes place at the nitrogen atom, not the phosphorus atom to which the nitrogen is double-bonded.
- Protonation is a part of fundamental chemical reaction and is a step in many optical properties, among others.
- Protonation of basic sites in systems comprising a chromophore and a luminescent metal center leads the way for pH sensors.
- My advice would be to describe the protonation and deprotonation reactions separately, and the qualitative factors favoring each.
- Rearrangement of this intermediate leads to protonation of the scissile amide which results in the splitting of the substrate peptide into two product peptides.
- Both batch and kinetics experiments were conducted to study the relationship of protonation and dissolution of Al with proton buffering in 4 red soils of south China.
- The site of protonation can be very important, for example, for biological activity.
- The structure of the various protonation states of the decavanadate ion has been examined by 51 V NMR spectroscopy.
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