| 21. | This is different from an electrophilic aromatic substitution reaction in which nitronium ions are the electrophile.
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| 22. | Both steps are reversible and as a result, nucleophilic acyl substitution reactions are equilibrium processes.
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| 23. | Chiral transmission is assumed to take place through so-called substitution reactions of serine clusters.
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| 24. | "' Iododesilylation "'is a substitution reaction of silyl group for iodide.
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| 25. | The Chan rearrangement is another example of a rearrangement resulting from an intramolecular nucleophilic acyl substitution reaction.
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| 26. | The second substitution reaction ( on the right ) is slower because the first nitro group is deactivating.
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| 27. | During his study of alkyl halides, Ingold found evidence for two possible reaction mechanisms for nucleophilic substitution reactions.
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| 28. | In this polar basic substitution reaction mechanism, thiocyanate ion extracts the acidic proton from benzoic acid while heated.
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| 29. | How could one tell whether a substitution reaction is proceeding via an associative rather than a dissociative reaction pathway?
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| 30. | In this context a substitution reaction was one such as { alcohol } + acid { ester } + water.
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