What question did this study set out to answer?

This research aims to explore the nucleophilicities of chloride and bromide ions in the butanol series using a novel approach.

March 28, 2026

The Competitive Reaction of Nucleophiles in the Butanol Series Revisited

Key Points

This research aims to explore the nucleophilicities of chloride and bromide ions in the butanol series using a novel approach.
Utilized 1-butanol, 2-butanol, and 2-methyl-2-propanol to study reactions.
Employed automated 1H-NMR spectroscopy for data collection.
Modified purification and extraction procedures for a large group of students.
Significantly reduced data acquisition time compared to gas chromatography.
Lowered costs of the experiment per student.

Abstract

An improved procedure for the study of the competitive reaction of nucleophiles in the butanol series is described. Starting with 1-butanol, 2-butanol and 2-methyl-2-propanol, the relative nucleophilicities of chloride and bromide ions during a nucleophilic substitution reaction are examined by automated 1H-NMR spectroscopy instead of the usual gas chromatography. While the reaction time, purification and extraction procedures were slightly modified and simplified to accommodate a large laboratory group (60 students); the data acquisition time was shortened considerably by use of the 1H-NMR method. Furthermore, the cost of the experiment per student was reduced significantly.

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Cite This Study

Merbouh et al. (Fri,) studied this question.

synapsesocial.com/papers/69c771348bbfbc51511e1218 https://doi.org/https://doi.org/10.1333/s00897132454a

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