Triethylamine → Methanesulfonic acid 3-benzenesulfonyl-3-methylbutyl ester

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Reaction Steps

A solution of 3-benzenesulfonyl-3-methyl-butan-1-ol (2.17 g, 9.5 mmol), triethylamine (2.0 ml, 14.25 mmol), methanesulphonyl chloride (0.9 ml, 11.78 mmol) and 4-N,N-dimethylaminopyridine (12 mg, 0.01 mmol) was stirred at 0° C. for 45 min. After quenching with satd. NaHCO3, the mixture was extracted into dichloromethane. The combined organic extracts were dried (Na2SO4) and concentrated to give the title product (3.0 g).

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