3-Hydroxybenzaldehyde → 3-(t-Butyldimethylsilyloxy)benzaldehyde

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Reaction Steps

tert-butyldimethylsilyl chloride (3.7 g, 1.5 eq) was added portionwise to a solution of 3-hydroxybenzaldehyde (2.0 g, 16 mmol), triethylamine (3.4 mL, 1.5 eq) and dimethylaminopyridine (50 mg, 0.025 eq) in DCM (100 mL). After stirring for 2 h at rt, water was added. The aqueous phase was extracted with DCM, the combined organic phases dried over sodium sulfate and concentrated in vacuo to afford 3-((tert-butyldimethylsilyl)oxy)benzaldehyde (3.6 g, 16 mmol, 100%).

Provenance & Evidence