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

Participants

Reaction Steps

A solution of 3-hydroxy benzaldehyde (183.6 g, 1.50 mol), tert-butylchlorodimethylsilane (227.6 g, 1.50 mol), and imidazole (255.4 g, 3.75 mol) in 700 mL of dimethylformamide was stirred overnight at room temperature. The reaction solution was poured into 1700 mL of water and extracted with three 350 mL portions of diethyl ether. The combined ether extracts were washed with two 350 mL portions of 1.0M sodium hydroxide, 350 ml of water, and 350 mL of saturated aqueous sodium chloride. The ether solution was dried over sodium sulfate and the solvent removed to give 268 g (76%) of 3-(tert-butyldimethylsilyloxy)benzaldehyde as a yellow oil.

Provenance & Evidence