M. Benincasa et al., DEPROTECTION OF ALPHA-HALO ALDEHYDES DIMETHYL ACETALS WITH ACETIC ANHYDRIDE-ACETYL CHLORIDE-SODIUM ACETATE TRIHYDRATE, Synthetic communications, 25(12), 1995, pp. 1843-1848
alpha-Halo aldehydes are regenerated in excellent yields from the corr
esponding dimethyl acetals by acetic anhydride-acetyl chloride-sodium
acetatetrihydrate in chloroform.