Tetrahedron Letters p. 8623 - 8625 (2003)
Update date:2022-08-28
Topics:
Sato, Kimihiko
Kishimoto, Tsutomu
Morimoto, Minoru
Saimoto, Hiroyuki
Shigemasa, Yoshihiro
A simple method for the hydrolysis of acetals and ketals was accomplished in neutral water or aqueous media by hydrothermal treatment without using acidic reagents. The deacetalization reaction was effectively accelerated in the presence of calcium chloride. Because no acidic catalysts were employed, neutralization of the reaction mixture was not necessary after the reaction. This sequence was successfully applied to the hydrolysis of chitosan, a biodegradable polyaminosaccharide.
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