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2005
Protection
O 0345
16- 060
Facile Catalyzed Acylation of Alcohols, Phenols, Amines and Thiols Based on
ZrOCl2·8H 2O and Acetyl Chloride in Solution and in Solvent-Free Conditions.
— The acylation of alcohols, amines and thiols with carboxylic acid chlorides is efficiently promoted by catalytic amounts of Zr(IV) oxychloride. In a solvent-free medium, similar yields are obtained and the reaction time (generally in the range of some
minutes to some hours in MeCN or CH2Cl2) is reduced in many cases. — (GHOSH*,
R.; MAITI, S.; CHAKRABORTY, A.; Tetrahedron Lett. 46 (2005) 1, 147-151; Dep.
Chem., Jadavpur Univ., Calcutta 700 032, India; Eng.) — Mais
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