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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 29, Number 1
BKCSDE 29(1)
January 20, 2008 

Reductive Acetylation of Carbonyl Compounds to Acetates with Pyridine Zinc Borohydride
Behzad Zeynizadeh*, Davood Setamdideh, Fariba Faraji
Zinc borohydride, Reductive acetylation, Carbonyl compounds, Pyridine
Reductive acetylation of a variety of carbonyl compounds such as aldehydes, ketones and α,β-unsaturated enals/enones was carried out efficiently with pyridine zinc borohydride, (Py)Zn(BH4)2, in a mixture of THFEtOAc at room temperature or under reflux condition. The corresponding acetates were obtained in high to excellent yields. In addition, chemoselective reductive acetylation of aldehydes over ketones was achieved perfectly with the reagent at room temperature.
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