Zinc Tetrafluoroborate-Catalyzed Efficient Conversion of Aldehydes to Geminal Diacetates and Cyanoacetates.

BC Ranu, J Dutta, A Das

Index: Ranu, Brindaban C.; Dutta, Jyotirmoy; Das, Arijit Chemistry Letters, 2003 , vol. 32, # 4 p. 366 - 367

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Citation Number: 51

Abstract

A trace of an aqueous solution of zinc tetrafluoroborate was demonstrated to catalyze the conversion of an aldehyde to its 1, 1-diacetate by acetic anhydride without any solvent. A similar reaction of an aldehyde with a mixture of potassium cyanide and acetic anhydride in methylene chloride was also catalyzed by Zn (BF 4) 2 to provide the corresponding geminal cyanoacetate.