US 7,579,498 B2
	Process for preparing fluorinated alkyl carboxylate esters
Mark Allen Andrews, Wilmington, Del. (US); Alexander Borisovich Shtarov, Wilmington, Del. (US); and Joseph Norman Hockman, Wilmington, Del. (US)
Assigned to E. I. du Pont de Nemours and Company, Wilmington, Del. (US)
Filed on Nov. 29, 2005, as Appl. No. 11/288,913.
Prior Publication US 2007/0123731 A1, May 31, 2007
Int. Cl. C07C 69/52 (2006.01); C07C 69/63 (2006.01)

U.S. Cl. 560—223  [560/226]

24 Claims

1. A process to prepare a fluorinated alkyl carboxylate ester in a solvent comprising: contacting a fluorinated alkyl iodide with (a) a silver salt of a carboxylic acid or (b) a carboxylic acid and a silver carboxylate precursor, wherein the solvent consists essentially of the carboxylic acid.