Patent ID: 7572942
Filing Date: 2009-08-11
Classification: C07B,C07C

Abstract:
1. A process for the preparation of a compound of wherein R m is 1, 3 to 20, or a mixture thereof; Z is F when m is 1 and Z is selected from F, Cl, or H when m is 3 to 20 or a mixture thereof; a is 13 or 14; y and z are each 1; U is F; and T is —X wherein X is I or Br, comprising a) contacting a perfluoroalkyl metallic compound of formula wherein R M is selected from the group consisting of Zn, Cd, Mg, Ca, and amalgams thereof with Hg, X is I or Br, v is the valence of M, and w is 1, with b) contacting the acid from step a) with a fluorinating agent to yield R c) contacting the R d) contacting R