Well-defined CuC2F5 complexes and pentafluoroethylation of acid chlorides.
Four new well-defined Cu(I) complexes bearing a C2 F5 ligand have been prepared and fully characterized: [(Ph3 P)2 CuC2 F5 ] (2), [(bpy)CuC2 F5 ] (3), [(Ph3 P)Cu(phen)C2 F5 ] (4), and [(IPr*)CuC2 F5 ] (5). X-ray structures of all four have been determined, showing that the C2 F5 -ligated Cu atom can be di- (5), tri- (2 and 3), and tetracoordinate (4). The mixed phen-PPh3 complex 4 is a highly efficient fluoroalkylating agent for a broad variety of acid chlorides. This high-yielding transformation represents the first general method for the synthesis of RCOC2 F5 from the corresponding RCOCl.
['Panferova|Liubov I|LI|', 'Miloserdov|Fedor M|FM|', 'Lishchynskyi|Anton|A|', 'Martínez Belmonte|Marta|M|', 'Benet-Buchholz|Jordi|J|', 'Grushin|Vladimir V|VV|']
D002712:Chlorides D056831:Coordination Complexes D003300:Copper D018360:Crystallography, X-Ray D005461:Fluorine D007659:Ketones D008968:Molecular Conformation D010618:Phenanthrolines
pentafluoroethylation copper fluorine organometallic synthesis pentafluoroethyl ketones