Stereospecific Mono-and Difluorination of the C 7 -Bridge of Norbornenes. -A series of norbornenes of type (II), (IV), and (VI), which are mono-or difluorinated at the C7 bridge, are prepared using DAST as fluorinating agent. -(RAJSFUS, D. E.; ALTER-ZILBERFARB, S.; SHARON, P.; MEADOR, M. A. B.; FRIMER*, A. A.; J. Fluorine Chem. 132 (2011) 5, 339-347, http://dx.doi.org/10.