The syntheses of trans-1-(1 fluoro-2-naphthyl)-2-phenyl-ethylene (1) and trans-1-(1-fluoro-2- naphthyl)-24 o-iodopheny1) ethylene (2) via the Wittig reaction as intermediates for the attempted photochemical synthesis of 7-fluorobenz [a] anthracene (3) have been de~ cribed.~ Unfortunately, insufficient 3 was made (only via 2 as use of 1 failed) for adequate testing for possible carcinogenic activity. Because of our interest in preparing larger ...
