Preparation of 4- and 10-Fluorobenzofluoranthene via Cyclodehydration of Acetals and Cyclopropanecarboxaldehydes

Article abstract of DOI:10.1021/jo00307a020

Two procedures have been developed for the synthesis of 4-fluorobenzofluoranthene (4-fluoroBjF) and 10-fluoroBjF.Reaction of 9-fluoro-11H-benzofluoren-11-one (5) with the Grignard reagent prepared from 2-(2-bromoethyl)-1,3-dioxane provided hydroxy a