[F:1][C:2]1[C:11]2[C:6](=[CH:7][CH:8]=[C:9]([O:12]C)[CH:10]=2)[CH:5]=[CH:4][CH:3]=1.B(Br)(Br)Br>>[F:1][C:2]1[CH:3]=[CH:4][CH:5]=[C:6]2[C:11]=1[CH:10]=[C:9]([OH:12])[CH:8]=[CH:7]2The title compound was prepared by reacting 1-fluoro-7-methoxynaphthalene (7.99 g, 45.34 mmol) with boron tribromide (68 mL of 1 N solution, 68 mmol) according to method D to yield 3.99 g (54%) of a red solid. An analytical sample was prepared by preparative reverse phase HPLC to yield a white solid: mp 89-92° C.;
Wird geladen…