反应详情

In analogy to Examples 1 and 2, 9,10-difluoro-2,7-dibromophenanthrene and 9,9,10,10-tetrafluoro-2,7-dibromo-9,10-dihydrophenanthrene can be reacted with other Grignard reagents to give symmetrically substituted compounds of the formula (Ia1) and (Ia2).

1. customto give symmetrically substituted compounds of the formula (Ia1) and (Ia2)