申请人:Avecia Limited
公开号:US06362376B1
公开(公告)日:2002-03-26
2-Benzyloxyalkyl halophenones of the formula (3):
wherein X1 and X2 are each independently H, Cl or F, provided that at least one of X1 and X2 is Cl or F; one of R3 and R4 is H and the other is optionally substituted benzyloxy; and R5 is an unsubstituted alkyl, preferably a C1-6 alkyl group. The compounds are useful as intermediates for preparing 2-hydroxyalkyl halophenones.
公式(3)的2-苄氧基烷基卤代苯酮,其中X1和X2各自独立地为H、Cl或F,但至少其中一个为Cl或F;R3和R4中的一个为H,另一个为可选的取代苄氧基;R5为未取代的烷基,最好是C1-6烷基。该化合物可用作制备2-羟基烷基卤代苯酮的中间体。