Multiple Halogenations The a-halo ketone produced is more reactive than ketone. Enolate ion stabilized by e--withdrawing halogen. 0 0H,H20 Multiple Halogenations ◼The -halo ketone produced is more reactive than ketone. ◼Enolate ion stabilized by e--withdrawing halogen. O H Cl Cl2 OH , H2O _ O Cl Cl O Cl C Cl l O Cl C Cl l Cl