With strong bases under ultrasonication and phase - transfer catalysis, the reaction of 7, 7 -dihalocarane and haloform can generate halogen exchanges.
在强碱条件下，用超声辐射并使用相转移催化剂，二卤降蒈与卤仿反应发生卤素交换。
2
This paper indicates that organic compound containing structure of CH_3CO - and CH_3CHOH - is neither essential nor full condition is haloform reaction.