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。
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。
With strong bases under ultrasonication and phase - transfer catalysis, the reaction of 7, 7 -dihalocarane and haloform can generate halogen exchanges.
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