Carbon tetrachloride replacement?

Sciencenutz

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What would a suitable replacement be in this ketamine synthesis? I'm thinking maybe thf could work? Any recommendations

Step 2: alpha-bromo (o-chlorophenyl)-cyclopentyl ketone.
To 21.0 g of the above ketone is added 10.0 g of bromine in 80 ml of carbon tetrachloride dropwise at 0 °C. After all the Br2 has been added, an orange suspension forms. This is washed with a dilute aqueous solution of sodium bisulfite and evaporated to give 1-bromocyclopentyl-(o-chlorophenyl)-ketone, bp 111-114 °C (0.1 mm Hg). Yield is ~66%. This bromoketone is unstable and must be used immediately. Also, attempts to distill it at 0.1 mm Hg lead to some decomposition, so it should be used without further purification.
 

CCL4 huffer

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i think cloroform should be good replacement no clue if it would impact the synthesis tho i presume not .
 
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