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Hello. You can use cyclohexyl bromide to react it with ethyl acetoacetate to get the Ethyl 2-cyclohexyl-3-oxobutanoate. Then you can turn the intermediate into Cyclohexyl-2-Propanone. Then react Cyclohexyl-2-Propanone with methylamine in a water ethanol solution and do reductive amination with Aluminum Galinstan (Al/GaInSn) to produce freebase Propylhexedrine. Then filter it through a Buchner funnel and recover the Galinstan for future use while drying the filtered stuff with magnesium sulfate. Then bubbling HCl gas to get Propylhexedrine HCl.