Patent ID: 7446227

Claim:
A process of preparing N-methyl-5H-dibenzo (a,d)-cycloheptene-5-propanamine hydrochloride comprising reacting 5-dihydro dibenzocycloheptatriene with chloro propyl alcohol in the presence of an excess of n-butyl lithium to obtain 3-(5H-Dibenzo[a,d]cyclohepten-5-yl)-propan-1-ol, converting the resulting product to a compound having the formula wherein R is a leaving group, reacting the compound of formula (3) with methylamine solution in methanol to produce 5-(N-methyl-aminopropyl) dibenzocycloheptatriene and converting 5-(N-methyl-aminopropyl) dibenzocycloheptatriene to N-methyl-5H-dibenzo (a,d)-cycloheptene-5-propanamine hydrochloride.