申请人:Williams Lorenzo
公开号:US20120244072A1
公开(公告)日:2012-09-27
The present invention relates to an improved synthesis of N-monofluoroalkyl tropanes using fluoroalkyl iodides or fluoroalkyl sulfonate esters. The invention also provides the use of such method to prepare the non-radioactive tropane intermediate FP-CIT, and its subsequent conversion to the
123
I-labelled radiopharmaceutical DaTSCAN™ (
123
I-ioflupane). Also provided is the use of fluoroalkyl iodides or fluoroalkyl sulfonate esters in the alkylation method of the invention.