Scheme 2From: An efficient preparation of labelling precursor of [11C]L-deprenyl-D2 and automated radiosynthesisi-a) LiBH4, TMS-Cl, THF, r.t., 12 h, 92%; i-b) LiBH4, EtOH-H2O, r.t., 1 h, 82%; ii) (Boc)2O, H2O, 79%; iii) Triphenylphosphine, iodine, imidazole, CH2Cl2, 80%; iv) N-selectride, THF, 93%; v) a) TFA, CH2Cl2; b) 6, K2CO3, DMF, 61% two stepsBack to article page