[NH2:1][C:2]1[CH:10]=[C:9]2[C:5]([CH2:6][NH:7][C:8]2=[O:11])=[CH:4][CH:3]=1.Br[CH2:13][CH2:14][CH2:15][CH2:16]Br>>[N:1]1([C:2]2[CH:10]=[C:9]3[C:5]([CH2:6][NH:7][C:8]3=[O:11])=[CH:4][CH:3]=2)[CH2:16][CH2:15][CH2:14][CH2:13]1The starting material 6-pyrrolidin-1-yl-2,3-dihydro-isoindol-1-one was prepared from 6-amino-2,3-dihydro-isoindol-1-one (CAS 675109-45-2) and 1,4-dibromobutane in analogy to the precedure described in example 56.
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