Tetrahydrofuran → 1-Methyl-4-((4-(tributylstannyl)furan-2-yl)methyl)piperazine

Reaction equation

[Br:1][c:2]1[cH:3][c:4]([CH2:7][N:8]2[CH2:9][CH2:10][N:11]([CH3:14])[CH2:12][CH2:13]2)[o:5][cH:6]1.[C:15]([Li:16])([CH3:17])([CH3:18])[CH3:19].[CH2:20]([CH2:21][CH2:22][CH3:23])[Sn:24]([Cl:25])([CH2:26][CH2:27][CH2:28][CH3:29])[CH2:30][CH2:31][CH2:32][CH3:33].[CH2:34]1[O:35][CH2:36][CH2:37][CH2:38]1>>[c:2]1([Sn:24]([CH2:20][CH2:21][CH2:22][CH3:23])([CH2:26][CH2:27][CH2:28][CH3:29])[CH2:30][CH2:31][CH2:32][CH3:33])[cH:3][c:4]([CH2:7][N:8]2[CH2:9][CH2:10][N:11]([CH3:14])[CH2:12][CH2:13]2)[o:5][cH:6]1