[S:1]1[C:5]2=[N:6][CH:7]=[CH:8][CH:9]=[C:4]2[CH:3]=[C:2]1[CH2:10]O.S1C2C(=[N:16]C=CC=2)C=C1CN>>[S:1]1[C:5]2=[N:6][CH:7]=[CH:8][CH:9]=[C:4]2[CH:3]=[C:2]1[CH2:10][NH2:16]Intermediate E was prepared from thieno[2,3-b]pyridine-2-ylmethanol (E-2) following similar procedures for synthesizing intermediate C from C-4, as described above. MS (m/z): 165 (M+1)+.
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