5-Methoxyisatin → HCID 86731086, compound
Reaction equation
[OH:1][C:2]1[C:3](=[O:18])[N:4](C)[C:5]2[C:10]([C:11]=1[C:12]([O:14][CH2:15][CH3:16])=[O:13])=[CH:9][CH:8]=[CH:7][CH:6]=2.[CH3:19][O:20]C1C=C2C(=CC=1)NC(=O)C2=O>>[OH:1][C:2]1[C:3](=[O:18])[NH:4][C:5]2[C:10]([C:11]=1[C:12]([O:14][CH2:15][CH3:16])=[O:13])=[CH:9][C:8]([O:20][CH3:19])=[CH:7][CH:6]=2Participants
3
Procedure
Intermediate 27 was prepared as a white powder following the procedure described for Intermediate 16 by replacing indoline-2,3-dione with 5-methoxyindoline-2,3-dione. 1H NMR (400 MHz, DMSO-d6) δ ppm 12.20 (1 H, s), 10.22 (1 H, br. s.), 7.27 (1H, d, J=8.8 Hz), 7.04 (1H, dd, J=9.1, 2.5 Hz), 6.82 (1 H, d, J=2.5 Hz), 4.41 (2 H, q, J=7.1 Hz), 3.32 (3 H, s), 1.35 (3 H, t, J=7.1 Hz). LC-MS (ESI) m/z 264.0 (M+H), RT=1.64 min (Method B).
Sources & evidence
- ORD record
- ord-d1f03fa6777b48d08728494bf7b46903
- Source dataset
- uspto-grants-2015_02
- Patent number
- US08946430B2
Reaction notes
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