Trifluoroacetic acid → HCID 86616298, compound
Reaction equation
[CH3:1][O:2][C:3]([C:5]1[CH:6]=[C:7]2[C:11](=[CH:12][CH:13]=1)[CH2:10][N:9](CC1C=CC(OC)=CC=1OC)[CH2:8]2)=[O:4].[C:25]1(OC)C=CC=CC=1.[C:33]([OH:39])([C:35]([F:38])([F:37])[F:36])=[O:34]>>[F:36][C:35]([F:38])([F:37])[C:33]([OH:39])=[O:34].[CH2:1]([O:2][C:3]([C:5]1[CH:6]=[C:7]2[C:11](=[CH:12][CH:13]=1)[CH2:10][NH:9][CH2:8]2)=[O:4])[CH3:25]Participants
4
Procedure
A solution of 2-(2,4-dimethoxy-benzyl)-2,3-dihydro-1H-isoindole-5-carboxylic acid methyl ester (215 mg) and anisole (200 μl) in 1 ml of TFA was heated at 140° C. for 30 minutes in a CEM discover microwave synthesiser. The reaction was partitioned between water and DCM, the water layer was separated, washed with DCM then evaporated and re-evaporated with toluene/MeOH (×2) to give 105 mg of the title compound. 1H NMR (DMSO-d6) 9.70 (2H, br s), 8.02 (1H, s), 8.98 (1H, d), 7.57 (1H, d), 4.60 (2H, s), 4.56 (2H, s), 3.89 (3H, s).
Workup
- customThe reaction was partitioned between water and DCM
- customthe water layer was separated
- washwashed with DCM
- customthen evaporated
- customre-evaporated with toluene/MeOH (×2)
Sources & evidence
- ORD record
- ord-0912635cb13d42929b69c4abd2a96658
- Source dataset
- uspto-grants-2010_07
- Patent number
- US07754725B2
Reaction notes
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