HCID 18421399, compound → HCID 18421446, compound
Reaction equation
[C:1]([O:4][C:5]1[C:14]([CH3:15])=[C:13]2[C:8]([C:9]([CH3:19])=[C:10]([CH2:17]Br)[C:11](=[O:16])[O:12]2)=[CH:7][CH:6]=1)(=[O:3])[CH3:2].[C:20]1(=[O:30])[NH:24][C:23](=[O:25])[C:22]2=[CH:26][CH:27]=[CH:28][CH:29]=[C:21]12.[K]>CN(C=O)C>[C:1]([O:4][C:5]1[C:14]([CH3:15])=[C:13]2[C:8]([C:9]([CH3:19])=[C:10]([CH2:17][N:24]3[C:23](=[O:25])[C:22]4=[CH:26][CH:27]=[CH:28][CH:29]=[C:21]4[C:20]3=[O:30])[C:11](=[O:16])[O:12]2)=[CH:7][CH:6]=1)(=[O:3])[CH3:2]Participants
4
Reactant 2
Product 1
Reagents, catalysts & solvents 1
Procedure
A mixture of 7-acetoxy-3-bromomethyl-4,8-dimethylcoumarin (200 mg, 0.617 mmol) and potassium phthalimide (126 mg, 0.680 mmol) was stirred overnight at room temperature in DMF (3 mL). The slurry was poured into ice water, filtered and washed with a copious amount of water to remove traces of DMF to give 7-acetoxy-4,8-dimethyl-3-phthalimidomethylcoumarin, a creamy white solid after drying (221 mg, 91.7%). 1H NMR (CDCl3): δ 7.84-7.67 (m, 4H), 7.55 (d, J=8.8 Hz, 1H), 7.02 (d, J=8.8 Hz, 1H), 4.92 (s, 2H), 2.62 (s, 3H), 2.36 (s, 3H), 2.25 (s, 3H).