1-Bromo-3-(bromomethyl)-5-chlorobenzene → 2-(3-Bromo-5-chlorobenzyl)isoindoline-1,3-dione
반응식
[Br:1][C:2]1[CH:7]=[C:6]([Cl:8])[CH:5]=[C:4]([CH2:9]Br)[CH:3]=1.[C:11]1(=[O:21])[NH:15][C:14](=[O:16])[C:13]2=[CH:17][CH:18]=[CH:19][CH:20]=[C:12]12.[K]>CN(C=O)C>[Br:1][C:2]1[CH:3]=[C:4]([CH:5]=[C:6]([Cl:8])[CH:7]=1)[CH2:9][N:15]1[C:11](=[O:21])[C:12]2[C:13](=[CH:17][CH:18]=[CH:19][CH:20]=2)[C:14]1=[O:16]참가 물질
4
반응 조건
- 온도
- 120 °C
실험 절차
Step G3. A mixture of 1-bromo-3-(bromomethyl)-5-chlorobenzene (6 g, ˜21 mmol) and potassium phthalimide (3.15 g, 17 mmol) in DMF (50 ml) was heated at 120° C. for 2 hours. After cooled down, a white solid precipitated. The solid was filtered and washed with ethanol, then dried in vacuum. 2-(3-Bromo-5-chlorobenzyl)isoindoline-1,3-dione (5.1 g, 85%) was obtained as white solid. 1H NMR (DMSO-d6): δδ3.72 (s, 2H), 7.43 (s, 1H), 7.51 (s, 1H), 7.52 (s, 1H), 7.84, 7.86 (d, 2H), 8.05, 8.07 (d, 2H).
후처리
- temperatureAfter cooled down
- customa white solid precipitated
- filtrationThe solid was filtered
- washwashed with ethanol
- customdried in vacuum
출처 및 근거
- ORD 기록
- ord-6b1bad60a5f840f3ac7055b20ffabba2
- 출처 데이터셋
- uspto-grants-2007_09
- 특허 번호
- US07273882B2
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