Potassium tert-butoxide → HCID 178487696, 화합물
반응식
[C:1]([C:4]1[C:9]([NH:10][C:11]([C:13]2[S:14][CH2:15][CH:16]([C:18]([F:21])([F:20])[F:19])[N:17]=2)=O)=[C:8]([CH3:22])[C:7]([O:23][CH3:24])=[CH:6][CH:5]=1)(=[O:3])[CH3:2].CC(C)([O-])C.[K+]>CC(O)(C)C>[CH3:24][O:23][C:7]1[C:8]([CH3:22])=[C:9]2[C:4]([C:1]([OH:3])=[CH:2][C:11]([C:13]3[S:14][CH:15]=[C:16]([C:18]([F:21])([F:20])[F:19])[N:17]=3)=[N:10]2)=[CH:5][CH:6]=1참가 물질
4
반응 조건
- 온도
- 70 °C
실험 절차
To a solution of compound 202b (70 g, 1 eq.) in tBuOH (1.2 L) was added potassium t-butoxide (46 g, 2.1 eq.) under nitrogen. The mixture was heated to 70° C. for 16 hrs. The reaction mixture was concentrated under reduced pressure and then acidified to pH 5. The precipitate was filtered, washed with water, and triturated in a diisopropylether/pentane mixture to yield compound 203b as a beige solid in 89% yield. 1H NMR (CDCl3, 400 MHz) δ (ppm) 2.43 (s, 3H), 3.98 (s, 3H), 6.76 (d, J=1.76 Hz, 1H), 7.04 (d, J=9.10 Hz, 1H), 7.96 (s, 1H), 8.24 (d, J=9.10 Hz, 1H), 9.31 (brs, 1H).
후처리
- concentrationThe reaction mixture was concentrated under reduced pressure
- filtrationThe precipitate was filtered
- washwashed with water
- customtriturated in a diisopropylether/pentane mixture
출처 및 근거
- ORD 기록
- ord-19ec78e3dc5a4289a8b1a61a92b9f239
- 출처 데이터셋
- uspto-grants-2015_03
- 특허 번호
- US08993595B2
반응 노트
불러오는 중…