반응식
C([O:3][C:4]([C:6]1[CH:11]=[CH:10][C:9]([C:12]2[CH:17]=[CH:16][CH:15]=[CH:14][C:13]=2[O:18][CH3:19])=[CH:8][CH:7]=1)=[O:5])C.[OH-].[Na+]>O1CCCC1>[CH3:19][O:18][C:13]1[CH:14]=[CH:15][CH:16]=[CH:17][C:12]=1[C:9]1[CH:10]=[CH:11][C:6]([C:4]([OH:5])=[O:3])=[CH:7][CH:8]=1참가 물질
4
실험 절차
A mixture of 2′-methoxy-[1,1′-biphenyl]-4-carboxylic acid ethyl ester of Step A (3.7 g, 14.4 mmol) in tetrahydrofuran (40 mL) and 1 N sodium hydroxide (30 mL, 30 mmol) was heated at reflux overnight. After cooling, the reaction mixture was concentrated in vacuo, and the residue was acidified with 2N hydrochloric acid to give a white solid which was collected by filtration and dried under vacuum to provide the title compound (3.2 g, 97.4%) as a white solid, m.p. 250-253° C.
후처리
- temperaturewas heated
- temperatureat reflux overnight
- temperatureAfter cooling
- concentrationthe reaction mixture was concentrated in vacuo
- customto give a white solid which
- filtrationwas collected by filtration
- customdried under vacuum
출처 및 근거
- ORD 기록
- ord-f55b762bdda741a69d85a3996b200959
- 출처 데이터셋
- uspto-grants-2005_06
- 특허 번호
- US06903091B2
연결된 노트
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