반응식
[O:1]1[C:5]([CH2:6][C:7]([OH:9])=O)=[CH:4][CH:3]=[N:2]1.C1C=NC2N(O)N=NC=2C=1.CCN(C(C)C)C(C)C.[CH3:29][O:30][C:31](=[O:45])[C:32]1[CH:37]=[CH:36][C:35]([NH:38][CH:39]([CH2:42][CH3:43])[CH2:40][CH3:41])=[C:34]([NH2:44])[CH:33]=1>CN(C=O)C.O.C(Cl)CCl>[CH3:29][O:30][C:31](=[O:45])[C:32]1[CH:37]=[CH:36][C:35]([NH:38][CH:39]([CH2:40][CH3:41])[CH2:42][CH3:43])=[C:34]([NH:44][C:7](=[O:9])[CH2:6][C:5]2[O:1][N:2]=[CH:3][CH:4]=2)[CH:33]=1참가 물질
8
실험 절차
To a solution of 0.71 g of Isoxazol-5-yl-acetic acid in 15 ml of dry DMF 0.38 g of HOAT, 1.29 g of EDC and 3 ml of DIPEA were added at 0° C. After 30 min 1.32 g of 3-amino-4-(1-ethyl-propylamino)-benzoic acid methyl ester were added and the reaction was stirred at it for 16 h. The reaction was then poured into water and extracted with ethyl acetate three times. The combined organic phases were washed with saturated aqueous sodium bicarbonate solution and brine, dried over magnesium sulphate and concentrated. The crude product was purified by precipitation from diisoprpylether to yield 1.06 g (55%) of 4-(1-Ethyl-propylamino)-3-(2-isoxazol-5-yl-acetylamino)-benzoic acid methyl ester.
후처리
- extractionextracted with ethyl acetate three times
- washThe combined organic phases were washed with saturated aqueous sodium bicarbonate solution and brine
- dry with materialdried over magnesium sulphate
- concentrationconcentrated
- customThe crude product was purified by precipitation from diisoprpylether
출처 및 근거
- ORD 기록
- ord-4f8d2823a07a477a86bd754f8de1385b
- 출처 데이터셋
- uspto-grants-2015_10
- 특허 번호
- US09156796B2
연결된 노트
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