반응식
Br[C:2]1[S:6][C:5]([S:7]([NH:10][C@H:11]([CH2:15][C:16]2[C:24]3[C:19](=[CH:20][CH:21]=[CH:22][CH:23]=3)[NH:18][CH:17]=2)[C:12]([OH:14])=[O:13])(=[O:9])=[O:8])=[CH:4][CH:3]=1.[C:25]([Si:27]([CH3:30])([CH3:29])[CH3:28])#[CH:26].C(N(CC)CC)C>CN(C=O)C.C(OCC)(=O)C.[Cu]I>[NH:18]1[C:19]2[C:24](=[CH:23][CH:22]=[CH:21][CH:20]=2)[C:16]([CH2:15][C@@H:11]([NH:10][S:7]([C:5]2[S:6][C:2]([C:26]#[C:25][Si:27]([CH3:30])([CH3:29])[CH3:28])=[CH:3][CH:4]=2)(=[O:9])=[O:8])[C:12]([OH:14])=[O:13])=[CH:17]1참가 물질
반응물 3
생성물 1
시약·촉매·용매 3
반응 조건
- 온도
- 50 °C
실험 절차
In a round bottom flask was added crude compound (R)-2-(5-Bromo-thiophene-2-sulfonylamino)-3-(1H-indol-3-yl)-propionic acid product (3) (0.25 g, 0.584 mmol) (synthesized via Example 1, Step A), commercially available ethynyltrimethylsilane (0.17 g, 1.73 mmol), PdCl2P(PPh3)2 (0.041 g, 0.061 mmol), copper(I)iodide (0.006 g, 0.0315 mmol), and triethylamine (0.177 g, 1.75 mmol) dissolved in dry DMF (3 mL) under an atmosphere of nitrogen and mixture heated at 50° C. for two hours. The reaction mixture was then diluted with ethyl acetate and washed with a solution composed of NaCl/NaHCO3/(NH4)2CO3/water (1:1:1:1) (×3), water, brine, and dried (Na2SO4) to give the desired crude (R)-3-(1H-Indol-3-yl)-2-(5-trimethylsilanylethynyl-thiophene-2-sulfonylamino)-propionic acid 115 (185 mg, 71%). LC-MS (ES+) 447; (ES−) 445.
후처리
- washwashed with a solution
- dry with materialdried (Na2SO4)
출처 및 근거
- ORD 기록
- ord-97876f4fc56f4afab739673e7dec3ee2
- 출처 데이터셋
- uspto-grants-2014_07
- 특허 번호
- US08765953B2
연결된 노트
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