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Triethylamine → 2-[3-Methoxy-2-(2-nitro-benzenesulfonylamino)-propionylamino]-3-naphthalen-2-yl-propionic acid methyl ester

HRID 720197
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HRID 720197 반응식
[CH3:1][O:2][C:3](=[O:24])[CH:4]([NH:16][C:17](=[O:23])[CH:18]([NH2:22])[CH2:19][O:20][CH3:21])[CH2:5][C:6]1[CH:15]=[CH:14][C:13]2[C:8](=[CH:9][CH:10]=[CH:11][CH:12]=2)[CH:7]=1.[N+:25]([C:28]1[CH:33]=[CH:32][CH:31]=[CH:30][C:29]=1[S:34](Cl)(=[O:36])=[O:35])([O-:27])=[O:26].C(N(CC)CC)C.OS([O-])(=O)=O.[K+]>C1COCC1.O>[CH3:1][O:2][C:3](=[O:24])[CH:4]([NH:16][C:17](=[O:23])[CH:18]([NH:22][S:34]([C:29]1[CH:30]=[CH:31][CH:32]=[CH:33][C:28]=1[N+:25]([O-:27])=[O:26])(=[O:35])=[O:36])[CH2:19][O:20][CH3:21])[CH2:5][C:6]1[CH:15]=[CH:14][C:13]2[C:8](=[CH:9][CH:10]=[CH:11][CH:12]=2)[CH:7]=1
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참가 물질

7

반응물 4

HCID 8471TriethylamineHCID 155402-Nitrobenzenesulfonyl chlorideHCID 516920Potassium bisulfateHCID 695877692-(2-Amino-3-methoxy-propionylamino)-3-naphthalen-2-yl-propionic acid methyl ester

생성물 1

HCID 695880032-[3-Methoxy-2-(2-nitro-benzenesulfonylamino)-propionylamino]-3-naphthalen-2-yl-propionic acid methyl ester

시약·촉매·용매 2

HCID 962Water용매HCID 8028Tetrahydrofuran용매

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온도
0 °C

실험 절차

2-(2-Amino-3-methoxy-propionylamino)-3-naphthalen-2-yl-propionic acid methyl ester, 58, (4.43 g, 12.1 mmol) and 2-nitrobenzene sulfonyl chloride (2.8 g, 12.7 mmol) are dissolved in any THF (20 mL). The mixture is cooled to 0° C. and triethyl amine (5 mL) is added to the reaction mixture which is then allowed to stir overnight at room temperature. Water (100 mL) is added and the reaction mixture pH adjusted to 3 with 1M KHSO4. The solution is extracted with EtOAc (3×100 mL) and the organic layers are combined and dried over Na2SO4. The solvent is removed in vacuo to afford 6.4 g (quantitative yield) of the desired product. 1H NMR (300 MHz, CDCl3, δ): 8.02 (m, 1H), 7.8 (m, 4H), 7.60 (m, 3H), 7.48 (m, 2H), 7.33 (d, J=8.3 Hz, 1H), 7.20 (d, J=8.3 Hz, 1H), 6.58 (d, J=6.25 Hz, 1H), 4.57 (quartet, J=6.25 Hz, 1H), 4.02 (quartet, J=6.25 Hz, 1H), 3.70 (s, 3H), 3.47 (m, 2H), 3.44 (m, 2H), 3.49 (s, 3H); 13C NMR, δ 171.5, 168.7, 147.9, 134.2, 133.6, 133.5, 133.2, 132.7, 131.0, 128.4, 128.3, 127.9, 127.5, 126.5, 126.1, 125.9, 72.3, 59.1, 56.6, 53.8, 52.7, 38.0.

후처리

  1. extractionThe solution is extracted with EtOAc (3×100 mL)
  2. dry with materialdried over Na2SO4
  3. customThe solvent is removed in vacuo

출처 및 근거

ORD 기록
ord-30b9ea2841ee4ac9835a8ad1222e56f4
출처 데이터셋
uspto-grants-2006_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07132539B2

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