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Water → (2-Butyl-5-methylsulfanylamino-benzofuran-3-yl)-[4-(3-dibutylamino-propoxy)-phenyl]-methanone

HRID 1771252
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HRID 1771252 반응식
[CH3:1][S:2]Cl.[NH2:4][C:5]1[CH:6]=[CH:7][C:8]2[O:12][C:11]([CH2:13][CH2:14][CH2:15][CH3:16])=[C:10]([C:17]([C:19]3[CH:24]=[CH:23][C:22]([O:25][CH2:26][CH2:27][CH2:28][N:29]([CH2:34][CH2:35][CH2:36][CH3:37])[CH2:30][CH2:31][CH2:32][CH3:33])=[CH:21][CH:20]=3)=[O:18])[C:9]=2[CH:38]=1.C[O-].[Na+].O>CO>[CH2:13]([C:11]1[O:12][C:8]2[CH:7]=[CH:6][C:5]([NH:4][S:2][CH3:1])=[CH:38][C:9]=2[C:10]=1[C:17]([C:19]1[CH:20]=[CH:21][C:22]([O:25][CH2:26][CH2:27][CH2:28][N:29]([CH2:30][CH2:31][CH2:32][CH3:33])[CH2:34][CH2:35][CH2:36][CH3:37])=[CH:23][CH:24]=1)=[O:18])[CH2:14][CH2:15][CH3:16]
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참가 물질

6

반응물 4

HCID 962WaterHCID 138595MethanesulfenylchlorideHCID 10942334Sodium MethoxideHCID 11488441(5-Amino-2-butylbenzofuran-3-yl)(4-(3-(dibutylamino)propoxy)phenyl)methanone

생성물 1

HCID 71711318(2-Butyl-5-methylsulfanylamino-benzofuran-3-yl)-[4-(3-dibutylamino-propoxy)-phenyl]-methanone수율 87.1%

시약·촉매·용매 1

HCID 887
Methanol
용매

실험 절차

1.98 g of methanesulfenyl chloride (II) (0.024 mol, 1.2 eq; freshly prepared as described in the above mentioned literature), 9.57 g of (5-amino-2-butyl-benzofuran-3-yl)-[4-(3-dibutylamino-propoxy)-phenyl]-methanone (III) (0.02 mol, 1 eq) and 10 mL of 1.5 M sodium methylate methanolic solution were added into a flask and the mixture was diluted with 50 mL of methanol. The reaction mixture was stirred for 3 hours at room temperature. After the reaction was complete (followed by HPLC) the mixture was poured into 150 mL of water. The product was extracted with 2×60 mL of dichloromethane. The organic phase was washed with 50 mL of aq. NaHCO3 solution and then with 50 mL of water. The solvent was evaporated and the product was purified by column chromatography (column: spheric silica (60 Å); eluent: toluene:MTBE:methanol=50:40:10) to obtain 9.14 g of compound (IV) (87%) as a light yellow oil.

후처리

  1. customfreshly prepared
  2. additionwere added into a flask
  3. extractionThe product was extracted with 2×60 mL of dichloromethane
  4. washThe organic phase was washed with 50 mL of aq. NaHCO3 solution
  5. customThe solvent was evaporated
  6. customthe product was purified by column chromatography (column: spheric silica (60 Å); eluent: toluene:MTBE:methanol=50:40:10)

출처 및 근거

ORD 기록
ord-7d5aa885135d4105a698f7bc42188f04
출처 데이터셋
uspto-grants-2016_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09249119B2

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