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Iodoethane → Ethyl 3-(3-chloro-5-{5-[3-chloro-4-(ethyloxy)phenyl]-1,2,4-oxadiazol-3-yl}-1H-indol-1-yl)propanoate

HRID 423358
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HRID 423358 반응식
[Cl:1][C:2]1[C:10]2[C:5](=[CH:6][CH:7]=[C:8]([C:11]3[N:15]=[C:14]([C:16]4[CH:21]=[CH:20][C:19]([OH:22])=[C:18]([Cl:23])[CH:17]=4)[O:13][N:12]=3)[CH:9]=2)[N:4]([CH2:24][CH2:25][C:26]([O:28][CH2:29][CH3:30])=[O:27])[CH:3]=1.C([O-])([O-])=O.[K+].[K+].[CH2:37](I)[CH3:38].CCOC(C)=O>CN(C=O)C>[Cl:1][C:2]1[C:10]2[C:5](=[CH:6][CH:7]=[C:8]([C:11]3[N:15]=[C:14]([C:16]4[CH:21]=[CH:20][C:19]([O:22][CH2:37][CH3:38])=[C:18]([Cl:23])[CH:17]=4)[O:13][N:12]=3)[CH:9]=2)[N:4]([CH2:24][CH2:25][C:26]([O:28][CH2:29][CH3:30])=[O:27])[CH:3]=1
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반응물 4

HCID 6340IodoethaneHCID 8857Ethyl AcetateHCID 11430Potassium CarbonateHCID 136146071Ethyl 3-{3-chloro-5-[5-(3-chloro-4-hydroxyphenyl)-1,2,4-oxadiazol-3-yl]-1H-indol-1-yl}propanoate

생성물 1

HCID 59318429Ethyl 3-(3-chloro-5-{5-[3-chloro-4-(ethyloxy)phenyl]-1,2,4-oxadiazol-3-yl}-1H-indol-1-yl)propanoate

시약·촉매·용매 1

HCID 6228
Dimethylformamide
용매

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온도
80 °C

실험 절차

To ethyl 3-{3-chloro-5-[5-(3-chloro-4-hydroxyphenyl)-1,2,4-oxadiazol-3-yl]-1H-indol-1-yl}propanoate (D108) (180 mg, 0.40 mmol) and K2CO3 (138 mg, 1.0 mmol) in dry DMF (3 ml) was added ethyl iodide (78 mg, 0.50 mmol) and the mixture heated at 80° C. with stirring for 30 minutes. Cooled mixture and added EtOAc (50 ml). Washed with water (3×40 ml) and dried over MgSO4. Evaporated off the solvent and crystallised from ethanol to yield the title compound as 110 mg of white solid. δH (400 MHz, d6-DMSO) 1.10 (3H, t), 1.42 (3H, t), 2.90 (2H, t), 4.02 (2H, q), 4.27 (2H, q), 4.49 (2H, t), 7.40 (1H, d), 7.74 (1H, s), 7.80 (1H, d), 7.95 (1H, dd), 8.16 (1H, dd), 8.21-8.22 (2H, m). MS (ES) C23H2135Cl2N3O4 requires 473; found 474 (MH+).

후처리

  1. temperatureCooled mixture
  2. washWashed with water (3×40 ml)
  3. dry with materialdried over MgSO4
  4. customEvaporated off the solvent
  5. customcrystallised from ethanol

출처 및 근거

ORD 기록
ord-7e7a437694fe40fcb220802b4a1cdcae
출처 데이터셋
uspto-grants-2012_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08101775B2

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