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Potassium Carbonate → 1,1-dimethylethyl [6-(5-{3-chloro-4-[(1-methylethyl)oxy]phenyl}-1,2,4-oxadiazol-3-yl)-1,2,4,5-tetrahydro-3H-3-benzazepin-3-yl]acetate

HRID 1514189
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HRID 1514189 반응식
Cl.[Cl:2][C:3]1[CH:4]=[C:5]([C:13]2[O:17][N:16]=[C:15]([C:18]3[C:28]4[CH2:27][CH2:26][NH:25][CH2:24][CH2:23][C:22]=4[CH:21]=[CH:20][CH:19]=3)[N:14]=2)[CH:6]=[CH:7][C:8]=1[O:9][CH:10]([CH3:12])[CH3:11].C(=O)([O-])[O-].[K+].[K+].Br[CH2:36][C:37]([O:39][C:40]([CH3:43])([CH3:42])[CH3:41])=[O:38]>C(Cl)Cl>[Cl:2][C:3]1[CH:4]=[C:5]([C:13]2[O:17][N:16]=[C:15]([C:18]3[C:28]4[CH2:27][CH2:26][N:25]([CH2:36][C:37]([O:39][C:40]([CH3:43])([CH3:42])[CH3:41])=[O:38])[CH2:24][CH2:23][C:22]=4[CH:21]=[CH:20][CH:19]=3)[N:14]=2)[CH:6]=[CH:7][C:8]=1[O:9][CH:10]([CH3:11])[CH3:12]
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참가 물질

5

반응물 3

HCID 11430Potassium CarbonateHCID 79177tert-Butyl bromoacetateHCID 684679086-(5-{3-chloro-4-[(1-methylethyl)oxy]phenyl}-1,2,4-oxadiazol-3-yl)-2,3,4,5-tetrahydro-1H-3-benzazepine hydrochloride

생성물 1

HCID 594034611,1-dimethylethyl [6-(5-{3-chloro-4-[(1-methylethyl)oxy]phenyl}-1,2,4-oxadiazol-3-yl)-1,2,4,5-tetrahydro-3H-3-benzazepin-3-yl]acetate수율 92%

시약·촉매·용매 1

HCID 6344
Dichloromethane
용매

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온도
100 °C

실험 절차

In a 5 ml microwave reaction vessel was added 6-(5-{3-chloro-4-[(1-methylethyl)oxy]phenyl}-1,2,4-oxadiazol-3-yl)-2,3,4,5-tetrahydro-1H-3-benzazepine hydrochloride (Example 8) (110 mg, 0.262 mmol). Then potassium carbonate (101 mg) was added followed by 1,1-dimethylethyl bromoacetate (51.0 mg, 0.262 mmol). The reaction mixture was heated at 100° C. for 10 minutes. The cooled reaction mixture was diluted with DCM (5 ml) and purified by SCX (washing with methanol and eluting the crude amino ester with methanolic ammonia). 1,1-dimethylethyl [6-(5-{3-chloro-4-[(1-methylethyl)oxy]phenyl}-1,2,4-oxadiazol-3-yl)-1,2,4,5-tetrahydro-3H-3-benzazepin-3-yl]acetate (120 mg, 0.241 mmol, 92% yield) was isolated as a pale yellow oil. MS (ES) C27H3235ClN3O4 requires 497; found 498 [M+H]+.

후처리

  1. customThe cooled reaction mixture
  2. custompurified by SCX (
  3. washwashing with methanol
  4. washeluting the crude amino ester with methanolic ammonia)

출처 및 근거

ORD 기록
ord-2ffe15c223674240a698febf40a9db40
출처 데이터셋
uspto-grants-2012_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08222245B2

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