Ammonium Chloride → 6-chloro-4'-(3-chlorophenyl)-2'-(1-ethyl-1-hydroxy-propyl)spiro[3H-indole-3,3'-piperidine]-2,6'(1H)-dione

HRID 1728049노트

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HRID 1728049 반응식
[Cl:1][C:2]1[CH:7]=[C:6]2[NH:8][C:9](=[O:28])[C:10]3([CH:15]([C:16]4[CH:21]=[CH:20][CH:19]=[C:18]([Cl:22])[CH:17]=4)[CH2:14][C:13](=[O:23])[NH:12][CH:11]3[C:24](=[O:27])[CH2:25][CH3:26])[C:5]2=[CH:4][CH:3]=1.[CH2:29]([Mg]Cl)[CH3:30].[NH4+].[Cl-]>O1CCCC1>[Cl:1][C:2]1[CH:7]=[C:6]2[NH:8][C:9](=[O:28])[C:10]3([CH:15]([C:16]4[CH:21]=[CH:20][CH:19]=[C:18]([Cl:22])[CH:17]=4)[CH2:14][C:13](=[O:23])[NH:12][CH:11]3[C:24]([CH2:29][CH3:30])([OH:27])[CH2:25][CH3:26])[C:5]2=[CH:4][CH:3]=1

참가 물질

5

반응물 3

HCID 25517Ammonium ChlorideHCID 76568170HCID 76568170, 화합물HCID 178461633HCID 178461633, 화합물

생성물 1

HCID 765680146-chloro-4'-(3-chlorophenyl)-2'-(1-ethyl-1-hydroxy-propyl)spiro[3H-indole-3,3'-piperidine]-2,6'(1H)-dione수율 93.1%

시약·촉매·용매 1

HCID 8028Tetrahydrofuran용매2회

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온도
-78 °C

실험 절차

To a solution of racemic (2′R,3R,4′S)-6-chloro-4′-(3-chlorophenyl)-2′-propionylspiro[3H-indole-3,3′-piperidine]-2,6′(1H)-dione (100 mg, 0.24 mmol) prepared in example 103 in tetrahydrofuran (3 mL) at −78° C. was added a tetrahydrofuran solution of ethylmagnesium chloride (2M, 6 mL, 12 mmol). The reaction mixture was stirred at −78° C. for 0.5 h, then slowly warmed to room temperature and stirred for 2 h. The mixture was poured into saturated aqueous NH4Cl solution, and the mixture was extracted with ethyl acetate. The organic layer was separated, dried over MgSO4, concentrated. The residue was purified by chromatography (EtOAc:MeOH=10:1) to give racemic (2′R,3R,4′S)-6-chloro-4′-(3-chlorophenyl)-2′-(1-ethyl-1-hydroxy-propyl)spiro[3H-indole-3,3′-piperidine]-2,6′(1H)-dione as a white solid (Yield 100 mg, 93%)

후처리

  1. temperatureslowly warmed to room temperature
  2. stirringstirred for 2 h
  3. extractionthe mixture was extracted with ethyl acetate
  4. customThe organic layer was separated
  5. dry with materialdried over MgSO4
  6. concentrationconcentrated
  7. customThe residue was purified by chromatography (EtOAc:MeOH=10:1)

출처 및 근거

ORD 기록
ord-d8e6517fa2334e66b5ff9259661aa145
출처 데이터셋
uspto-grants-2009_02
특허 번호
US07495007B2

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