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Ethyl Acetate → [(S)-1-benzyloxymethyl-2-(2-iodo-1,1-diphenylethoxy)-ethyl]-carbamic acid tert-butyl ester

HRID 20394
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반응식

HRID 20394 반응식
[C:1]([O:5][C:6](=[O:20])[NH:7][C@H:8]([CH2:18][OH:19])[CH2:9][O:10][CH2:11][C:12]1[CH:17]=[CH:16][CH:15]=[CH:14][CH:13]=1)([CH3:4])([CH3:3])[CH3:2].[C:21]1([C:27]([C:29]2[CH:34]=[CH:33][CH:32]=[CH:31][CH:30]=2)=[CH2:28])[CH:26]=[CH:25][CH:24]=[CH:23][CH:22]=1.[I:35]N1C(=O)CCC1=O.C(OCC)(=O)C>C(#N)C>[C:1]([O:5][C:6](=[O:20])[NH:7][C@H:8]([CH2:18][O:19][C:27]([C:29]1[CH:30]=[CH:31][CH:32]=[CH:33][CH:34]=1)([C:21]1[CH:26]=[CH:25][CH:24]=[CH:23][CH:22]=1)[CH2:28][I:35])[CH2:9][O:10][CH2:11][C:12]1[CH:17]=[CH:16][CH:15]=[CH:14][CH:13]=1)([CH3:4])([CH3:2])[CH3:3]
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참가 물질

6

반응물 4

HCID 8857Ethyl AcetateHCID 107401,1-DiphenylethyleneHCID 120273N-IodosuccinimideHCID 11065873(R)-(+)-3-Benzyloxy-2-(Boc-amino)-1-propanol

생성물 1

HCID 68558007[(S)-1-benzyloxymethyl-2-(2-iodo-1,1-diphenylethoxy)-ethyl]-carbamic acid tert-butyl ester

시약·촉매·용매 1

HCID 6342
Acetonitrile
용매

실험 절차

Dissolve ((R)-2-benzyloxy-1-hydroxymethylethyl)-carbamic acid tert-butyl ester (1.0 g, 3.55 mmol) and 1,1-diphenylethylene (0.534 g, 2.96 mmol) in acetonitrile (20 mL). Add N-iodosuccinimide (0.800 g, 3.55 mmol) and stir at room temperature 72 hours. Pour into ethyl acetate and wash with saturated aqueous sodium chloride. Dry (magnesium sulfate), filter and concentrate. Purify on silica gel, eluting with 0:100 to 30:70 ethyl acetate:hexanes to give the desired compound.

후처리

  1. washwash with saturated aqueous sodium chloride
  2. dry with materialDry (magnesium sulfate)
  3. filtrationfilter
  4. concentrationconcentrate
  5. customPurify on silica gel
  6. washeluting with 0:100 to 30:70 ethyl acetate

출처 및 근거

ORD 기록
ord-d84c6867d5d949f78021d1ce8021af7c
출처 데이터셋
uspto-grants-2010_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07745438B2

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