Sodium Bicarbonate → HCID 67313552, 화합물

HRID 1010881노트

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HRID 1010881 반응식
[C:1]([O:5][C:6](=[O:17])[NH:7][C@H:8]([C:10]1[CH:15]=[CH:14][C:13](Br)=[CH:12][CH:11]=1)[CH3:9])([CH3:4])([CH3:3])[CH3:2].C([Li])CCC.[CH2:23]([O:30][C:31](=[O:41])[N:32]([CH2:34][C:35](N(OC)C)=[O:36])[CH3:33])[C:24]1[CH:29]=[CH:28][CH:27]=[CH:26][CH:25]=1.C(=O)([O-])O.[Na+]>O1CCCC1>[CH2:23]([O:30][C:31](=[O:41])[N:32]([CH2:34][C:35]([C:13]1[CH:14]=[CH:15][C:10]([C@@H:8]([NH:7][C:6]([O:5][C:1]([CH3:4])([CH3:3])[CH3:2])=[O:17])[CH3:9])=[CH:11][CH:12]=1)=[O:36])[CH3:33])[C:24]1[CH:29]=[CH:28][CH:27]=[CH:26][CH:25]=1

참가 물질

6

반응물 4

HCID 516892Sodium BicarbonateHCID 56973617(S)-tert-Butyl (1-(4-bromophenyl)ethyl)carbamateHCID 86625210HCID 86625210, 화합물HCID 178418339Butyllithium

생성물 1

HCID 67313552HCID 67313552, 화합물수율 12.8%

시약·촉매·용매 1

HCID 8028Tetrahydrofuran용매2회

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온도
-78 °C

실험 절차

200 mg of the compound [1-1] was dissolved in 4 mL of tetrahydrofuran, and the mixture was cooled to −78° C. and then 626 μL of n-butyllithium (2.66 M hexane solution) was added thereto. After a 1 hour stirring at the same temperature, 0.6 mL of tetrahydrofuran solution containing 177 mg of the compound [2-1] was added thereto, and the mixture was further stirred for 2 hours. To the reaction mixture was added a saturated aqueous solution of sodium hydrogen carbonate, and the mixture was extracted with ethyl acetate. The resulting organic layer was washed with saturated brine and dried over anhydrous sodium sulfate. The insolubles were filtered, the filtrate was concentrated under reduced pressure, and the resulting residue was purified by silica gel column chromatography (eluent: hexane/ethyl acetate=6/4), to obtain 36.2 mg of benzyl[2-(4-{(1S)-1-[(tert-butoxycarbonyl)amino]ethyl}phenyl)-2-oxoethyl]methylcarbamate [2-2] (hereinafter, referred to as the compound [2-2]) as a colorless oily product.

후처리

  1. additionwas added
  2. extractionthe mixture was extracted with ethyl acetate
  3. washThe resulting organic layer was washed with saturated brine
  4. dry with materialdried over anhydrous sodium sulfate
  5. filtrationThe insolubles were filtered
  6. concentrationthe filtrate was concentrated under reduced pressure
  7. customthe resulting residue was purified by silica gel column chromatography (eluent: hexane/ethyl acetate=6/4)

출처 및 근거

ORD 기록
ord-c07d319c480f47ae942c2aa3366d6b13
출처 데이터셋
uspto-grants-2011_07
특허 번호
US07977336B2

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