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Hydrochloric Acid → (2R,5S)-2-(Acetylamino-methyl)-5-(3-trifluoromethoxy-phenylcarbamoyl)-pyrrolidine-1-carboxylic acid benzyl ester

HRID 1527351
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HRID 1527351 반응식
[CH2:1]([O:8][C:9]([N:11]1[C@H:15]([C:16](=[O:29])[NH:17][C:18]2[CH:23]=[CH:22][CH:21]=[C:20]([O:24][C:25]([F:28])([F:27])[F:26])[CH:19]=2)[CH2:14][CH2:13][C@@H:12]1[CH2:30][NH2:31])=[O:10])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.CCN(CC)CC.[C:39](Cl)(=[O:41])[CH3:40].Cl>C(Cl)Cl>[CH2:1]([O:8][C:9]([N:11]1[C@H:15]([C:16](=[O:29])[NH:17][C:18]2[CH:23]=[CH:22][CH:21]=[C:20]([O:24][C:25]([F:26])([F:27])[F:28])[CH:19]=2)[CH2:14][CH2:13][C@@H:12]1[CH2:30][NH:31][C:39](=[O:41])[CH3:40])=[O:10])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1
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반응물 4

HCID 313Hydrochloric AcidHCID 6367Acetyl chlorideHCID 8471TriethylamineHCID 68283757(2R,5S)-2-Aminomethyl-5-(3-trifluoromethoxy-phenylcarbamoyl)-pyrrolidine-1-carboxylic acid benzyl ester

생성물 1

HCID 68284355(2R,5S)-2-(Acetylamino-methyl)-5-(3-trifluoromethoxy-phenylcarbamoyl)-pyrrolidine-1-carboxylic acid benzyl ester

시약·촉매·용매 1

HCID 6344Dichloromethane용매2회

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온도
0 °C

실험 절차

To a solution of (2R,5S)-2-aminomethyl-5-(3-trifluoromethoxy-phenylcarbamoyl)-pyrrolidine-1-carboxylic acid benzyl ester (200 mg), and Et3N (77 μL, 0.55 mmol) in CH2Cl2 (3 mL) was added under nitrogen atmosphere at 0° C. acetyl chloride (39 μL, 0.55 mmol) and the mixture was stirred at 0° C. for 1 h. CH2Cl2 and 1N aqueous HCl were added, the layers were separated and the aqueous one back-extracted with CH2Cl2. The combined organic extracts were washed with brine, dried over Na2SO4, filtered and concentrated. The crude residue was purified by flash column chromatography on silica gel (c-hexane/EtOAc gradient 100:0 to 0:100) to give the title compound. MS (LC/MS): 480.1 [M+H]+; tR (HPLC conditions b): 4.69 min.

후처리

  1. customthe layers were separated
  2. extractionthe aqueous one back-extracted with CH2Cl2
  3. washThe combined organic extracts were washed with brine
  4. dry with materialdried over Na2SO4
  5. filtrationfiltered
  6. concentrationconcentrated
  7. customThe crude residue was purified by flash column chromatography on silica gel (c-hexane/EtOAc gradient 100:0 to 0:100)

출처 및 근거

ORD 기록
ord-716ab0c9599e4a5e89efb24828ea6090
출처 데이터셋
uspto-grants-2015_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09085555B2

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