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llms.txt · MCP 가이드개인정보처리방침 · 이용약관 · 지원v1.8.0
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Benzoic acid, 4-amino-, 1,1-dimethylethyl ester → benzyl (2S,4S)-2-[(4-{[(2-methyl-2-propanyl)oxy]carbonyl}phenyl)carbamoyl]-4-[4-(methylsulfonyl)-1-piperazinyl]-1-pyrrolidinecarboxylate

HRID 1053812
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HRID 1053812 반응식
[CH2:1]([O:8][C:9]([N:11]1[CH2:15][C@@H:14]([N:16]2[CH2:21][CH2:20][N:19]([S:22]([CH3:25])(=[O:24])=[O:23])[CH2:18][CH2:17]2)[CH2:13][C@H:12]1[C:26](O)=[O:27])=[O:10])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[NH2:29][C:30]1[CH:42]=[CH:41][C:33]([C:34]([O:36][C:37]([CH3:40])([CH3:39])[CH3:38])=[O:35])=[CH:32][CH:31]=1>N1C=CC=CC=1>[CH3:40][C:37]([O:36][C:34]([C:33]1[CH:41]=[CH:42][C:30]([NH:29][C:26]([C@@H:12]2[CH2:13][C@H:14]([N:16]3[CH2:21][CH2:20][N:19]([S:22]([CH3:25])(=[O:24])=[O:23])[CH2:18][CH2:17]3)[CH2:15][N:11]2[C:9]([O:8][CH2:1][C:2]2[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=2)=[O:10])=[O:27])=[CH:31][CH:32]=1)=[O:35])([CH3:38])[CH3:39]
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참가 물질

4

반응물 2

HCID 233272Benzoic acid, 4-amino-, 1,1-dimethylethyl esterHCID 118107654(2S,4S)-1-[(benzyloxy)carbonyl]-4-[4-(methylsulfonyl)-1-piperazinyl]-2-pyrrolidinecarboxylic acid

생성물 1

HCID 122584929benzyl (2S,4S)-2-[(4-{[(2-methyl-2-propanyl)oxy]carbonyl}phenyl)carbamoyl]-4-[4-(methylsulfonyl)-1-piperazinyl]-1-pyrrolidinecarboxylate수율 78.8%

시약·촉매·용매 1

HCID 1049Pyridine용매

실험 절차

To a solution of the compound prepared in Example 4 (0.20 g, 0.40 mmol) and 2-methyl-2-propanyl 4-aminobenzoate (0.154 g, 0.80 mmol) in pyridine (50 mL) was added 1-ethyl-3-(3-dimethyllaminopropyl)carbodiimide hydrochloride (0.630 mg 3.2 mmol) at 0° C. The reaction was stirred at room temperature for 18 h. The mixture was concentrated under reduced pressure and the resulting residue diluted with dichloromethane (20 mL). This solution was washed with brine, dried and concentrated. Purification by flash chromatography (silica gel, 40 g, 20-80% ethyl acetate/hexanes) gave the title compound (0.185 g, 65%) as a white solid.

후처리

  1. concentrationThe mixture was concentrated under reduced pressure
  2. additionthe resulting residue diluted with dichloromethane (20 mL)
  3. washThis solution was washed with brine
  4. customdried
  5. concentrationconcentrated
  6. customPurification by flash chromatography (silica gel, 40 g, 20-80% ethyl acetate/hexanes)

출처 및 근거

ORD 기록
ord-cfd8b255b343423ebabc91563bc2287d
출처 데이터셋
uspto-grants-2016_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09394250B2

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