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Potassium Hydroxide → (R)-5-biphenyl-4-yl-4-tert-butoxycarbonylamino-2-methylenepentanoic acid

HRID 588308
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HRID 588308 반응식
[C:1]1([C:23]2[CH:28]=[CH:27][CH:26]=[CH:25][CH:24]=2)[CH:6]=[CH:5][C:4]([CH2:7][C@@H:8]([NH:15][C:16]([O:18][C:19]([CH3:22])([CH3:21])[CH3:20])=[O:17])[CH2:9][C:10](=[CH2:14])[C:11]([OH:13])=[O:12])=[CH:3][CH:2]=1.[OH-].[K+:30]>C(O)C>[K+:30].[C:1]1([C:23]2[CH:24]=[CH:25][CH:26]=[CH:27][CH:28]=2)[CH:2]=[CH:3][C:4]([CH2:7][C@@H:8]([NH:15][C:16]([O:18][C:19]([CH3:22])([CH3:21])[CH3:20])=[O:17])[CH2:9][C:10](=[CH2:14])[C:11]([O-:13])=[O:12])=[CH:5][CH:6]=1.[C:1]1([C:23]2[CH:24]=[CH:25][CH:26]=[CH:27][CH:28]=2)[CH:2]=[CH:3][C:4]([CH2:7][C@@H:8]([NH:15][C:16]([O:18][C:19]([CH3:22])([CH3:21])[CH3:20])=[O:17])[CH2:9][C:10](=[CH2:14])[C:11]([OH:13])=[O:12])=[CH:5][CH:6]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 2

HCID 14797Potassium HydroxideHCID 46193439(R)-5-biphenyl-4-yl-4-tert-butoxycarbonylamino-2-methylenepentanoic acid2회

생성물 2

HCID 46193439(R)-5-biphenyl-4-yl-4-tert-butoxycarbonylamino-2-methylenepentanoic acidHCID 66957978(r)-5-Biphenyl-4-yl-4-tert-butoxycarbonylamino-2-methylenepentanoic acid potassium salt

시약·촉매·용매 1

HCID 702
Ethanol
용매
2회

실험 절차

500 mg (R)-5-biphenyl-4-yl-4-tert-butoxycarbonylamino-2-methylenepentanoic acid (2-a, R1=Boc, R2=H, R3=CO2H) is added to ethanol (5 ml) at room temperature. 2.6 ml of a 0.5 M Potassium hydroxide in ethanol solution is added to the mixture over a period of 5 minutes. The resulting mixture is stirred for 1 h at room temperature. The solvent is then removed under reduced pressure. Toluene (10 ml) is added to the mixture. The solvent is then removed under reduced pressure to give (R)-5-biphenyl-4-yl-4-tert-butoxycarbonylamino-2-methylenepentanoic acid potassium salt (2-a, R1=Boc, R2=H, R3=CO2K). 1H NMR (DMSO): 1.35 (9H), 2.24-2.37 (2H), 2.67-2.84 (2H), 3.69-3.80 (1H), 5.04 (1H), 5.79 (1H), 7.12-7.17, 7.23-7.35, 7.42-7.46, 7.54-7.57, 7.62-7.67.

후처리

  1. customThe solvent is then removed under reduced pressure
  2. additionToluene (10 ml) is added to the mixture
  3. customThe solvent is then removed under reduced pressure

출처 및 근거

ORD 기록
ord-8c01f864008442e7ae3586c801ae7129
출처 데이터셋
uspto-grants-2016_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09227934B2

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