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1-Hydroxybenzotriazole → tert-Butyl [({[(2S,5R)-6-(benzyloxy)-7-oxo-1,6-diazabicyclo[3.2.1]oct-2-yl]carbonyl}amino)oxy]acetate

HRID 2400652
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HRID 2400652 반응식
[CH2:1]([O:8][N:9]1[C:15](=[O:16])[N:14]2[CH2:17][C@H:10]1[CH2:11][CH2:12][C@H:13]2[C:18]([OH:20])=O)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[C:21]([O:25][C:26](=[O:30])[CH2:27][O:28][NH2:29])([CH3:24])([CH3:23])[CH3:22].ON1C2C=CC=CC=2N=N1.Cl.C(N=C=NCCCN(C)C)C>C(Cl)Cl>[C:21]([O:25][C:26](=[O:30])[CH2:27][O:28][NH:29][C:18]([C@@H:13]1[CH2:12][CH2:11][C@@H:10]2[CH2:17][N:14]1[C:15](=[O:16])[N:9]2[O:8][CH2:1][C:2]1[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=1)=[O:20])([CH3:24])([CH3:23])[CH3:22]
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참가 물질

6

반응물 4

HCID 757711-HydroxybenzotriazoleHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 12919121tert-Butyl (aminooxy)acetateHCID 57389355(2S,5R)-6-(Benzyloxy)-7-oxo-1,6-diazabicyclo[3.2.1]octane-2-carboxylic acid

생성물 1

HCID 86699610tert-Butyl [({[(2S,5R)-6-(benzyloxy)-7-oxo-1,6-diazabicyclo[3.2.1]oct-2-yl]carbonyl}amino)oxy]acetate
수율 79%

시약·촉매·용매 1

HCID 6344Dichloromethane용매

실험 절차

To a solution of (2S,5R)-6-(benzyloxy)-7-oxo-1,6-diazabicyclo[3.2.1]octane-2-carboxylic acid 1 (0.20 g, 0.72 mmol) in dry DCM (20 mL) were added tert-butyl(aminooxy)acetate 88 (0.13 g, 0.86 mmol, Organic Letters, 2002, 4(6) 869-872), 1-hydroxybenzotriazole (0.15 g, 1.11 mmol) and 1-ethyl-(3-dimethylaminopropyl)carbodiimide hydrochloride (0.21 g, 1.10 mmol) at room temperature. The reaction mixture was stirred at room temperature overnight and concentrated under vacuum. The residue was purified by column chromatography to give tert-butyl[({[(2S,5R)-6-(benzyloxy)-7-oxo-1,6-diazabicyclo[3.2.1]oct-2-yl]carbonyl}amino)oxy]acetate 89 (0.23 g, 79%) as a white solid.

후처리

  1. concentrationconcentrated under vacuum
  2. customThe residue was purified by column chromatography

출처 및 근거

ORD 기록
ord-8657b593fe3e478d864f8573fc1851bd
출처 데이터셋
uspto-grants-2014_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08796257B2

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