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

HRID 710989
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HRID 710989 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.Cl.C(N=C=NCCCN(C)C)C.ON1C2C=CC=CC=2N=N1.[NH2:43][O:44][CH2:45][CH2:46][NH:47][C:48](=[O:54])[O:49][C:50]([CH3:53])([CH3:52])[CH3:51]>C(Cl)Cl.C(N(CC)CC)C>[C:50]([O:49][C:48](=[O:54])[NH:47][CH2:46][CH2:45][O:44][NH:43][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])([CH3:53])([CH3:51])[CH3:52]
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참가 물질

7

반응물 4

HCID 757711-HydroxybenzotriazoleHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 15610443tert-butyl N-(2-(aminooxy)ethyl)carbamateHCID 57389355(2S,5R)-6-(Benzyloxy)-7-oxo-1,6-diazabicyclo[3.2.1]octane-2-carboxylic acid

생성물 1

HCID 72549867tert-Butyl {2-[({[(2S,5R)-6-(benzyloxy)-7-oxo-1,6-diazabicyclo[3.2.1]oct-2-yl]carbonyl}amino)oxy]ethyl}carbamate
수율 84%

시약·촉매·용매 2

HCID 6344Dichloromethane용매HCID 8471Triethylamine용매

실험 절차

To a solution of the carboxylic acid (6b, 1.34 g, 4.87 mmol) of Example 9 or 16 in methylene chloride (35 mL) were added triethylamine (2.71 mL), N-ethyl-N′-(3-dimethylaminopropyl)carbodiimide hydrochloride (1.41 g), 1-hydroxybenzotriazole.monohydrate (1.15 g), and tert-butyl 2-(aminooxy)ethylcarbamate (1.12 g) described in Reference Example 9, followed by agitating at room temperature overnight. To the residue resulting from concentrating the reaction solution under reduced pressure was added water, followed by extracting with ethyl acetate. The resulting organic layer was washed with 0.1M hydrochloric acid, saturated sodium bicarbonate aqueous solution, and a saturated sodium chloride aqueous solution, dried over anhydrous sodium sulfate, filtrated, and concentrated. The resulting residue was purified by silica gel column chromatography (hexane/ethyl acetate=8/2-0/10) to afford 1.77 g of the title compound (yield 84%).

후처리

  1. customTo the residue resulting
  2. concentrationfrom concentrating the reaction solution under reduced pressure
  3. additionwas added water
  4. extractionby extracting with ethyl acetate
  5. washThe resulting organic layer was washed with 0.1M hydrochloric acid, saturated sodium bicarbonate aqueous solution
  6. dry with materiala saturated sodium chloride aqueous solution, dried over anhydrous sodium sulfate
  7. filtrationfiltrated
  8. concentrationconcentrated
  9. customThe resulting residue was purified by silica gel column chromatography (hexane/ethyl acetate=8/2-0/10)

출처 및 근거

ORD 기록
ord-4c45c79841144269a8c276b5b17ba6e7
출처 데이터셋
uspto-grants-2015_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09181250B2

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