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Dimethylformamide → 3-[(Acetyloxy)methyl]-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid propionyloxymethyl ester

HRID 839101
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인쇄 미리보기

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HRID 839101 반응식
CN(C)C=O.[Na].[C:7]([O:10][CH2:11][C:12]1[CH2:19][S:18][CH:17]2[N:14]([C:15](=[O:21])[CH:16]2[NH2:20])[C:13]=1[C:22]([OH:24])=[O:23])(=[O:9])[CH3:8].Cl[CH2:26][O:27][C:28](=[O:31])[CH2:29][CH3:30]>C(OCC)(=O)C>[C:28]([O:27][CH2:26][O:23][C:22]([C:13]1[N:14]2[CH:17]([S:18][CH2:19][C:12]=1[CH2:11][O:10][C:7](=[O:9])[CH3:8])[CH:16]([NH2:20])[C:15]2=[O:21])=[O:24])(=[O:31])[CH2:29][CH3:30]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 4

HCID 6228DimethylformamideHCID 137293-((Acetyloxy)methyl)-7-amino-8-oxo-5-thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acidHCID 221144Chloromethyl propionateHCID 5360545Sodium

생성물 1

HCID 214259953-[(Acetyloxy)methyl]-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid propionyloxymethyl ester

시약·촉매·용매 1

HCID 8857
Ethyl Acetate
용매

실험 절차

To 35 ml of dimethyl formamide is added 7.5 g of the sodium salt of 3-[(acetyloxy)methyl]-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, and the solution is stirred at room temperature for about 30 minutes after which 8 ml of chloromethylpropionate is added. Stirring is continued at room temperature for about 3 hours. The mixture is diluted with ethyl acetate and washed with water. The organic layer is separated and evaporated to dryness. The residue is recrystallized from ethyl acetate to give 3-[(acetyloxy)methyl]-7-amino -8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid propionyloxymethyl ester

후처리

  1. additionis added
  2. washwashed with water
  3. customThe organic layer is separated
  4. customevaporated to dryness
  5. customThe residue is recrystallized from ethyl acetate

출처 및 근거

ORD 기록
ord-5e7df32516864be49e211672bbb5c029
출처 데이터셋
uspto-grants-1978_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US04093802

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