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Potassium Bromide → Benzhydryl 7-(2-thienylacetamido)-7-methoxy-3-acetoxymethyl-3-cephem-4-carboxylate

HRID 1657708
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HRID 1657708 반응식
[S:1]1[CH:5]=[CH:4][CH:3]=[C:2]1[CH2:6][C:7]([NH:9][C:10]1([O:36][CH3:37])[C:34](=[O:35])[N:12]2[C:13]([C:18]([O:20][CH:21]([C:28]3[CH:33]=[CH:32][CH:31]=[CH:30][CH:29]=3)[C:22]3[CH:27]=[CH:26][CH:25]=[CH:24][CH:23]=3)=[O:19])=[C:14]([CH3:17])[CH2:15][S:16][C@H:11]12)=[O:8].[Br-].[K+]>C(O)(=O)C.C([O-])(=O)C.[Mn+3].C([O-])(=O)C.C([O-])(=O)C>[S:1]1[CH:5]=[CH:4][CH:3]=[C:2]1[CH2:6][C:7]([NH:9][C:10]1([O:36][CH3:37])[C:34](=[O:35])[N:12]2[C:13]([C:18]([O:20][CH:21]([C:22]3[CH:23]=[CH:24][CH:25]=[CH:26][CH:27]=3)[C:28]3[CH:33]=[CH:32][CH:31]=[CH:30][CH:29]=3)=[O:19])=[C:14]([CH2:17][O:20][C:18](=[O:19])[CH3:13])[CH2:15][S:16][C@H:11]12)=[O:8]
참가 물질반응 조건실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 2

HCID 253877Potassium BromideHCID 131710295Benzhydryl 7-(2-thienylacetamido)-7-methoxy-3-methyl-3-cephem-4-carboxylate

생성물 1

HCID 54569218Benzhydryl 7-(2-thienylacetamido)-7-methoxy-3-acetoxymethyl-3-cephem-4-carboxylate

시약·촉매·용매 2

HCID 160554manganese(III) acetate dihydrate촉매HCID 176Acetic Acid용매

반응 조건

온도
70 °C

실험 절차

Manganese (III) acetate (5.0 g.) in acetic acid (60 ml.) is heated to 70°C. under nitrogen. To the stirred solution is added benzhydryl 7-(2-thienylacetamido)-7-methoxy-3-methyl-3-cephem-4-carboxylate (4.0 g.) and potassium bromide (0.5 g.). The solution is maintained at 70°C. for about eight hours. The reaction mixture is cooled and manganese (II) acetate is filtered from the cooled solution. The solvent is removed under vacuum to afford benzhydryl 7-(2-thienylacetamido)-7 -methoxy-3-acetoxymethyl-3-cephem-4-carboxylate.

후처리

  1. temperatureThe reaction mixture is cooled
  2. filtrationmanganese (II) acetate is filtered from the cooled solution
  3. customThe solvent is removed under vacuum

출처 및 근거

ORD 기록
ord-24ca7da60ba6496f9f82d146ee291333
출처 데이터셋
uspto-grants-1976_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US03962231

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