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Water → diphenylmethyl (6R,7R)-3-[(methylsulfonyl)oxy]-8-oxo-7-[(phenylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate

HRID 1071313
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HRID 1071313 반응식
[C:1]1([CH2:7][C:8]([NH:10][C@@H:11]2[C:35](=[O:36])[N:13]3[C:14]([C:19]([O:21][CH:22]([C:29]4[CH:34]=[CH:33][CH:32]=[CH:31][CH:30]=4)[C:23]4[CH:28]=[CH:27][CH:26]=[CH:25][CH:24]=4)=[O:20])=[C:15]([OH:18])[CH2:16][S:17][C@H:12]23)=[O:9])[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.[CH3:37][S:38](Cl)(=[O:40])=[O:39].C(N(C(C)C)C(C)C)C.O>CC(C)=O>[C:1]1([CH2:7][C:8]([NH:10][C@@H:11]2[C:35](=[O:36])[N:13]3[C:14]([C:19]([O:21][CH:22]([C:23]4[CH:24]=[CH:25][CH:26]=[CH:27][CH:28]=4)[C:29]4[CH:34]=[CH:33][CH:32]=[CH:31][CH:30]=4)=[O:20])=[C:15]([O:18][S:38]([CH3:37])(=[O:40])=[O:39])[CH2:16][S:17][C@H:12]23)=[O:9])[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1
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참가 물질

6

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HCID 962WaterHCID 31297Methanesulfonyl chlorideHCID 81531DiisopropylethylamineHCID 54721268(6R,7R)-benzhydryl 3-hydroxy-8-oxo-7-(2-phenylacetamido)-5-thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylate

생성물 1

HCID 11050121diphenylmethyl (6R,7R)-3-[(methylsulfonyl)oxy]-8-oxo-7-[(phenylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
수율 90%

시약·촉매·용매 1

HCID 180Acetone용매

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온도
-20 °C

실험 절차

Benzhydryl 7β-[(phenylacetyl)amino]-3-hydroxy-3-cephem-4-carboxylate (500 g, 1 mol) was dissolved in acetone (2 L) and methanesulfonyl chloride (86 mL, 1.1 mol) was added dropwise over 10 min with stirring at −20° C. Then, ethyldiisopropylamine (183 mL, 1.05 mol) was added dropwise over 30 min and the mixture was stirred at −20° C. for 40 min. The reaction mixture was poured into iced water (8 L) and the precipitate was collected by filtration. The precipitate was then washed with water (2 L) and ethyl acetate (300 mL), and dried under reduced pressure to give the title compound (523 g, 0.90 mol). yield: 90%.

후처리

  1. stirringthe mixture was stirred at −20° C. for 40 min
  2. filtrationthe precipitate was collected by filtration
  3. washThe precipitate was then washed with water (2 L) and ethyl acetate (300 mL)
  4. customdried under reduced pressure

출처 및 근거

ORD 기록
ord-62b5909f1aea458baa80011de2b18773
출처 데이터셋
uspto-grants-2005_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06906055B2

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