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Phenylsulphonylacetylmethylenetriphenylphosphorane → methylene-(2S,5R)-3,3-dimethyl-7-oxo-6-[3-(phenylsulphonyl)-2-oxopropylidene]-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate pivalate

HRID 1981206
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HRID 1981206 반응식
[C:1]([OH:7])(=[O:6])[C:2]([CH3:5])([CH3:4])[CH3:3].[CH2:8]=[S:9]1[CH:15]2[N:12]([C:13](=[O:17])[C:14]2=O)[CH:11]([C:18]([OH:20])=[O:19])[C:10]1([CH3:22])[CH3:21].[C:23]1([S:29]([CH2:32][C:33]([CH:35]=P(C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=[O:34])(=[O:31])=[O:30])[CH:28]=[CH:27][CH:26]=[CH:25][CH:24]=1>C1C=CC=CC=1>[C:1]([OH:7])(=[O:6])[C:2]([CH3:5])([CH3:4])[CH3:3].[CH2:8]=[S:9]1[C@H:15]2[N:12]([C:13](=[O:17])[C:14]2=[CH:35][C:33](=[O:34])[CH2:32][S:29]([C:23]2[CH:28]=[CH:27][CH:26]=[CH:25][CH:24]=2)(=[O:31])=[O:30])[C@@H:11]([C:18]([OH:20])=[O:19])[C:10]1([CH3:22])[CH3:21]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

4

반응물 2

HCID 20400049PhenylsulphonylacetylmethylenetriphenylphosphoraneHCID 86740043Methylene-6,7-dioxo-3,3-dimethyl-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate pivalate

생성물 1

HCID 86740051methylene-(2S,5R)-3,3-dimethyl-7-oxo-6-[3-(phenylsulphonyl)-2-oxopropylidene]-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate pivalate

시약·촉매·용매 1

HCID 241Benzene용매

실험 절차

A solution of 3.3 g of methylene-6,7-dioxo-3,3-dimethyl-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate pivalate in 100 ml of benzene is treated at room temperature with 6 g of phenylsulphonylacetylmethylenetriphenylphosphorane. After 10 minutes, the reaction mixture is evaporated. The residue is chromatographed on silica gel while eluting with cyclohexane/ethyl acetate (6:4). There is obtained methylene-(2S,5R)-3,3-dimethyl-7-oxo-6-[3-(phenylsulphonyl)-2-oxopropylidene]-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate pivalate as yellow crystals of melting point 100°-102° [Rf: 0.25; cyclohexane/ethyl acetate (6:4)].

후처리

  1. customthe reaction mixture is evaporated
  2. customThe residue is chromatographed on silica gel
  3. washwhile eluting with cyclohexane/ethyl acetate (6:4)

출처 및 근거

ORD 기록
ord-da5812889d2246fdab26cc74a1357219
출처 데이터셋
uspto-grants-1985_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US04512999

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