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2-[(3S,4R)-4-acetylthio-3-methoxy-2-oxoazetidin-1-yl]-2-oxoacetic acid 2,2,2-trichloroethyl ester → (3S,4R)-4-acetylthio-3-methoxy-2-oxoazetidine

HRID 1710244
Notes
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Reaction equation

HRID 1710244 reaction equation
ClC(Cl)(Cl)COC(=O)C([N:8]1[C@H:11]([S:12][C:13](=[O:15])[CH3:14])[C@@H:10]([O:16][CH3:17])[C:9]1=[O:18])=O>CO.C(OC)(=O)C.O>[C:13]([S:12][C@H:11]1[NH:8][C:9](=[O:18])[C@@H:10]1[O:16][CH3:17])(=[O:15])[CH3:14]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 1

HCID 867417832-[(3S,4R)-4-acetylthio-3-methoxy-2-oxoazetidin-1-yl]-2-oxoacetic acid 2,2,2-trichloroethyl ester

Product 1

HCID 56630779(3S,4R)-4-acetylthio-3-methoxy-2-oxoazetidine

Reagents, catalysts & solvents 3

HCID 887MethanolSolventHCID 962WaterSolventHCID 6584Methyl AcetateSolvent

Procedure

On this pageParticipantsProcedureWorkupSources & evidenceReaction notes

A solution of 1.52 g of 2-[(3S,4R)-4-acetylthio-3-methoxy-2-oxoazetidin-1-yl]-2-oxoacetic acid 2,2,2-trichloroethyl ester (crude product) in 290 ml of methanol, 40 ml of methyl acetate and 5.9 ml of water is refluxed for 20 minutes under nitrogen. The solvent is evaporated off in vacuo. After chromatography over silica gel with toluene/ethyl acetate (3:1) the residue yields the title compound.

Workup

  1. customThe solvent is evaporated off in vacuo

Sources & evidence

ORD record
ord-9efb43ac130a4fb7a800ec706c2cd1ce
Source dataset
uspto-grants-1990_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US04952690

Reaction notes

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