Sodium Acetate Trihydrate → HCID 131716049, compound
Reaction equation
[CH:1]1([O:4][N:5]=[C:6]([C:29]2[N:30]=[C:31]([NH:34]C(=O)C(F)(F)F)[S:32][CH:33]=2)[C:7]([NH:9][C@@H:10]2[C:27](=[O:28])[N:12]3[C:13]([C:24]([OH:26])=[O:25])=[C:14]([CH2:17][S:18][C:19]4[S:20][CH:21]=[N:22][N:23]=4)[CH2:15][S:16][C@H:11]23)=[O:8])[CH2:3][CH2:2]1.O.O.O.C([O-])(=O)C.[Na+]>O.O1CCCC1>[NH2:34][C:31]1[S:32][CH:33]=[C:29]([C:6](=[N:5][O:4][CH:1]2[CH2:3][CH2:2]2)[C:7]([NH:9][C@@H:10]2[C:27](=[O:28])[N:12]3[C:13]([C:24]([OH:26])=[O:25])=[C:14]([CH2:17][S:18][C:19]4[S:20][CH:21]=[N:22][N:23]=4)[CH2:15][S:16][C@H:11]23)=[O:8])[N:30]=1Participants
Reactant 2
Product 1
Reagents, catalysts & solvents 2
Procedure
To a suspension of 7β-[2-cyclopropyloxyimino-2-(2-trifluoroacetamidothiazol-4-yl)acetamido]-3-(1,3,4-thiadiazol-2-yl)thiomethyl-3-cephem-4-carboxylic acid syn isomer) (1.1 g) in a mixture of water (23.5 ml) and tetrahydrofuran (2 ml) was added sodium acetate trihydrate (2.35 g) at ambient temperature. The mixture was stirred at the same temperature overnight to give a clear solution. The solution was washed with ethyl acetate and adjusted to pH 2 with 1N hydrochloric acid. The mixture was extracted with tetrahydrofuran twice. The extract was washed with saturated aqueous solution of sodium chloride, dried over magnesium sulfate and concentrated in vacuo. The residue was triturated with ethyl acetate to give 7β-[2-(2-amino- thiazol-4-yl)-2-(cyclopropyloxyimino)acetamido]-3-(1,3,4-thiadiazol-2-yl)thiomethyl-3-cephem-4-carboxylic acid (syn isomer) (780 mg) as a solid.
Workup
- customto give a clear solution
- washThe solution was washed with ethyl acetate
- extractionThe mixture was extracted with tetrahydrofuran twice
- washThe extract was washed with saturated aqueous solution of sodium chloride
- dry with materialdried over magnesium sulfate
- concentrationconcentrated in vacuo
- customThe residue was triturated with ethyl acetate
Sources & evidence
- ORD record
- ord-1d7da91152574b909a306d67711f33e0
- Source dataset
- uspto-grants-1989_08
- Patent number
- US04861769
Reaction notes
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