Potassium bisulfate → HCID 68485592, compound
Reaction equation
[Cl:1][C:2]1[S:6][C:5]([C:7]([NH:9][C:10]2([C:16]([O:18][CH3:19])=[O:17])[CH2:14][CH:13]3[O:15][CH:12]3[CH2:11]2)=[O:8])=[CH:4][CH:3]=1.S([O-])(O)(=O)=[O:21].[K+]>C(O)(=O)C>[Cl:1][C:2]1[S:6][C:5]([C:7]([NH:9][C:10]2([C:16]([O:18][CH3:19])=[O:17])[CH2:14][CH:13]([OH:21])[CH:12]([OH:15])[CH2:11]2)=[O:8])=[CH:4][CH:3]=1Participants
4
Reactant 2
Product 1
Reagents, catalysts & solvents 1
Conditions
- Temperature
- 40 °C
Procedure
A mixture of 0.76 g (1.84 mmol) methyl 1-[(5-chloro-thiophen-2-yl)-carbonylamino]-3,4-epoxy-cyclopentane-1-carboxylate, 3.0 ml acetic acid and 0.38 g potassium hydrogen sulphate are stirred for 4 h at 40° C. Then the mixture is concentrated by evaporation, dissolved in DMF, acidified with trifluoroacetic acid and purified by preparative HPLC.
Workup
- concentrationThen the mixture is concentrated by evaporation
- dissolutiondissolved in DMF
- custompurified by preparative HPLC
Sources & evidence
- ORD record
- ord-ed86165850fd4446ab69bdb2f6aca4f9
- Source dataset
- uspto-grants-2015_06
- Patent number
- US09062034B2
Reaction notes
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