Dichloromethane → HCID 86701855, compound
Reaction equation
O[C@@H:2]1[C@H:13]2[C@H:9]([N:10]([C:15]([O:17][C:18]([CH3:21])([CH3:20])[CH3:19])=[O:16])[C:11](=[O:14])[CH2:12]2)[C:8]2[C:3]1=[CH:4][CH:5]=[CH:6][CH:7]=2.ClCCl.C(N(S(F)(F)[F:31])CC)C>>[F:31][C@H:2]1[C@H:13]2[C@H:9]([N:10]([C:15]([O:17][C:18]([CH3:21])([CH3:20])[CH3:19])=[O:16])[C:11](=[O:14])[CH2:12]2)[C:8]2[C:3]1=[CH:4][CH:5]=[CH:6][CH:7]=2Participants
4
Conditions
- Temperature
- 0 °C
Procedure
To a solution of tert-butyl (3aR,4R,8bS)-4-hydroxy-2-oxo-3,3a,4,8b-tetrahydroindeno[1,2-b]pyrrole-1-carboxylate (0.200 g, 0.691 mmol) in dichloromethane (1 equiv., 3 mL, 0.69 mmol) was added at 0° C. diethylaminosulfur trifluoride (0.913 mL, 6.91 mmol). The solution was stirred at 0° C. for 30 min. The reaction mixture was carefully quenched with NaHCO3 sat. and extracted with dichloromethane. The organic layer was dried and concentrated. The residue was purified by flash chromatography (0-80% ethyl acetate in cyclohexane) to give the desired product F28 (0.150 g, 74%). LCMS (method A): 1.65 min; ES+: 605 (2M+Na+).
Workup
- customThe reaction mixture was carefully quenched with NaHCO3 sat.
- extractionextracted with dichloromethane
- customThe organic layer was dried
- concentrationconcentrated
- customThe residue was purified by flash chromatography (0-80% ethyl acetate in cyclohexane)
Sources & evidence
- ORD record
- ord-6eb17fdcd6a6429daf1815a1fd2e8ce5
- Source dataset
- uspto-grants-2015_02
- Patent number
- US08946280B2
Reaction notes
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