Tetrahydrofuran → HCID 86649392, compound
Reaction equation
[CH3:1][S:2](Cl)(=[O:4])=[O:3].C1COCC1.[OH:11][CH2:12][CH2:13][CH2:14][N:15]([CH2:28][CH2:29][N:30]1[CH:35]=[CH:34][C:33]2[CH:36]=[CH:37][O:38][C:32]=2[C:31]1=[O:39])[S:16]([C:19]1[CH:24]=[CH:23][CH:22]=[CH:21][C:20]=1[N+:25]([O-:27])=[O:26])(=[O:18])=[O:17].C(N(CC)CC)C>ClCCl.O>[CH3:1][S:2]([O:11][CH2:12][CH2:13][CH2:14][N:15]([S:16]([C:19]1[CH:24]=[CH:23][CH:22]=[CH:21][C:20]=1[N+:25]([O-:27])=[O:26])(=[O:17])=[O:18])[CH2:28][CH2:29][N:30]1[CH:35]=[CH:34][C:33]2[CH:36]=[CH:37][O:38][C:32]=2[C:31]1=[O:39])(=[O:4])=[O:3]Participants
Procedure
Methanesulfonyl chloride (0.14 ml, 1.8 mmol) was added to a THF solution (30 ml) of N-(3-hydroxypropyl)-2-nitro-N-[2-(7-oxo-7H-furo[2,3-c]pyridin-6-yl)ethyl]benzenesulfonamide (644 mg, 1.5 mmol) and triethylamine (0.34 ml, 2.3 mmol), and stirred at room temperature overnight. Water was added to the reaction mixture, and extraction with dichloromethane was performed. The organic layer was dried over anhydrous sodium sulfate, and concentrated under reduced pressure. The residue was purified by silica gel column chromatography (ethyl acetate:methanol=1:0→10:1). The purified product was concentrated to dryness under reduced pressure to thereby obtain 480 mg (yield: 64%) of 3-{(2-nitrobenzenesulfonyl)-[2-(7-oxo-7H-furo [2,3-c]pyridin-6-yl)ethyl]amino}propyl methanesulfonate as a white amorphous solid.
Workup
- dry with materialThe organic layer was dried over anhydrous sodium sulfate
- concentrationconcentrated under reduced pressure
- customThe residue was purified by silica gel column chromatography (ethyl acetate:methanol=1:0→10:1)
- concentrationThe purified product was concentrated to dryness under reduced pressure
Sources & evidence
- ORD record
- ord-48af23401cbb4588b0d3e2efaae07f88
- Source dataset
- uspto-grants-2014_03
- Patent number
- US08664217B2
Reaction notes
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