HCID 9397001, compound → 1,2,5,6-Tetrahydro-3-methoxy-1-(phenylsulfonyl)pyrazine
Reaction equation
[C:1]1([S:7]([N:10]2[CH2:15][CH2:14][NH:13][C:12](=[O:16])[CH2:11]2)(=[O:9])=[O:8])[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.F[B-](F)(F)F.[CH3:22][OH+](C)(C)C>ClCCl>[CH3:22][O:16][C:12]1[CH2:11][N:10]([S:7]([C:1]2[CH:2]=[CH:3][CH:4]=[CH:5][CH:6]=2)(=[O:9])=[O:8])[CH2:15][CH2:14][N:13]=1Participants
3
Reactant 1
Product 1
Reagents, catalysts & solvents 1
Procedure
4-(Phenylsulfonyl)-2-piperazinone was dissolved in dichloromethane, tetramethyloxonium tetrafluoroborate was added thereto, and the whole was stirred to obtain 5-methoxy-1-(phenylsulfonyl)-1,2,3,6-tetrahydropyrazine.
Sources & evidence
- ORD record
- ord-18db523cf3b64d54a9fcb0472c9d0a62
- Source dataset
- uspto-grants-2010_08
- Patent number
- US07776897B2
Reaction notes
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