Dimethyl Carbonate → HCID 68527440, compound
Reaction equation
[CH3:1][N:2]1[C:6]2[CH2:7][CH2:8][CH2:9][CH2:10][C:11](=[O:12])[C:5]=2[CH:4]=[N:3]1.[H-].[Na+].[CH3:15][O:16][C:17](=O)[O:18]C>>[CH3:1][N:2]1[C:6]2[CH2:7][CH2:8][CH2:9][CH:10]([C:17]([O:16][CH3:15])=[O:18])[C:11](=[O:12])[C:5]=2[CH:4]=[N:3]1Participants
4
Procedure
A solution of 1-methyl-5,6,7,8-tetrahydro-1H-cycloheptapyrazol-4-one (0.75 g, 4.6 mmol) in dimethylcarbonate (3 mL) is treated with 60% dispersion of sodium hydride in oil (0.4 g, 10 mmol) as described in Example 1A to yield the title compound: MS (DCI/NH3) m/z 223 (M+H)+.
Sources & evidence
- ORD record
- ord-fb7d282f8a254fd684529612fd7ea7cd
- Source dataset
- uspto-grants-2013_10
- Patent number
- US08546410B2
Reaction notes
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