Methane → HCID 13370937, compound
Reaction equation
[F:1][C:2]1[CH:3]=[C:4]([C:8]2[O:13][C:12](=O)[NH:11][C:10](=[O:15])[CH:9]=2)[CH:5]=[CH:6][CH:7]=1.[CH3:16][NH2:17].C>CO>[CH3:16][N:17]1[C:8]([C:4]2[CH:5]=[CH:6][CH:7]=[C:2]([F:1])[CH:3]=2)=[CH:9][C:10](=[O:15])[NH:11][C:12]1=[O:13]Participants
5
Reactant 3
Product 1
Reagents, catalysts & solvents 1
Procedure
To 490 mg (2.36 mM) of 6-m-fluorophenyl-1,3-oxazine-2,4-dione of Preparation IIa(1) is added 30.0 ml of a 40 percent aq. CH3NH2 solution. The reaction solution is heated at reflux for 18 hours. The solution is cooled and evaporated to dryness, under vacuum, to yield an amber solid. The solid is dissolved in CH3OH (hot), treated with darco, filtered and the CH3OH filtrate is evaporated to a white solid. The solid is recrystallized from H2O to yield 280 mg (54 percent) (m.p.: 192-194) of 1-N-methyl-6-m-fluorophenyl-2,4-pyrimidine-dione.
Workup
- temperatureThe reaction solution is heated
- temperatureat reflux for 18 hours
- temperatureThe solution is cooled
- customevaporated to dryness, under vacuum
- customto yield an amber solid
- filtrationfiltered
- customthe CH3OH filtrate is evaporated to a white solid
- customThe solid is recrystallized from H2O
Sources & evidence
- ORD record
- ord-62f3b5ed8fec47bba3bbb35a01091d0c
- Source dataset
- uspto-grants-1986_11
- Patent number
- US04625028
Reaction notes
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