Diethyl (ethoxymethylene)malonate → 2-((4-Methoxy-phenylamino)-methylene)-malonic acid diethyl ester
Reaction equation
[CH3:1][O:2][C:3]1[CH:9]=[CH:8][C:6]([NH2:7])=[CH:5][CH:4]=1.C(O[CH:13]=[C:14]([C:20]([O:22][CH2:23][CH3:24])=[O:21])[C:15]([O:17][CH2:18][CH3:19])=[O:16])C>>[CH3:1][O:2][C:3]1[CH:9]=[CH:8][C:6]([NH:7][CH:13]=[C:14]([C:15]([O:17][CH2:18][CH3:19])=[O:16])[C:20]([O:22][CH2:23][CH3:24])=[O:21])=[CH:5][CH:4]=1Participants
3
Procedure
A mixture of 4methoxyaniline (28.3 g, 0.230 mol) in diethyl ethoxymethylene-malonate (46.0 mL, 0.230 mol) was allowed to stir at rt for 16 h. Removal of solvent gave diethyl ([(4-methoxyphenyl)aniino]methylenelmalonate. LCMS: (FA) ES+ 294.2.
Workup
- customRemoval of solvent
- customgave diethyl ([(4-methoxyphenyl)aniino]methylenelmalonate
Sources & evidence
- ORD record
- ord-a209f72593a3414c9a6d0bff813919ae
- Source dataset
- uspto-grants-2012_02
- Patent number
- US08110687B2
Reaction notes
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