Diethyl (ethoxymethylene)malonate → HCID 12083046, compound
Reaction equation
[OH:1][CH2:2][C:3]1[CH:9]=[C:8]([CH3:10])[CH:7]=[CH:6][C:4]=1[NH2:5].C(O[CH:14]=[C:15]([C:21]([O:23][CH2:24][CH3:25])=[O:22])[C:16]([O:18][CH2:19][CH3:20])=[O:17])C>>[OH:1][CH2:2][C:3]1[CH:9]=[C:8]([CH3:10])[CH:7]=[CH:6][C:4]=1[NH:5][CH:14]=[C:15]([C:16]([O:18][CH2:19][CH3:20])=[O:17])[C:21]([O:23][CH2:24][CH3:25])=[O:22]Participants
3
Conditions
- Temperature
- 110 °C
Procedure
A mixture of 2-(hydroxymethyl)-4-methylaniline (10.0 g) and diethyl ethoxymethylenemalonate (18.5 g) is heated at 110° C. for 1 h. Crystallization from ether/hexane afforded 19.5 g of the title compound. Physical characteristics: M.p. 92-95° C.; Anal. Found: C, 62.49; H, 6.88; N, 4.60.
Workup
- customCrystallization from ether/hexane
Sources & evidence
- ORD record
- ord-040439b35660435588d4dd8df742cb80
- Source dataset
- uspto-grants-2003_09
- Patent number
- US06624159B2
Reaction notes
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