Acetic Anhydride → 1-Acetyl-3-(1-ethoxy-1-ethyl-methylidene)-5,6-dimethoxy-2-indolinone
Reaction equation
[C:1]([N:4]1[C:12]2[C:7](=[CH:8][C:9]([O:15][CH3:16])=[C:10]([O:13][CH3:14])[CH:11]=2)[CH2:6][C:5]1=[O:17])(=[O:3])[CH3:2].[C:18](OCC)(OCC)([O:21][CH2:22][CH3:23])[CH2:19][CH3:20].C(OC(=O)C)(=O)C>>[C:1]([N:4]1[C:12]2[C:7](=[CH:8][C:9]([O:15][CH3:16])=[C:10]([O:13][CH3:14])[CH:11]=2)[C:6](=[C:18]([O:21][CH2:22][CH3:23])[CH2:19][CH3:20])[C:5]1=[O:17])(=[O:3])[CH3:2]Participants
4
Procedure
Prepared from 1-acetyl-5,6-dimethoxy-2-indolinone, triethyl orthopropionate and acetic anhydride
Sources & evidence
- ORD record
- ord-095d7bd7b3e54709bec39f7367797e31
- Source dataset
- uspto-grants-2004_09
- Patent number
- US06794395B1
Reaction notes
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