Acetic Anhydride → HCID 13957977, compound
Reaction equation
[O:1]1[CH:5]=[CH:4][CH:3]=[C:2]1[C:6]([CH:8]1[C:16]2[C:11](=[CH:12][CH:13]=[CH:14][CH:15]=2)[NH:10][C:9]1=[O:17])=[O:7].[C:18](OC(=O)C)(=[O:20])[CH3:19]>>[C:18]([N:10]1[C:11]2[C:16](=[CH:15][CH:14]=[CH:13][CH:12]=2)[CH:8]([C:6]([C:2]2[O:1][CH:5]=[CH:4][CH:3]=2)=[O:7])[C:9]1=[O:17])(=[O:20])[CH3:19]Participants
3
Procedure
Acetylation of 3-(2-furoyl)-2-oxindole with acetic anhydride, substantially according to the procedure of Example 1, afforded a 73% yield of the title compound, m.p. 137.5°-138.5° C.
Sources & evidence
- ORD record
- ord-e62ab68494de4d51ba9acb31842838c7
- Source dataset
- uspto-grants-1989_02
- Patent number
- US04808601
Reaction notes
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