Acetic Anhydride → HCID 13957978, compound
Reaction equation
[N:1]1[CH:6]=[CH:5][CH:4]=[C:3]([C:7]([CH:9]2[C:17]3[C:12](=[CH:13][CH:14]=[CH:15][CH:16]=3)[NH:11][C:10]2=[O:18])=[O:8])[CH:2]=1.[C:19](OC(=O)C)(=[O:21])[CH3:20]>>[C:19]([N:11]1[C:12]2[C:17](=[CH:16][CH:15]=[CH:14][CH:13]=2)[CH:9]([C:7]([C:3]2[CH:2]=[N:1][CH:6]=[CH:5][CH:4]=2)=[O:8])[C:10]1=[O:18])(=[O:21])[CH3:20]Participants
3
Procedure
Acetylation of 3-(3-pyridylcarbonyl)-2-oxindole with acetic anhydride, substantially according to the procedure of Example 1, afforded a 53% yield of the title compound, m.p. 141°-142.5° C.
Sources & evidence
- ORD record
- ord-6e2b945db88c4eef9e0ba438912d257e
- Source dataset
- uspto-grants-1987_09
- Patent number
- US04690943
Reaction notes
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