Isatin → HCID 478672, compound
Reaction equation
[NH2:1][C:2]1[N:10]=[CH:9][CH:8]=C[C:3]=1[C:4](O)=[O:5].[F:11][C:12]1[CH:13]=[C:14]2[C:18](=[CH:19][CH:20]=1)[NH:17][C:16](=O)[C:15]2=[O:22].[NH:23]1C2C(=CC=CC=2)C(=O)C1=O>>[F:11][C:12]1[CH:13]=[C:14]2[C:18](=[CH:19][CH:20]=1)[N:17]1[C:16](=[N:1][C:2]3[C:3]([C:4]1=[O:5])=[N:23][CH:8]=[CH:9][N:10]=3)[C:15]2=[O:22]Participants
4
Procedure
Using the procedure in Example 56, and substituting 3-aminopyrazine-2-carboxylic acid for 2-aminonicotinic acid and 5-fluoroisatin for isatin gave 79 mg (6%) of the title compound: mp 336° C. (dec); 1H NMR(DMSO-d6) δ 7.65-8.00 (m, 2H), 8.50 (s, 1H), 9.05-9.20 (m, 2H); MS (M+H)+ 269.
Sources & evidence
- ORD record
- ord-90242ca1d8024b3690d618536fe63623
- Source dataset
- uspto-grants-1995_08
- Patent number
- US05441955
Reaction notes
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