8,9-Difluoro-3-methyl-6-oxo-2,3-dihydro-6H-1-oxa-3a-aza-phenalene-5-carboxylic acid → HCID 15167916, compound
Reaction equation
[F:1][C:2]1[C:3](F)=[C:4]2[O:9][CH2:8][CH:7]([CH3:10])[N:6]3[CH:11]=[C:12]([C:17]([OH:19])=[O:18])[C:13](=[O:16])[C:14]([CH:15]=1)=[C:5]23.[CH3:21][O:22][C:23]1[CH:31]=[CH:30][CH:29]=[C:28]2[C:24]=1[CH2:25][NH:26][CH2:27]2>CN(C=O)C>[CH3:21][O:22][C:23]1[CH:31]=[CH:30][CH:29]=[C:28]2[C:24]=1[CH2:25][N:26]([C:3]1[C:2]([F:1])=[CH:15][C:14]3[C:13](=[O:16])[C:12]([C:17]([OH:19])=[O:18])=[CH:11][N:6]4[CH:7]([CH3:10])[CH2:8][O:9][C:4]=1[C:5]=34)[CH2:27]2Participants
4
Procedure
131 mg of 9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de][1,4]-benzoxazine-6-carboxylic acid, 224 mg of 4-methoxyisoindoline, and 1.5 ml of anhydrous DMF were processed in the same manner as in Example 2 to produce 99 mg of the target compound.
Sources & evidence
- ORD record
- ord-19a470f2ca294ef0b844a35c72a24a7b
- Source dataset
- uspto-grants-1991_06
- Patent number
- US05026856
Reaction notes
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