5-Chloro-2-picolinic acid → HCID 71059482, compound
Reaction equation
[F:1][C:2]1([F:19])[CH2:7][O:6][C:5]([NH2:8])=[N:4][C@@:3]21[C:17]1[C:12](=[CH:13][CH:14]=[C:15]([NH2:18])[CH:16]=1)[CH2:11][CH2:10][CH2:9]2.[Cl:20][C:21]1[CH:22]=[CH:23][C:24]([C:27](O)=[O:28])=[N:25][CH:26]=1>>[NH2:8][C:5]1[O:6][CH2:7][C:2]([F:1])([F:19])[C@@:3]2([C:17]3[C:12](=[CH:13][CH:14]=[C:15]([NH:18][C:27](=[O:28])[C:24]4[CH:23]=[CH:22][C:21]([Cl:20])=[CH:26][N:25]=4)[CH:16]=3)[CH2:11][CH2:10][CH2:9]2)[N:4]=1Participants
3
Procedure
The condensation of (R)-5′,5′-difluoro-3,4,5′,6′-tetrahydro-2H-spiro[naphthalene-1,4′-[1,3]oxazine]-2′,7-diamine (intermediate A7.1) and 5-chloropicolinic acid yielded the title compound (42% yield) as a white solid. MS (ISP): m/z=407.2 [M+H]+.
Sources & evidence
- ORD record
- ord-b4f0370b22994f2baa36d5d153d6b9b9
- Source dataset
- uspto-grants-2015_07
- Patent number
- US09079919B2
Reaction notes
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