5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-amine → 5-{3-[4-(3,4-Dichloro-phenyl)-6-methyl-pyridin-2-yl]-phenyl}-pyridin-2-ylamine
Reaction equation
Br[C:2]1[CH:3]=[C:4]([C:8]2[CH:13]=[C:12]([C:14]3[CH:19]=[CH:18][C:17]([Cl:20])=[C:16]([Cl:21])[CH:15]=3)[CH:11]=[C:10]([CH3:22])[N:9]=2)[CH:5]=[CH:6][CH:7]=1.[NH2:23][C:24]1[CH:29]=[CH:28][C:27](B2OC(C)(C)C(C)(C)O2)=[CH:26][N:25]=1>>[Cl:21][C:16]1[CH:15]=[C:14]([C:12]2[CH:11]=[C:10]([CH3:22])[N:9]=[C:8]([C:4]3[CH:3]=[C:2]([C:27]4[CH:28]=[CH:29][C:24]([NH2:23])=[N:25][CH:26]=4)[CH:7]=[CH:6][CH:5]=3)[CH:13]=2)[CH:19]=[CH:18][C:17]=1[Cl:20]Participants
3
Procedure
The title compound was prepared from 2-(3-bromo-phenyl)-4-(3,4-dichloro-phenyl)-6-methyl-pyridine (example E.85) (0.20 g, 0.509 mmol) and commercially available 2-amino-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine (0.123 g, 0.56 mmol) according to the general procedure VI. Obtained as an off-white solid (0.050 g, 21%). MS (ISP) 406.0 [(M+H)+], 408.1 [(M+2+H)+] and 410 [(M+4+H)+]; mp 99° C. (dec.).
Sources & evidence
- ORD record
- ord-82ac628c9311481f9e66db4fbcec0e7b
- Source dataset
- uspto-grants-2012_05
- Patent number
- US08183262B2
Reaction notes
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