3,5-Dibromopyridine → 5'-Bromo-4-(4-chloro-phenyl)-6-methyl-[2,3']bipyridinyl
反応式
[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[CH:13]=[C:12]([CH3:14])[N:11]=[C:10](I)[CH:9]=2)=[CH:4][CH:3]=1.[Br:16][C:17]1[C:18](B(O)O)=[N:19][CH:20]=[CH:21][CH:22]=1.BrC1C=NC=C(Br)C=1>>[Br:16][C:17]1[CH:22]=[C:21]([C:10]2[CH:9]=[C:8]([C:5]3[CH:6]=[CH:7][C:2]([Cl:1])=[CH:3][CH:4]=3)[CH:13]=[C:12]([CH3:14])[N:11]=2)[CH:20]=[N:19][CH:18]=1参加物
4
実験手順
The title compound was prepared from 4-(4-chloro-phenyl)-2-iodo-6-methyl-pyridine (example A.29) (2.15 g, 6.5 mmol) and commercially available 3-bromo-pyridine-boronic acid [CAS-No. 452972-09-07] (alternatively prepared from commercially available 3,5-dibromopyridine according to Tetrahedron 2002, 58(17), 3323 or Synthesis 2003, (7), 1035) (1.448 g, 7.1 mmol) according to the general procedure IVb. Obtained as a white solid (1.35 g, 57%). MS (ISP) 358.9 [(M+H)+], 360.9 [(M+2+H)+] and 363.0 [(M+4+H)+].
出典と根拠
- ORDレコード
- ord-5f8c4a1a9b334b71b0af7f77f679f852
- 出典データセット
- uspto-grants-2010_01
- 特許番号
- US07642264B2
反応ノート
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