2,6-Dibromopyridine → HCID 57468809, compound
Reaction equation
I[C:2]1[N:7]=[C:6]([C:8]([F:11])([F:10])[F:9])[CH:5]=[C:4]([C:12]2[CH:17]=[CH:16][C:15]([C:18]([F:21])([F:20])[F:19])=[CH:14][CH:13]=2)[N:3]=1.[Br:22][C:23]1[CH:28]=[CH:27][CH:26]=[C:25](Br)[N:24]=1>[Li]CCCC.[Zn+2].[Br-].[Br-]>[Br:22][C:23]1[N:24]=[C:25]([C:2]2[N:7]=[C:6]([C:8]([F:11])([F:10])[F:9])[CH:5]=[C:4]([C:12]3[CH:17]=[CH:16][C:15]([C:18]([F:21])([F:20])[F:19])=[CH:14][CH:13]=3)[N:3]=2)[CH:26]=[CH:27][CH:28]=1Participants
4
Reactant 2
Product 1
Reagents, catalysts & solvents 1
Procedure
The title compound was prepared from 2-iodo-4-trifluoromethyl-6-(4-trifluoromethyl-phenyl)-pyrimidine (example A.4) (0.900 g, 2.15 mmol), n-BuLi/ZnBr2 and commercially available 2,6-dibromopyridine (0.510 g, 2.15 mmol) according to Tetrahedron Letters 1996, 37(15), 2537 and the general procedure IVc protocol b. Obtained as a yellow oil (0.658 g, 60%, 88% purity). MS (ISP) 447.8 [(M+H)+] and 450.0 [(M+2+H)+].
Workup
- customObtained as a yellow oil (0.658 g, 60%, 88% purity)
Sources & evidence
- ORD record
- ord-46c4f7eba3aa48eaa244d2b379539243
- Source dataset
- uspto-grants-2012_05
- Patent number
- US08183262B2
Reaction notes
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