2-Bromo-5-fluorobenzonitrile → 4,2'-Difluoro-5'-nitrobiphenyl-2-carbonitrile
Reaction equation
Br[C:2]1[CH:9]=[CH:8][C:7]([F:10])=[CH:6][C:3]=1[C:4]#[N:5].[F:11][C:12]1[CH:17]=[CH:16][C:15]([N+:18]([O-:20])=[O:19])=[CH:14][C:13]=1B1OC(C)(C)C(C)(C)O1>>[F:10][C:7]1[CH:6]=[C:3]([C:4]#[N:5])[C:2]([C:13]2[CH:14]=[C:15]([N+:18]([O-:20])=[O:19])[CH:16]=[CH:17][C:12]=2[F:11])=[CH:9][CH:8]=1Participants
3
Procedure
2-Bromo-5-fluorobenzonitrile was coupled to 2-(2-fluoro-5-nitrophenyl)-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane as described in Example 51 to give 4,2′-difluoro-5′-nitrobiphenyl-2-carbonitrile as a black solid: δH (360 MHz, CDCl3) 7.38-7.56 (4H, m), 8.33-8.40 (2H, m).
Sources & evidence
- ORD record
- ord-95d5b2fd8a5a45488c83f4c3e6bc1515
- Source dataset
- uspto-grants-2005_05
- Patent number
- US06900215B2
Reaction notes
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