5-Bromo-1,3-difluoro-2-iodobenzene → 5-(4-Bromo-2,6-difluorophenyl)oxazole
Reaction equation
[Br:1][C:2]1[CH:3]=[C:4]([F:10])[C:5](I)=[C:6]([F:8])[CH:7]=1.CC1(C)C(C)(C)OB([C:19]2[O:23][C:22]([Si](C(C)C)(C(C)C)C(C)C)=[N:21][CH:20]=2)O1>>[Br:1][C:2]1[CH:3]=[C:4]([F:10])[C:5]([C:19]2[O:23][CH:22]=[N:21][CH:20]=2)=[C:6]([F:8])[CH:7]=1Participants
3
Procedure
The title compound is prepared from 5-bromo-1,3-difluoro-2-iodo-benzene and 5-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-2-triisopropylsilanyl-oxazole following a procedure analogous to that described in Intermediate 27. LC (method 1): tR=1.18 min; Mass spectrum (ESI+): m/z=260 [M+H]+.
Sources & evidence
- ORD record
- ord-60bf5a2ea0b34182be7b171335a2a86c
- Source dataset
- uspto-grants-2014_09
- Patent number
- US08822471B2
Reaction notes
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