Di-tert-butyl malonate → 2-(3-Bromo-4-cyanophenyl)acetic acid
Reaction equation
[C:1]([C:3]1[C:8](OC)=[CH:7][C:6]([CH2:11][C:12]([OH:14])=[O:13])=[C:5](F)[CH:4]=1)#[N:2].C(OC(C)(C)C)(=O)CC(OC(C)(C)C)=O.[Br:31]C1C=C(C=CC=1F)C#N>>[Br:31][C:8]1[CH:7]=[C:6]([CH2:11][C:12]([OH:14])=[O:13])[CH:5]=[CH:4][C:3]=1[C:1]#[N:2]Participants
4
Procedure
(3-Bromo-4-cyanophenyl)acetic acid was prepared in a similar fashion to the previously described synthesis of (4-cyano-2-fluoro-5-methoxyphenyl)acetic acid starting from di-tert-butyl malonate and 3-bromo-4-fluorobenzonitrile. LC-MS (IE, m/z): 239, 241 [M+1]+.
Sources & evidence
- ORD record
- ord-5fd43457cade47479403a33dd6b11272
- Source dataset
- uspto-grants-2015_06
- Patent number
- US09056859B2
Reaction notes
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