Ethyl 2-cyanopyridine-4-carboxylate → 3-(2-Cyano-pyridin-4-yl)-3-oxo-propionic acid tert-butyl ester
Reaction equation
C(O[C:4](=[O:13])[C:5]1[CH:10]=[CH:9][N:8]=[C:7]([C:11]#[N:12])[CH:6]=1)C.[C:14]([O:17][C:18]([CH3:21])([CH3:20])[CH3:19])(=[O:16])[CH3:15].[Li]>>[C:18]([O:17][C:14](=[O:16])[CH2:15][C:4]([C:5]1[CH:10]=[CH:9][N:8]=[C:7]([C:11]#[N:12])[CH:6]=1)=[O:13])([CH3:21])([CH3:20])[CH3:19]Participants
3
Procedure
The title compound was prepared from 2-cyano-isonicotinic acid ethyl ester [CAS-No. 58481-14-4] by treatment with lithium tert.-butyl acetate according to general procedure K (method b). Obtained as a light brown solid (7.70 g).
Sources & evidence
- ORD record
- ord-1b45b8e79e8b47968366c35b0a093ee2
- Source dataset
- uspto-grants-2003_04
- Patent number
- US06548495B2
Reaction notes
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