Methyl 2,5-Dichloronicotinate → Methyl 5-chloro-2-(3-cyanobenzyl)nicotinate
Reaction equation
Cl[C:2]1[N:11]=[CH:10][C:9]([Cl:12])=[CH:8][C:3]=1[C:4]([O:6][CH3:7])=[O:5].[Br-].[C:14]([C:16]1[CH:17]=[C:18]([CH:21]=[CH:22][CH:23]=1)[CH2:19][Zn+])#[N:15]>>[Cl:12][C:9]1[CH:10]=[N:11][C:2]([CH2:19][C:18]2[CH:21]=[CH:22][CH:23]=[C:16]([C:14]#[N:15])[CH:17]=2)=[C:3]([CH:8]=1)[C:4]([O:6][CH3:7])=[O:5]Participants
3
Procedure
The title compound was prepared according to the procedure described in step 2 of Example 58 from methyl 2,5-dichloronicotinate and 3-cyanobenzylzinc bromide: 1H-NMR (CDCl3) δ 8.66 (1H, d, J=2.5 Hz), 8.23 (1H, d, J=2.5 Hz), 7.58–7.34 (4H, m), 4.57 (2H, s), 3.91 (3H, s).
Sources & evidence
- ORD record
- ord-4cc779f27e45411f824ebe4e756bdac8
- Source dataset
- uspto-grants-2007_07
- Patent number
- US07238714B2
Reaction notes
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