3,3,3-Triethoxyprop-1-yne → 3-Ethoxy-5-triethoxyprop-1-ynyl-pyridine
Reaction equation
Br[C:2]1[CH:3]=[N:4][CH:5]=[C:6]([O:8][CH2:9][CH3:10])[CH:7]=1.[CH2:11]([O:13][C:14]([O:20][CH2:21][CH3:22])([O:17][CH2:18][CH3:19])[C:15]#[CH:16])[CH3:12]>>[CH2:9]([O:8][C:6]1[CH:5]=[N:4][CH:3]=[C:2]([C:16]#[C:15][C:14]([O:17][CH2:18][CH3:19])([O:13][CH2:11][CH3:12])[O:20][CH2:21][CH3:22])[CH:7]=1)[CH3:10]Participants
3
Procedure
The title compound was synthesized from 3-bromo-5-ethoxy-pyridine and 3,3,3-triethoxypropyne using the procedure described in Example 43, step (e), in 37% yield. 1H NMR (CDCl3) δ 8.27 (bs, 1H), 8.24 (bs, 1H), 7.21 (m, 1H), 4.02 (q, 2H, J=7.0 Hz), 3.72 (q, 6H, J=7.0 Hz), 1.39 (t, 3H, J=7.0 Hz), 1.23 (t, 9H, J=7.0 Hz).
Sources & evidence
- ORD record
- ord-cc717a44db274c4f95c9de13457091b9
- Source dataset
- uspto-grants-2005_02
- Patent number
- US06855722B2
Reaction notes
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