7-fluorobenzo[c][1,2]oxaborole-1,5(3H)-diol → 5-Chloro-6-(7-fluoro-1-hydroxy-1,3-dihydrobenzo[c][1,2]oxaborol-5-yloxy)-2-(4-oxopentyloxy)nicotinonitrile
Reaction equation
[Cl:1][C:2]1[C:3](Cl)=[N:4][C:5]([O:10][CH2:11][CH2:12][CH2:13][C:14](=[O:16])[CH3:15])=[C:6]([CH:9]=1)[C:7]#[N:8].[F:18][C:19]1[C:24]2[B:25]([OH:28])[O:26][CH2:27][C:23]=2[CH:22]=[C:21]([OH:29])[CH:20]=1>>[Cl:1][C:2]1[C:3]([O:29][C:21]2[CH:20]=[C:19]([F:18])[C:24]3[B:25]([OH:28])[O:26][CH2:27][C:23]=3[CH:22]=2)=[N:4][C:5]([O:10][CH2:11][CH2:12][CH2:13][C:14](=[O:16])[CH3:15])=[C:6]([CH:9]=1)[C:7]#[N:8]Participants
3
Procedure
This compound was prepared from 5,6-dichloro-2-(4-oxopentyloxy)nicotinonitrile and 7-fluorobenzo[c][1,2]oxaborole-1,5(3H)-diol in a similar manner to that of D230. 1H-NMR (400 MHz, DMSO-d6) δ (ppm) 1.72-1.75 (m, 2H), 2.05 (s, 3H), 2.38 (t, J=5.4 Hz, 2H), 4.03 (t, J=5.4 Hz, 2H), 5.03 (s, 2H), 7.13 (d, J=7.8 Hz, 1H), 7.2 (s, 1H), 8.61 (s, 1H), 9.36 (s, 1H).
Sources & evidence
- ORD record
- ord-e21761ea932244f08abc1db88d7d8f6b
- Source dataset
- uspto-grants-2014_05
- Patent number
- US08716478B2
Reaction notes
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