Ethyl 2-bromovalerate → Ethyl 2-(4-chloro-2-{[2-methyl-5-(propylsulfonyl)phenyl]ethynyl}phenoxy)pentanoate
Reaction equation
[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([OH:8])=[C:4]([C:9]#[C:10][C:11]2[CH:16]=[C:15]([S:17]([CH2:20][CH2:21][CH3:22])(=[O:19])=[O:18])[CH:14]=[CH:13][C:12]=2[CH3:23])[CH:3]=1.Br[CH:25]([CH2:31][CH2:32][CH3:33])[C:26]([O:28][CH2:29][CH3:30])=[O:27]>>[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([O:8][CH:25]([CH2:31][CH2:32][CH3:33])[C:26]([O:28][CH2:29][CH3:30])=[O:27])=[C:4]([C:9]#[C:10][C:11]2[CH:16]=[C:15]([S:17]([CH2:20][CH2:21][CH3:22])(=[O:19])=[O:18])[CH:14]=[CH:13][C:12]=2[CH3:23])[CH:3]=1Participants
3
Procedure
Following the general method as outlined in Intermediate 268, starting from 4-chloro-2-{[2-methyl-5-(propylsulfonyl)phenyl]ethynyl}phenol (Intermediate 267) and ethyl 2-bromovalerate, the title compound was obtained as a colorless sticky solid.
Sources & evidence
- ORD record
- ord-e324c47932474073bd12c806ff07627d
- Source dataset
- uspto-grants-2012_09