(3S,4S)-tert-Butyl 3-hydroxy-4-(4-hydroxyphenyl)piperidine-1-carboxylate → Tert-butyl 4-{4-[3-(2,6-difluorophenoxy)propoxy]phenyl}-3-hydroxypiperidine-1-carboxylate
Reaction equation
[OH:1][CH:2]1[CH:7]([C:8]2[CH:13]=[CH:12][C:11]([OH:14])=[CH:10][CH:9]=2)[CH2:6][CH2:5][N:4]([C:15]([O:17][C:18]([CH3:21])([CH3:20])[CH3:19])=[O:16])[CH2:3]1.Br[CH2:23][CH2:24][CH2:25][O:26][C:27]1[C:32]([F:33])=[CH:31][CH:30]=[CH:29][C:28]=1[F:34]>>[F:33][C:32]1[CH:31]=[CH:30][CH:29]=[C:28]([F:34])[C:27]=1[O:26][CH2:25][CH2:24][CH2:23][O:14][C:11]1[CH:10]=[CH:9][C:8]([CH:7]2[CH2:6][CH2:5][N:4]([C:15]([O:17][C:18]([CH3:21])([CH3:20])[CH3:19])=[O:16])[CH2:3][CH:2]2[OH:1])=[CH:13][CH:12]=1Participants
3
Procedure
Analogously to Method I, 0.750 g of tert-butyl 3-hydroxy-4-(4-hydroxyphenyl)piperidine-1-carboxylate and 0.820 g of 2-(3-bromopropoxy)-1,3-difluorobenzene are reacted. The title compound is obtained as a slightly yellowish oil. Rf=0.70 (1:1 EtOAc-heptane); Rt=5.26.
Sources & evidence
- ORD record
- ord-9e4aad31300f49488c995fc94e03f39d
- Source dataset
- uspto-grants-2010_11
- Patent number
- US07842688B2
Reaction notes
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