1-(4-Bromophenyl)-2,2-difluoroethan-1-ol → 10-[4-(2,2-Difluoro-1-hydroxy-ethyl)-phenyl]-1,4-dioxa-10-aza-dispiro[4.2.4.2]tetradecan-9-one
Reaction equation
[O:1]1[C:5]2([CH2:15][CH2:14][C:8]3([CH2:12][CH2:11][NH:10][C:9]3=[O:13])[CH2:7][CH2:6]2)[O:4][CH2:3][CH2:2]1.Br[C:17]1[CH:22]=[CH:21][C:20]([CH:23]([OH:27])[CH:24]([F:26])[F:25])=[CH:19][CH:18]=1>>[F:25][CH:24]([F:26])[CH:23]([C:20]1[CH:19]=[CH:18][C:17]([N:10]2[CH2:11][CH2:12][C:8]3([CH2:14][CH2:15][C:5]4([O:4][CH2:3][CH2:2][O:1]4)[CH2:6][CH2:7]3)[C:9]2=[O:13])=[CH:22][CH:21]=1)[OH:27]Participants
3
Procedure
The title compound was prepared in analogy to example 133, step 4 from 1,4-dioxa-10-aza-dispiro[4.2.4.2]tetradecan-9-one (described in example 133, step 3) and 1-(4-bromo-phenyl)-2,2-difluoro-ethanol as yellow solid. MS (m/e): 368.166 [MH+].
Sources & evidence
- ORD record
- ord-ad1cf630bbfc42ff99032adfddc46f5d
- Source dataset
- uspto-grants-2013_05
- Patent number
- US08440710B2
Reaction notes
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