1,3-Dibromopropane → HCID 19348520, compound
Reaction equation
[Cl:1][C:2]1[C:3]([OH:20])=[CH:4][C:5]([O:18][CH3:19])=[C:6]([CH:8]([CH2:14][CH2:15][CH2:16][CH3:17])[CH2:9][C:10]([O:12][CH3:13])=[O:11])[CH:7]=1.[Br:21][CH2:22][CH2:23][CH2:24]Br>>[Cl:1][C:2]1[C:3]([O:20][CH2:24][CH2:23][CH2:22][Br:21])=[CH:4][C:5]([O:18][CH3:19])=[C:6]([CH:8]([CH2:14][CH2:15][CH2:16][CH3:17])[CH2:9][C:10]([O:12][CH3:13])=[O:11])[CH:7]=1Participants
3
Procedure
Following a similar procedure to that described in Preparation 45A(i), but using methyl 3-(5-chloro-4-hydroxy-2-methoxyphenyl)heptanoate (prepared as described in Preparation 56B) and 1,3-dibromopropane, methyl 3-[5-chloro-2-methoxy-4-(3-bromopropoxy)phenyl]heptanoate was obtained as an oily substance.
Workup
- customthat described in Preparation 45A(i)
Sources & evidence
- ORD record
- ord-233661d573bc407c8daefc20408feb6c
- Source dataset
- uspto-grants-1999_03
- Patent number
- US05880147
Reaction notes
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