1,5-Dibromopentane → HCID 54205626, compound
Reaction equation
[CH2:1]([O:3][C:4](=[O:24])[CH2:5][CH2:6][CH2:7][C:8](=[O:23])[C:9]1[CH:14]=[CH:13][C:12]([OH:15])=[C:11]([CH2:16][CH2:17][C:18]([O:20][CH2:21][CH3:22])=[O:19])[CH:10]=1)[CH3:2].[Br:25][CH2:26][CH2:27][CH2:28][CH2:29][CH2:30]Br>>[CH2:1]([O:3][C:4](=[O:24])[CH2:5][CH2:6][CH2:7][C:8](=[O:23])[C:9]1[CH:14]=[CH:13][C:12]([O:15][CH2:30][CH2:29][CH2:28][CH2:27][CH2:26][Br:25])=[C:11]([CH2:16][CH2:17][C:18]([O:20][CH2:21][CH3:22])=[O:19])[CH:10]=1)[CH3:2]Participants
3
Procedure
Starting with 0.332 g (0.99 mmol) of 3-(3-ethoxy-3-oxopropyl)-4-hydroxy-δ-oxobenzenepentanoic acid ethyl ester, and 1.16 g (5.04 mmol) of 1,5-dibromopentane, the title compound was obtained in 85.7% yield as a white solid, mp 48°-49° C., using the procedure of example 21.
Sources & evidence
- ORD record
- ord-81a7a8bf50eb4f72aa0119ac14d0d14b
- Source dataset
- uspto-grants-1993_12
- Patent number
- US05273999
Reaction notes
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