1-(2-Hydroxyethyl)piperazine → HCID 18959721, compound
Reaction equation
[OH:1][C:2]1[CH:3]=[C:4]2[C:9](=[CH:10][CH:11]=1)[O:8][C:7]([C:12]1[CH:17]=[CH:16][CH:15]=[CH:14][CH:13]=1)=[CH:6][C:5]2=[O:18].Br[CH2:20][CH2:21][CH2:22][CH2:23][CH2:24][CH2:25][Cl:26].[OH:27][CH2:28][CH2:29][N:30]1[CH2:35][CH2:34][NH:33][CH2:32][CH2:31]1>>[ClH:26].[OH:27][CH2:28][CH2:29][N:30]1[CH2:35][CH2:34][N:33]([CH2:20][CH2:21][CH2:22][CH2:23][CH2:24][CH2:25][O:1][C:2]2[CH:11]=[CH:10][C:9]3[O:8][C:7]([C:12]4[CH:17]=[CH:16][CH:15]=[CH:14][CH:13]=4)=[CH:6][C:5](=[O:18])[C:4]=3[CH:3]=2)[CH2:32][CH2:31]1Participants
4
Procedure
The compound was prepared by the method of Example 3 from 6-hydroxyflavone, 1-bromo-6-chlorohexane, and 4-(2-Hydroxyethyl)piperazine: mp 239°-241° C.
Sources & evidence
- ORD record
- ord-8ea6766127aa4e64ab3cd5a679b15fc1
- Source dataset
- uspto-grants-1994_01
- Patent number
- US05278174
Reaction notes
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