Ethylparaben → ethyl 4-(1-t-butoxycarbonyl-4-piperidyloxy)benzoate
Reaction equation
[CH2:1]([O:3][C:4](=[O:12])[C:5]1[CH:10]=[CH:9][C:8]([OH:11])=[CH:7][CH:6]=1)[CH3:2].[C:13]([O:17][C:18]([N:20]1[CH2:25][CH2:24][CH:23](O)[CH2:22][CH2:21]1)=[O:19])([CH3:16])([CH3:15])[CH3:14]>>[C:13]([O:17][C:18]([N:20]1[CH2:25][CH2:24][CH:23]([O:11][C:8]2[CH:9]=[CH:10][C:5]([C:4]([O:3][CH2:1][CH3:2])=[O:12])=[CH:6][CH:7]=2)[CH2:22][CH2:21]1)=[O:19])([CH3:16])([CH3:14])[CH3:15]Participants
3
Procedure
4-(4-Ethoxycarbonylphenoxy)piperidine-1-carboxylic acid tert-butyl ester was prepared from 4-hydroxybenzoic acid ethyl ester and 4-hydroxypiperidine-1-carboxylic acid tert-butyl ester using the procedure described in Example 103 step 1; Mp 76-78° C.; MS m/z 350 (M+H).
Sources & evidence
- ORD record
- ord-86b41b3705e84722a737f0ba0c7c310e
- Source dataset
- uspto-grants-2012_08
- Patent number
- US08247414B2
Reaction notes
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