Tert-butyl 4-(2-methoxy-2-oxoethylidene)piperidine-1-carboxylate → 2-(1-(2-Methoxyethyl)piperidin-4-ylidene)acetic acid
Reaction equation
[CH3:1][O:2][CH2:3][CH2:4][N:5]1[CH2:10][CH2:9][C:8](=[CH:11][C:12]([O:14]C)=[O:13])[CH2:7][CH2:6]1.COC(C=C1CCN(C(OC(C)(C)C)=O)CC1)=O>>[CH3:1][O:2][CH2:3][CH2:4][N:5]1[CH2:6][CH2:7][C:8](=[CH:11][C:12]([OH:14])=[O:13])[CH2:9][CH2:10]1Participants
3
Procedure
The title compound was prepared following the procedure for the preparation of intermediate 3a except that methyl 2-(1-(2-methoxyethyl)piperidin-4-ylidene)acetate was substituted for tert-butyl 4-((methoxycarbonyl)methylene)piperidine-1-carboxylate.
Sources & evidence
- ORD record
- ord-07430b557800403f8b0ba1cc74848594
- Source dataset
- uspto-grants-2010_07
- Patent number
- US07754729B2
Reaction notes
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