4-Chlorophenyl chloroformate → 4-Chlorophenyl 4-(prop-2-ynyl)piperidine-1-carboxylate
Reaction equation
Cl[C:2]([O:4][C:5]1[CH:10]=[CH:9][C:8]([Cl:11])=[CH:7][CH:6]=1)=[O:3].[CH2:12]([CH:15]1[CH2:20][CH2:19][N:18](C(OC(C)(C)C)=O)[CH2:17][CH2:16]1)[C:13]#[CH:14]>>[CH2:12]([CH:15]1[CH2:20][CH2:19][N:18]([C:2]([O:4][C:5]2[CH:10]=[CH:9][C:8]([Cl:11])=[CH:7][CH:6]=2)=[O:3])[CH2:17][CH2:16]1)[C:13]#[CH:14]Participants
3
Procedure
4-(chloro)phenyl chloroformate (5.00 g, 26.2 mmol) was added to a solution of tert-butyl 4-(prop-2-ynyl)piperidine-1-carboxylate (5.50 g, 20.1 mmol) according to general procedure 1. Yield=4.83 g, 86%. m/z MH+=278.13. HPLC rt=13.0 min.
Workup
- customHPLC rt=13.0 min.
Sources & evidence
- ORD record
- ord-3ded118b43b440879489cc324b238507
- Source dataset
- uspto-grants-2011_02
- Patent number
- US07888329B2
Reaction notes
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