Trifluoroacetic acid → HCID 22622405, compound
Reaction equation
O=[CH:2][CH2:3][C:4]1[CH:9]=[CH:8][CH:7]=[CH:6][C:5]=1[CH:10]1[CH2:15][CH2:14][NH:13][CH2:12][CH2:11]1.C(N)(OC(C)(C)C)=[O:17].FC(F)(F)C(O)=O>C(Cl)Cl>[C:3]([C:4]1[CH:9]=[CH:8][CH:7]=[CH:6][C:5]=1[CH:10]1[CH2:15][CH2:14][NH:13][CH2:12][CH2:11]1)(=[O:17])[CH3:2]Participants
4
Reactant 2
Product 1
Reagents, catalysts & solvents 1
Procedure
A solution of 4-(2-oxoethylphenyl)-piperidine-N-Boc-amine was stirred in a solution of DCM (3 mL) and trifluoroacetic acid (1 mL) for 1 h, concentrated under reduced pressure, residual solvent was coevaporated twice from methanol, and dried under high vacuum to provide the N-deprotected 4-(2-acetylphenyl)piperidine. Using standard reductive amination conditions 4-(2-acetylphenyl)piperidine was reacted with N-[2-(S)-(3,4-dichlorophenyl)-4-oxobutyl]-N-methyl-3-cyano-1-naphthamide and converted to the citrate salt. MS m/z 612 (M+H).
Workup
- concentrationconcentrated under reduced pressure, residual solvent
- customdried under high vacuum
Sources & evidence
- ORD record
- ord-bf19c6a3b1ff471db6b5707cc55de856
- Source dataset
- uspto-grants-2002_04
- Patent number
- US06365602B1
Reaction notes
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