1-(4-Methoxyphenyl)-4-phenethylpiperazine → 3-[4-(2,5-Difluoro-4-hydroxyphenyl)-piperazin-1-yl]-1-phenylpropan-1-one
Reaction equation
COC1C=CC(N2CCN(CCC3C=CC=CC=3)CC2)=CC=1.[F:23][C:24]1[CH:29]=[C:28]([O:30]C)[C:27]([F:32])=[CH:26][C:25]=1[N:33]1[CH2:38][CH2:37][N:36]([CH2:39][CH2:40][C:41]([C:43]2[CH:48]=[CH:47][CH:46]=[CH:45][CH:44]=2)=[O:42])[CH2:35][CH2:34]1>>[F:23][C:24]1[CH:29]=[C:28]([OH:30])[C:27]([F:32])=[CH:26][C:25]=1[N:33]1[CH2:38][CH2:37][N:36]([CH2:39][CH2:40][C:41]([C:43]2[CH:48]=[CH:47][CH:46]=[CH:45][CH:44]=2)=[O:42])[CH2:35][CH2:34]1Participants
3
Procedure
Production Example 2 was repeated except that 1-(4-methoxyphenyl)-4-phenethylpiperazine was replaced with 3-[4-(2,5-difluoro-4-methoxyphenyl)piperazin-1-yl]-1-phenylpropan-1-one (344 mg), to provide crude 3-[4-(2,5-difluoro-4-hydroxyphenyl)-piperazin-1-yl]-1-phenylpropan-1-one (334 mg).
Sources & evidence
- ORD record
- ord-b651fc0d119f4a1c97b178189abc66f9
- Source dataset
- uspto-grants-2008_11
- Patent number
- US07449466B2
Reaction notes
Loading…