1-Piperazinecarboxaldehyde → 1-(4,4-Diphenyl-2-cyclopentenyl)-4-formylpiperazine
Reaktionsgleichung
[C:1]1([C:7]2([C:13]3[CH:18]=[CH:17][CH:16]=[CH:15][CH:14]=3)[CH:11](O)[CH:10]=[CH:9][CH2:8]2)[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.[CH:19]([N:21]1[CH2:26][CH2:25][NH:24][CH2:23][CH2:22]1)=[O:20]>>[C:13]1([C:7]2([C:1]3[CH:2]=[CH:3][CH:4]=[CH:5][CH:6]=3)[CH2:8][CH:9]([N:24]3[CH2:25][CH2:26][N:21]([CH:19]=[O:20])[CH2:22][CH2:23]3)[CH:10]=[CH:11]2)[CH:14]=[CH:15][CH:16]=[CH:17][CH:18]=1Komponenten
3
Versuchsvorschrift
1-(4,4-Diphenyl-2-cyclopentenyl)piperazine dihydrochloride was obtained by reacting 5,5-diphenyl-2-cyclopenten-1-ol and 1-formylpiperazine according to a similar manner to that of Example 11 to give 1-(4,4-diphenyl-2-cyclopentenyl)-4-formylpiperazine, then eliminating formyl group thereof in a conventional manner.
Quellen und Nachweise
- ORD-Eintrag
- ord-d3eb7fe0aced40ca93bc2fed06562842
- Quelldatensatz
- uspto-grants-1993_10