Reaktionsgleichung
[CH2:1]([N:8]1[CH2:13][CH2:12][CH:11]([NH:14][NH2:15])[CH2:10][CH2:9]1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[C:16]1([CH:22]([C:28]([CH3:30])=O)[C:23](OCC)=[O:24])[CH:21]=[CH:20][CH:19]=[CH:18][CH:17]=1>>[CH2:1]([N:8]1[CH2:9][CH2:10][CH:11]([N:14]2[C:23](=[O:24])[C:22]([C:16]3[CH:21]=[CH:20][CH:19]=[CH:18][CH:17]=3)=[C:28]([CH3:30])[NH:15]2)[CH2:12][CH2:13]1)[C:2]1[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=1Komponenten
3
Versuchsvorschrift
When 1.4 g of 1-benzyl-4-hydrazinopiperidine and 2.0 g of ethyl 2-phenylacetoacetate were used in the procedure of Example 124, Step A, there was obtained 1.84 g of 1-benzyl-4-(5-methyl-4-phenyl-1H-pyrazol-3(2H)-on-2-yl)-piperidine. ESI-MS 348.2 (M+H); HPLC A: 1.95 min.
Quellen und Nachweise
- ORD-Eintrag
- ord-6b6f85e942f0422aa208a71f679d55cb
- Quelldatensatz
- uspto-grants-2001_06
- Patentnummer
- US06248755B1
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