Piperonal → 2-(3,4-Methylenedioxyphenyl)vinyl 1-methylcyclopropyl ketone
Reaktionsgleichung
[CH3:1][C:2]([C:4]1([CH3:7])[CH2:6][CH2:5]1)=[O:3].[CH:8]1[C:13]([CH:14]=O)=[CH:12][C:11]2[O:16][CH2:17][O:18][C:10]=2[CH:9]=1>>[CH3:7][C:4]1([C:2]([CH:1]=[CH:14][C:13]2[CH:8]=[CH:9][C:10]3[O:18][CH2:17][O:16][C:11]=3[CH:12]=2)=[O:3])[CH2:6][CH2:5]1Komponenten
3
Versuchsvorschrift
2-(3,4-Methylenedioxyphenyl)vinyl 1-methylcyclopropyl ketone [III; Ar is 3,4-methylenedioxyphenyl, R is CH3 ] was prepared from 25.6 g. of 1-methylcyclopropyl methyl ketone and 39.3 g. of piperonal according to the procedure described above in Preparation A1, affording 29.5 g. of crystalline product.
Aufarbeitung
- customaffording 29.5 g
Quellen und Nachweise
- ORD-Eintrag
- ord-fcc3f1a280854dbb8ffe82b0b869d3e5
- Quelldatensatz
- uspto-grants-1980_10
- Patentnummer
- US04227015
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