Piperonal → 7-Methyl-1-(3,4-methylenedioxyphenyl)octa-1,6-dien-3-one

HRID 1706868

Reaktionsgleichung

Reaktionsgleichung von HRID 1706868
[CH:1]1[C:6]([CH:7]=O)=[CH:5][C:4]2[O:9][CH2:10][O:11][C:3]=2[CH:2]=1.[CH3:12][C:13]([CH3:20])=[CH:14][CH2:15][CH2:16][C:17](=[O:19])[CH3:18]>[OH-].[Na+]>[CH2:10]1[O:11][C:3]2[CH:2]=[CH:1][C:6]([CH:7]=[CH:18][C:17](=[O:19])[CH2:16][CH2:15][CH:14]=[C:13]([CH3:20])[CH3:12])=[CH:5][C:4]=2[O:9]1

Komponenten

4

Edukt 2

HCID 8438PiperonalHCID 98626-Methyl-5-hepten-2-one

Produkt 1

HCID 419817-Methyl-1-(3,4-methylenedioxyphenyl)octa-1,6-dien-3-one

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 14798Sodium HydroxideLösungsmittel

Versuchsvorschrift

15 g of piperonal (0.1 mole) and 12.6 g of 6-methyl-5-heptene-2-one (0.1 mole) in an aqueous-alcoholic solution of sodium hydroxide (200 cm3 of 10% NaOH+20 cm3 of ethanol) are stirred for 15 days at ambient temperature. The product obtained is filtered off, washed with water, and recrystallised from ethanol.

Aufarbeitung

  1. customThe product obtained
  2. filtrationis filtered off
  3. washwashed with water
  4. customrecrystallised from ethanol

Quellen und Nachweise

ORD-Eintrag
ord-3017d784726a437c9e8a29d53eee8c17
Quelldatensatz
uspto-grants-1980_06
Patentnummer
US04209517

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