Dimethylformamide diethylacetal → 3,4-dihydro-4,4-dimethyl-2-(dimethylaminomethylene)-1-(2H)-naphthalenone

HRID 1359002Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 1359002
[CH3:1][C:2]1([CH3:13])[C:11]2[C:6](=[CH:7][CH:8]=[CH:9][CH:10]=2)[C:5](=[O:12])[CH2:4][CH2:3]1.C(O[CH:17](OCC)[N:18]([CH3:20])[CH3:19])C>>[CH3:1][C:2]1([CH3:13])[C:11]2[C:6](=[CH:7][CH:8]=[CH:9][CH:10]=2)[C:5](=[O:12])[C:4](=[CH:17][N:18]([CH3:20])[CH3:19])[CH2:3]1

Komponenten

3

Edukt 2

HCID 70913Dimethylformamide diethylacetalHCID 2365474,4-Dimethyl-3,4-dihydro-2H-naphthalen-1-one

Produkt 1

HCID 544727913,4-dihydro-4,4-dimethyl-2-(dimethylaminomethylene)-1-(2H)-naphthalenone

Versuchsvorschrift

The 3,4-dihydro-4,4-dimethyl-2-(dimethylaminomethylene)-1-(2H)-naphthalenone starting material was prepared from 4,4-dimethyl-1-tetralone (3.48 g, 20 mmol) and N,N-dimethylformamide diethyl acetal (10.5 ml, 60 mmol) to give the desired compund as bright yellkow crystals (3.53 g). δH (CDCl3) 8.05 (1H, ddd, J 7.7, 1.5, 0.5 Hz), 7.78 (1H, s), 7.42 (1H, m), 7.33-7.25 (2H,m), 3.12 (6H, s), 2.80 (2H, s) and 1.33 (6H, s).

Quellen und Nachweise

ORD-Eintrag
ord-5de5d852fd364243a014fd4c56d847b0
Quelldatensatz
uspto-grants-2003_07
Patentnummer
US06599908B1

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