1,4-Dimethoxyanthraquinone → 1,4-Dimethoxy-5,8,9,10-anthradiquinone

HRID 2397266

Reaktionsgleichung

Reaktionsgleichung von HRID 2397266
COC1C2C(=O)C3C(=CC=CC=3)C(=O)C=2C(OC)=CC=1.[CH3:21][O:22][C:23]1[C:36]2[C:35](=[O:37])[C:34]3[C:29](=[C:30]([O:40]C)[CH:31]=[CH:32][C:33]=3[O:38]C)[C:28](=[O:42])[C:27]=2[C:26]([O:43][CH3:44])=[CH:25][CH:24]=1>>[CH3:44][O:43][C:26]1[C:27]2[C:28](=[O:42])[C:29]3[C:30](=[O:40])[CH:31]=[CH:32][C:33](=[O:38])[C:34]=3[C:35](=[O:37])[C:36]=2[C:23]([O:22][CH3:21])=[CH:24][CH:25]=1

Komponenten

3

Edukt 2

HCID 2660541,4-DimethoxyanthraquinoneHCID 135996871,4,5,8-Tetramethoxyanthracene-9,10-dione

Produkt 1

HCID 706361171,4-Dimethoxy-5,8,9,10-anthradiquinone

Versuchsvorschrift

In accordance with the above procedure, but where in place of 1,4-dimethoxyanthraquinone there is utilized 1,4,5,8-tetramethoxyanthraquinone, there is obtained the corresponding 1,4-dimethoxy-5,8,9,10-anthradiquinone as a purple solid, m.p. 277-278; NMR: δ 3.96 (s, 6H), 6.89 (s, 2H), 7.37 (s, 2H); IR: 5.93, 6.10, 6.41 microns.

Quellen und Nachweise

ORD-Eintrag
ord-8204805a509e4f14b2b16af8c15a837e
Quelldatensatz
uspto-grants-1977_05
Patentnummer
US04021457

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