N-methyl-4-chlorophthalimide → 2-methyl-5-phenoxyisoindole-1,3-dione
Reaktionsgleichung
[O-:1][C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[Na+].Cl[C:10]1[CH:11]=[C:12]2[C:17](=[O:18])[N:16]([CH3:19])[C:14](=[O:15])[C:13]2=[CH:20][CH:21]=1>>[O:1]([C:10]1[CH:11]=[C:12]2[C:17](=[O:18])[N:16]([CH3:19])[C:14](=[O:15])[C:13]2=[CH:20][CH:21]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1Komponenten
3
Reaktionsbedingungen
- Temperatur
- 250 °C
Versuchsvorschrift
A mixture of 0.440 g (3.80 mmol) of anhydrous sodium phenoxide and 1.50 g (76.7 mmol) of 4-chloro-N-methyl phthalimide is heated to 250° C. for 4 hours under a nitrogen gas atmosphere in an autoclave. There was obtained a 45.6% yield of 4-phenoxy-N-methyl phthalimide based on the phenoxide as determined by gas or liquid chromatographic analysis using o-terphenyl as an internal standard. The product was identified by a comparison of its retention time with that of an authentic sample of the desired material in a conventional matter.
Quellen und Nachweise
- ORD-Eintrag
- ord-d1adda8ac9844fb7aaba02976914dc8c
- Quelldatensatz
- uspto-grants-1984_09
- Patentnummer
- US04471125
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