Furfuryl Alcohol → N-(2-Furylmethoxy)phthalimide

HRID 372874

Reaktionsgleichung

Reaktionsgleichung von HRID 372874
[OH:1][N:2]1[C:6](=[O:7])[C:5]2=[CH:8][CH:9]=[CH:10][CH:11]=[C:4]2[C:3]1=[O:12].C(=O)([O-])[O-].[K+].[K+].Cl[CH2:20][C:21]1[O:22][CH:23]=[CH:24][CH:25]=1.C(O)C1OC=CC=1>O.CS(C)=O>[CH2:20]([O:1][N:2]1[C:3](=[O:12])[C:4]2=[CH:11][CH:10]=[CH:9][CH:8]=[C:5]2[C:6]1=[O:7])[C:21]1[O:22][CH:23]=[CH:24][CH:25]=1

Komponenten

7

Edukt 4

HCID 7361Furfuryl AlcoholHCID 10665N-HydroxyphthalimideHCID 11430Potassium CarbonateHCID 2195202-(Chloromethyl)furan

Produkt 1

HCID 19975015N-(2-Furylmethoxy)phthalimideAusbeute 70 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 679Dimethyl SulfoxideLösungsmittelHCID 962WaterLösungsmittel

Versuchsvorschrift

To a stirred mixture of N-hydroxyphthalimide (41 g.), anhydrous potassium carbonate (26.4 g.) and dry dimethyl sulphoxide (400 ml.) was added 2-chloromethylfuran (freshly prepared, but undistilled, from 46.2 furfuryl alcohol according to the method of W. R. Kirner JACS, 1928, 50, 1955). The mixture was stirred for 18 hr., then poured in water (1.5 l). The precipitated solid was filtered off, washed well with water, and recrystallised from ethanol to give N-furfuryloxyphthalimide (42.8 g., 70%), m.p. 145.3°-146.2° τ values (DMSO-d6) are 4.80 (CH2), 2.22, 3.30, 3.50 (furyl protons) 2.08 (phthalimide protons).

Aufarbeitung

  1. customfreshly prepared
  2. filtrationThe precipitated solid was filtered off
  3. washwashed well with water
  4. customrecrystallised from ethanol

Quellen und Nachweise

ORD-Eintrag
ord-fe75f0fc7ea34ef488a239b7b08b10ba
Quelldatensatz
uspto-grants-1978_05
Patentnummer
US04092477

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