Hydrochloric Acid → HCID 14297825, Verbindung

HRID 2352632Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 2352632
[CH3:1][O:2][C:3]1[C:4](=[O:17])[NH:5][C:6](=NC2C=CC=CC=2)[C:7]=1[O:8][CH3:9].Cl.[OH2:19]>>[CH3:1][O:2][C:3]1[C:4](=[O:17])[NH:5][C:6](=[O:19])[C:7]=1[O:8][CH3:9]

Komponenten

4

Edukt 3

HCID 313Hydrochloric AcidHCID 962WaterHCID 1361088795-Anilino-3,4-dimethoxy-2H-pyrrol-2-one

Produkt 1

HCID 14297825HCID 14297825, Verbindung

Versuchsvorschrift

500 g of 2,5-dihydro-3,4-dimethoxy-5-phenyliminopyrrol-2-one were stirred with 500 ml of concentrated hydrochloric acid in 2 l of water for 2 days at room temperature. Thereafter, the mixture was cooled and filtered under suction. 325 g of dimethoxymaleimide of melting point 126°-127° C. were obtained.

Aufarbeitung

  1. temperatureThereafter, the mixture was cooled
  2. filtrationfiltered under suction

Quellen und Nachweise

ORD-Eintrag
ord-580628126c8e44ad9a519f25d040b99c
Quelldatensatz
uspto-grants-1989_10
Patentnummer
US04877887

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