Sulfuric Acid → 1H-Pyrrole-2,5-dione, 1-cyclohexyl-

HRID 1534144Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 1534144
[CH:1]1([NH:7][C:8](=[O:14])/[CH:9]=[CH:10]\[C:11]([OH:13])=O)[CH2:6][CH2:5][CH2:4][CH2:3][CH2:2]1.S(=O)(=O)(O)O>>[CH:1]1([N:7]2[C:8](=[O:14])[CH:9]=[CH:10][C:11]2=[O:13])[CH2:6][CH2:5][CH2:4][CH2:3][CH2:2]1

Komponenten

3

Edukt 2

HCID 1118Sulfuric AcidHCID 1551599(2Z)-4-(Cyclohexylamino)-4-oxo-2-butenoic acid

Produkt 1

HCID 742031H-Pyrrole-2,5-dione, 1-cyclohexyl-

Versuchsvorschrift

In accordance with the procedures of Comparative example 1, the reactions were conducted by using 0.05 mol of N-Cyclohexylmaleamic acid, 0.15 mol of alcohols and 0.025 mol of conc. sulfuric acid. The yields (mol%) of N-cyclohexylmaleimide based on N-cyclohexylmaleamic acid are listed in Table 2.

Quellen und Nachweise

ORD-Eintrag
ord-f183e2ebd2a642a283b2f06474716d9e
Quelldatensatz
uspto-grants-1992_02
Patentnummer
US05087705

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