Reaktion #2378556

ord-5ba00109eda24c709c882fc4e7a1256e

Reaktionsgleichung

CCOC(=O)/C=C\C(=O)[O-]
monoethyl maleate
CCO
ethanol
CCO
ethanol
→
CCOC(=O)/C=C\C(=O)OCC
diethyl maleate

Edukte

CCOC(=O)/C=C\C(=O)[O-]
monoethyl maleate
CCO
ethanol
CCO
ethanol

Reagenzien

Keine

Reaktionsbedingungen

Detaillierte Bedingungen
See reaction.notes.procedure_details.

Aufarbeitung

  1. 1
    workup.DISTILLATIONThe bottom product from flash distillation column 417
  2. 2
    Sonstigeis taken in line 449 to a secondary esterification reactor
  3. 3
    SonstigeThis is provided with a stirrer 451
  4. 4
    Sonstigevapour is supplied to reactor
  5. 5
    Sonstigeoccurs in reactor

Vorschrift

The bottom product from flash distillation column 417 is taken in line 449 to a secondary esterification reactor 450. This is provided with a stirrer 451 and a sparger 452 which is connected to a line 453 through which ethanol vapour is supplied to reactor 450. Further reaction of monoethyl maleate and ethanol occurs in reactor 450, resulting in formation of additional diethyl maleate. A stream containing recycled ethanol is returned to reactor 450 in line 454.

Quelle

DOI: 10.6084/m9.figshare.5104873.v1Patent: US04795824uspto-grants-1989_01