MULTISTAGE RECIRCULATION TYPE PRODUCTION OF N, N, N', N'-TETRAACETYLETHYLENEDIAMINE

Title:

MULTISTAGE RECIRCULATION TYPE PRODUCTION OF N, N, N', N'-TETRAACETYLETHYLENEDIAMINE

Document Type and Number:

Japanese Patent JPS63170347

Kind Code:

A

Abstract:

N,N,N',N'-tetraacetylethylenediamine is made by reacting N,N'-diacetylethylenediamine with acetic anhydride and thereby forming a reaction mixture of N,N,N',N'-tetraacetylethylenediamine and acetic acid and anhydride, and distilling off acetic acid and working up the distillation residue to give substantially pure N,N,N',N'-tetraacetylethylenediamine.

Inventors:

SUTEFUAN JIYON HANAMU
JIYON SUCHIYUWAATO SEINAA
ANSONII DENISU WATORINGU

Application Number:

JP29308587A

Publication Date:

July 14, 1988

Filing Date:

November 19, 1987

Export Citation:

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Assignee:

WARWICK CHEM LTD

International Classes:

C07C67/00; C07C231/00; C07C231/02; C07C231/08; C07C233/90; C07C233/91; (IPC1-7): C07C102/04; C07C103/90

Domestic Patent References:

JPS54138512A	1979-10-27
JPS4738916A

Attorney, Agent or Firm:

Morio Sada

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