Title:
MANUFACTURE OF SUGAR ACETATE
Document Type and Number:
Japanese Patent JPS58185600
Kind Code:
A
Abstract:
A cost-effective process suitable for the commercial production of the sugar acetate, glucose penta-acetate and xylose tetra-acetate is disclosed. The process comprises a first reaction stage wherein glucose or xylose is partially acetylated with acetic acid to form glucose diacetate or xylose diacetate, followed by a second reaction stage wherein said diacetate product is fully acetylated by treatment with excess acetic anhydride to form glucose penta-acetate or xylose tetra-acetate, respectively. Any excess of acetic anhydride/acetic acid and by-product acetic acid can be recycled for use in the process.
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Inventors:
ANDORIYUU CHIYAARUZU KOTSUKUSO
Application Number:
JP5772783A
Publication Date:
October 29, 1983
Filing Date:
April 01, 1983
Export Citation:
Assignee:
UNILEVER NV
International Classes:
C07H13/06; C07B61/00; C07H13/04; (IPC1-7): C07C179/00; C07H13/06
Domestic Patent References:
| JPS49133314A | 1974-12-21 | |||
| JPS472219A |
Attorney, Agent or Firm:
Yoshio Kawaguchi (2 outside)