Title:
METHOD FOR HYDROLYTIC PREPARATION OF ACESULFAME, AND METHOD FOR PRODUCING ACESULFAME POTASSIUM
Document Type and Number:
WIPO Patent Application WO/2023/123356
Kind Code:
A1
Abstract:
The present application discloses a method for hydrolytic preparation of acesulfame, which comprises the following steps: step 1: mixing and reacting sulfamic acid and triethylamine to obtain sulfamic acid triethylamine salt; step 2: reacting the sulfamic acid triethylamine salt with diketene to obtain acetyl acesulfame triethylamine salt; step 3: reacting the acetyl acesulfame triethylamine salt with sulfur trioxide to obtain a first material; and step 4, reacting the first material with a hydrolysis agent to obtain a second material, wherein the hydrolysis agent is a sulfuric acid aqueous solution. A hydrolysis product of a method of the present application has a consistent quality, and the speed of hydrolysis is fast.
Inventors:
ZHOU RUI (CN)
CHEN YONGXU (CN)
WANG CONGCHUN (CN)
YANG FENGBAO (CN)
CHEN YONGXU (CN)
WANG CONGCHUN (CN)
YANG FENGBAO (CN)
Application Number:
PCT/CN2021/143685
Publication Date:
July 06, 2023
Filing Date:
December 31, 2021
Export Citation:
Assignee:
ANHUI JINHE IND CO LTD (CN)
International Classes:
C07D291/06
Other References:
JIANG, YU: "Synthesis study of sweetener acesulfame", SCIENCE AND TECHNOLOGY INNOVATION HERALD, no. 35, 31 December 2008 (2008-12-31), XP009547361
Attorney, Agent or Firm:
BEIJING LONGAN LAW FIRM (CN)
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