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Title:
CYCLIC 1,3-DIKETODIIMINE COMPOUND HAVING SYMMETRICAL STRUCTURE, SYNTHESIS METHOD AND USE THEREOF
Document Type and Number:
WIPO Patent Application WO/2023/124970
Kind Code:
A1
Abstract:
Disclosed are a cyclic 1,3-diketodiimine compound with a symmetrical structure, a synthesis method and use thereof. The compound has a structure represented by the following general formula (III), (II), or (III): wherein R1-R5 are each independently selected from the group consisting of H, halogen, and saturated C1-C10 alkyl, and n = 0, 1, or 2. The cyclic 1,3-diketodiimine compound with a symmetrical structure can be applied to solvent dehydration and dealcoholization, and possesses a practicable and simple synthesis method.

Inventors:
LEI JUNYU (CN)
ZHANG WEI (CN)
GAO YULI (CN)
YI JIANJUN (CN)
HONG LIUTING (CN)
HAO HAIJUN (CN)
ZHANG MINGGE (CN)
LI RONGBO (CN)
Application Number:
PCT/CN2022/138661
Publication Date:
July 06, 2023
Filing Date:
December 13, 2022
Export Citation:
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Assignee:
PETROCHINA CO LTD (CN)
International Classes:
C07B63/02; C07C249/02; C07C249/00; C07C251/20
Foreign References:
ES2550374A12015-11-06
AU609125B21991-04-26
CN104470906A2015-03-25
US3622621A1971-11-23
US2837568A1958-06-03
DE870847C1953-03-16
CN111116790A2020-05-08
JP2016045391A2016-04-04
US2827467A1958-03-18
CN106928251A2017-07-07
Other References:
SAEED BAHJAT, MUSAD IBRAHIM: "Synthesis of Symmetrical and Non-symmetrical Diimines from Dimedone", MOLECULES, vol. 14, no. 6, pages 2278 - 2285, XP093074768, DOI: 10.3390/molecules14062278
MOSKOWITZ HENRI, ETIENNE ROUGEOT, MARCEL MIOCQUE: "Carbocyclization of acetylenic amidines", COMPTES RENDUS DES SEANCES DE L'ACADEMIE DES SCIENCES, SERIE C: SCIENCES CHIMIQUES, vol. 291, no. 13, 15 December 1980 (1980-12-15), pages 299 - 302, XP093074927
JEONG MI KIM, NA JEONG EUN, LEE CHANG GON, KIM JAE NYOUNG: "Facile Synthesis of Cyclic Vinamidinium p-Toluenesulfonates.", BULLETIN OF THE KOREAN CHEMICAL SOCIETY, vol. 25, no. 2, 10 August 2004 (2004-08-10), pages 163 - 164, XP055174740, ISSN: 09317597, DOI: 10.1002/chin.200432096
Attorney, Agent or Firm:
BEIJING SANYOU INTELLECTUAL PROPERTY AGENCY LTD. (CN)
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