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Title:
METHOD FOR PREPARING PHOSPHORUS-CONTAINING LIGAND
Document Type and Number:
WIPO Patent Application WO/2023/206791
Kind Code:
A1
Abstract:
A method for preparing a phosphorus-containing ligand. The method comprises: mixing a phosphorus-chlorine compound, polypyridine ionic liquid porous microspheres, and an organic solvent to obtain a first preparation; mixing a compound represented by formula (2) with an organic solvent to obtain a second preparation, in formula (2), Z being a polyvalent group of aliphatic hydrocarbon or aromatic hydrocarbon containing one or more substituents, wherein the substituent is selected from a hydrogen atom, a halogen atom, C1-C10 alkyl, C1-C10 alkoxy, C1-C10 alkanoyl, aryl, heteroaryl, cyano, or nitro, and n is an integer from 1 to 8; and mixing the first preparation with the second preparation for a reaction, removing HCl generated by the reaction, filtering, and carrying out post-processing on a filtrate to obtain the phosphorus-containing ligand.

Inventors:
ZHA ZENGSHI (CN)
CHEN ZHIRONG (CN)
WU WENBIN (CN)
ZHANG TINGLAN (CN)
YIN HONG (CN)
WANG KEYAN (CN)
ZHOU LITAO (CN)
LI HAORAN (CN)
HUANG GUODONG (CN)
XU YONG (CN)
Application Number:
PCT/CN2022/102172
Publication Date:
November 02, 2023
Filing Date:
June 29, 2022
Export Citation:
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Assignee:
ZHEJIANG NHU CO LTD (CN)
UNIV ZHEJIANG (CN)
ZHEJIANG NHU SPECIAL MAT CO LTD (CN)
ZHEJIANG NHU NYLON MAT CO LTD (CN)
International Classes:
B01J31/02; C07F9/141; B01J31/06; B01J35/08; C07F9/145; C07F9/572; C07F9/6506; C07F9/6584
Foreign References:
CN111533767A2020-08-14
CN114075245A2022-02-22
CN101250200A2008-08-27
CN102875599A2013-01-16
CN110961055A2020-04-07
CN101250200A2008-08-27
CN106220681A2016-12-14
CN102875599A2013-01-16
CN101331144A2008-12-24
CN100441584C2008-12-10
Other References:
See also references of EP 4289855A4
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (HANGZHOU) (CN)
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