Title:
N,N-DIHYDROCARBONYL AMINO CARBOXYLIC ACID, PREPARATION METHOD THEREFOR, AND USE THEREOF
Document Type and Number:
WIPO Patent Application WO/2023/272497
Kind Code:
A1
Abstract:
The present application provides N,N-dihydrocarbonyl amino carboxylic acid, a preparation method therefor, and the use thereof. The N,N-dihydrocarbonyl amino carboxylic acid can act as an extracting agent for enriching rare-earth elements from a low-concentration rare-earth raw material, separating and purifying yttrium from a mixed rare-earth raw material, and separating elements such as aluminum, iron, radioactive thorium, radioactive uranium and actinide from a mixed rare-earth raw material. The compound is simple to synthesize, low cost and has good chemical stability as an extracting agent, and can resist strong acids and strong alkalis without being decomposed.
Inventors:
WANG YANLIANG (CN)
XIAO WENTAO (CN)
WU YUYUAN (CN)
LIN JINCHI (CN)
XIAO WENTAO (CN)
WU YUYUAN (CN)
LIN JINCHI (CN)
Application Number:
PCT/CN2021/103175
Publication Date:
January 05, 2023
Filing Date:
June 29, 2021
Export Citation:
Assignee:
FUJIAN CHANGTING GOLDEN DRAGON RARE EARTH CO LTD (CN)
International Classes:
C07C227/04; C07C229/12; C07C229/30; C07C231/02; C07C233/09; C22B3/32; C22B59/00
Foreign References:
| US10189803B2 | 2019-01-29 | |||
| CN109942446A | 2019-06-28 | |||
| JPH09118662A | 1997-05-06 | |||
| CN111302963A | 2020-06-19 | |||
| CN112574028A | 2021-03-30 | |||
| CN103068793A | 2013-04-24 | |||
| CN112575188A | 2021-03-30 | |||
| CN102337404A | 2012-02-01 |
Other References:
LIU SHI, GELLMAN SAMUEL H.: "Preparation of β 2 -Homologous Amino Acids Bearing Polar Side Chains via a Collective Synthesis Strategy", THE JOURNAL OF ORGANIC CHEMISTRY, vol. 85, no. 3, 7 February 2020 (2020-02-07), pages 1718 - 1724, XP093019302, ISSN: 0022-3263, DOI: 10.1021/acs.joc.9b02562
ASSAD SALOMÓN; SABALA ROCÍO; JIMÉNEZ JACQUELINE; SANSINENEA ESTIBALIZ; ORTIZ AURELIO: "Diastereoselective conjugate addition of organocuprates toN-[4-(Dibenzylaminobutenoyl)]oxazolidinone. Synthesis of chiral β-substituted γ-aminoacids", TETRAHEDRON LETTERS, vol. 60, no. 25, 20 June 2019 (2019-06-20), Amsterdam , NL , pages 1646 - 1648, XP085707514, ISSN: 0040-4039, DOI: 10.1016/j.tetlet.2019.05.035
ASSAD SALOMÓN; SABALA ROCÍO; JIMÉNEZ JACQUELINE; SANSINENEA ESTIBALIZ; ORTIZ AURELIO: "Diastereoselective conjugate addition of organocuprates toN-[4-(Dibenzylaminobutenoyl)]oxazolidinone. Synthesis of chiral β-substituted γ-aminoacids", TETRAHEDRON LETTERS, vol. 60, no. 25, 20 June 2019 (2019-06-20), Amsterdam , NL , pages 1646 - 1648, XP085707514, ISSN: 0040-4039, DOI: 10.1016/j.tetlet.2019.05.035
ALBERT ZILKHA, URI GOLIK: "Syntheses of Amide Derivatives of DL-.beta: carboxy-.gamma.-aminobutyric acid", THE JOURNAL OF ORGANIC CHEMISTRY, vol. 28, no. 8, 1 August 1963 (1963-08-01), pages 2007 - 2209, XP008156170, ISSN: 0022-3263
BELL, KEVIN H.: "A one-pot conversion of cyclic anhydrides to ethyl .omega.-(dialkylamino)alkanoates", SYNTHETIC COMMUNICATIONS, vol. 17, no. 16, 1 January 1987 (1987-01-01), US , pages 1965 - 1970, XP009104475, ISSN: 0039-7911, DOI: 10.1080/00397918708057809
CHEN AO, ZHANG JIAN-JUN: "Synthesis of Pregabalin", CHINESE JOURNAL OF PHARMACEUTICALS, vol. 35, no. 4, 20 April 2004 (2004-04-20), pages 195 - 196, XP008099317, ISSN: 1001-8255
See also references of EP 4137478A4
ASSAD SALOMÓN; SABALA ROCÍO; JIMÉNEZ JACQUELINE; SANSINENEA ESTIBALIZ; ORTIZ AURELIO: "Diastereoselective conjugate addition of organocuprates toN-[4-(Dibenzylaminobutenoyl)]oxazolidinone. Synthesis of chiral β-substituted γ-aminoacids", TETRAHEDRON LETTERS, vol. 60, no. 25, 20 June 2019 (2019-06-20), Amsterdam , NL , pages 1646 - 1648, XP085707514, ISSN: 0040-4039, DOI: 10.1016/j.tetlet.2019.05.035
ASSAD SALOMÓN; SABALA ROCÍO; JIMÉNEZ JACQUELINE; SANSINENEA ESTIBALIZ; ORTIZ AURELIO: "Diastereoselective conjugate addition of organocuprates toN-[4-(Dibenzylaminobutenoyl)]oxazolidinone. Synthesis of chiral β-substituted γ-aminoacids", TETRAHEDRON LETTERS, vol. 60, no. 25, 20 June 2019 (2019-06-20), Amsterdam , NL , pages 1646 - 1648, XP085707514, ISSN: 0040-4039, DOI: 10.1016/j.tetlet.2019.05.035
ALBERT ZILKHA, URI GOLIK: "Syntheses of Amide Derivatives of DL-.beta: carboxy-.gamma.-aminobutyric acid", THE JOURNAL OF ORGANIC CHEMISTRY, vol. 28, no. 8, 1 August 1963 (1963-08-01), pages 2007 - 2209, XP008156170, ISSN: 0022-3263
BELL, KEVIN H.: "A one-pot conversion of cyclic anhydrides to ethyl .omega.-(dialkylamino)alkanoates", SYNTHETIC COMMUNICATIONS, vol. 17, no. 16, 1 January 1987 (1987-01-01), US , pages 1965 - 1970, XP009104475, ISSN: 0039-7911, DOI: 10.1080/00397918708057809
CHEN AO, ZHANG JIAN-JUN: "Synthesis of Pregabalin", CHINESE JOURNAL OF PHARMACEUTICALS, vol. 35, no. 4, 20 April 2004 (2004-04-20), pages 195 - 196, XP008099317, ISSN: 1001-8255
See also references of EP 4137478A4
Attorney, Agent or Firm:
BEYOND ATTORNEYS AT LAW (CN)
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