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1. 发明申请

WO2021031431A1 PROCESS FOR PREPARING FLUOROBENZENE BY DIRECT FLUORINATION 审中-公开
公开(公告)号：WO2021031431A1
公开(公告)日：2021-02-25
申请号：PCT/CN2019/120698
申请日：2019-11-25
申请人： FUJIAN YONGJING TECHNOLOGY CO., LTD
发明人： CUI, Weilong , ZHOU, Changyue , DU, Hongjun , WU, Wenting
IPC分类号： C07C205/12 , C07C201/12 , C07C37/62
摘要： Disclosure relates to a use of a fluorination gas, wherein the elemental fluorine is present in a high concentration, for example, in a concentration of elemental fluorine, especially of equal to much higher than 15 % or even 20% by volume, and to a process for the manufacture of a fluorinated benzene by direct fluorination employing a fluorination gas, wherein the elemental fluorine is present in a high concentration.

2. 发明申请

WO2020164291A1 NEW PROCESS FOR MANUFACTURE OF FLUORINATED BENZENES AND FLUORINATED BENZOPHENONES, AND DERIVATIVES THEREOF 审中-公开
公开(公告)号：WO2020164291A1
公开(公告)日：2020-08-20
申请号：PCT/CN2019/120702
申请日：2019-11-25
申请人： FUJIAN YONGJING TECHNOLOGY CO., LTD
发明人： CUI, Weilong , ZHOU, Changyue , DU, Hongjun , WU, Wenting
IPC分类号： C07C45/68 , B01J27/12
摘要： A process for the manufacture of fluorinated benzophenones and derivatives thereof by Friedel-Crafts reaction, characterized in that an aromatic ring of the starting material compound that serves as a precursor of PAEK, is reacted with a Friedel-Crafts reagent in the presence of antimony pentahalide.

3. 发明申请

WO2020098292A1 METHOD FOR MANUFACTURE OF 1,1,1-TRIFLUORO-2-CHLOROETHANE (HCFC 133A) AND/OR TRFLUOROETHYLAMINE (TFEA) 审中-公开
公开(公告)号：WO2020098292A1
公开(公告)日：2020-05-22
申请号：PCT/CN2019/094377
申请日：2019-07-02
申请人： FUJIAN YONGJING TECHNOLOGY CO., LTD
发明人： CUI, Weilong , DU, Hongjun , WU, Wenting
IPC分类号： C07C31/38
摘要： A method for manufacture of 1, 1, 1-trifluoro-2-chloroethane (HCFC-133a) and/or trifluoroethylamine (TFEA), wherein at least one reaction step takes place in a microreactor that is comprising or is made of SiC-microreactor, the processes can be efficiently combined in that HCFC-133a produced by using a microreactor, may preferably advantageously serve as starting material and/or intermediate material in the manufacture of TFEA. The HCFC-133a and/or the TFEA can be easily, by a method with only low energy consumption, purified and/or isolated, and preferably the process for purifying and/or isolating does not require a distillation. Advantageously, the separation from excess hydrogen fluoride (HF) and catalyst can easily take place in an energy-saving manner by phase separation.

4. 发明申请

WO2020093715A1 NEW PROCESS FOR MANUFACTURE OF PYRAZOLES OR PYRIMIDONES 审中-公开
公开(公告)号：WO2020093715A1
公开(公告)日：2020-05-14
申请号：PCT/CN2019/094375
申请日：2019-07-02
申请人： FUJIAN YONGJING TECHNOLOGY CO., LTD
发明人： CUI, Weilong , DU, Hongjun , WU, Wenting
IPC分类号： C07D231/12 , C07D403/04
摘要： In one aspect relates to the use of an amine compound in a process for the manufacture of a fluorinated or non-fluorinated 5-or 6-membered heterocyclic compound containing two nitrogen atoms in the ring system of the said compound, preferably of pyrazoles or pyrimidones.Also relates to a process for the manufacture of pyrazoles or pyrimidones, which may be fluorinated or may not be fluorinated. Especially, relates to process for the manufacture of fluorinatedpyrazoles or pyrimidoes and in particular relates to process for the manufacture of such fluorinatedpyrazolesor pyrimidones, which each are very important building blocks for pharmaceutical and agro-applications. For example, the fungicides are Bixafen, Fluxapyroxad, Fluindapyr, Sedaxane, Isopyrazam and Benzovindifupyr strongly depend on such fluorinatedpyrazoles as key building blocks, or for Florasulam and Clorasulam-methyl, respectively.

5. 发明申请

WO2022233129A1 NEW PROCESS FOR THE SYNTHESIS OF 5-FLUORO-3- (DIFUOROMETHYL) -5-FLUORO-1-METHYL-1H-PYRAZOLE-4-CARBOXYLIC ACID DERIVATIVES AND THE FREE ACID THEREOF 审中-公开
公开(公告)号：WO2022233129A1
公开(公告)日：2022-11-10
申请号：PCT/CN2021/134408
申请日：2021-11-30
申请人： FUJIAN YONGJING TECHNOLOGY CO., LTD
发明人： CUI, Weilong , LUO, Weifen , WU, Wenting
IPC分类号： C07D231/16 , C07B39/00
摘要： Provided is a new process for the synthesis of 5-fluoro-3- (difluoromethyl) -5-fluoro-1-methyl-1Hpyrazole-4-carboxylic acid derivatives and the free acid thereof, involving a direct fluorination reaction with a fluorination gas comprising or consisting of elemental fluorine (F2), in a reactor which is resistant to elemental fluorine (F2) and hydrogen fluoride (HF), and wherein in the process as a starting material a difluoromethylpyrazole compound dissolved in an inert solvent is subjected to the direct fluorination reaction. Some particular examples of 5-fluoro-3- (difluoromethyl)-5-fluoro-1-methyl-1H-pyrazole-4-carboxylic acid derivatives which can be prepared according to the process of the invention are 3-(difluoromethyl) -5-fluoro-1-methyl-1H-pyrazole-4-carboxylic acid fluoride (5FDFMPAF), also known under the alternative name 3- (difluoromethyl) -5-fluoro -1-methyl-1H-pyrazole-4-carbonyl fluoride; 3- (difluoromethyl)-5-fluoro-1-methyl- 1H-pyrazole-4-carboxylic acid ethylester (5FDFMP); and 3- (chlorodifluoromethyl) -5-fluoro-1-methyl-1H-pyrazole-4-carboxylic acid ethylester (5FCDFMP), or the corresponding methyl esters. The 5-fluoro-3- (difluoromethyl) -5-fluoro-1-methyl -1H-pyrazole-4-carboxylic acid can be obtained from its carboxylic acid derivatives such as, e.g., mentioned before in that the acid derivative is converted to the corresponding carboxylic acid.

6. 发明申请

WO2022111033A1 INDUSTRIAL PROCESS FOR MANUFACTURING OF PERFLUORO(METHYL VINYL ETHER) (PFMVE) AND OF 1,1,2,2-TETRAFLUORO-1-(TRIFLUOROMETHOXY)ETHANE (TFTFME) 审中-公开
公开(公告)号：WO2022111033A1
公开(公告)日：2022-06-02
申请号：PCT/CN2021/120887
申请日：2021-09-27
申请人： FUJIAN YONGJING TECHNOLOGY CO., LTD
发明人： CUI, Weilong , LUO, Weifen , QIU, Lvzhou
IPC分类号： C07C41/24 , C07C41/22 , C07C43/15 , C07C43/12
摘要： Disclosed is an industrial process for manufacturing of perfluoro(methyl vinyl ether) (PFMVE), and of 1,1,2,2-tetrafluoro-1-(trifluoromethoxy) ethane (TFTFME) (E 227), involving reactions in liquid phase and performing reactions, for example, in a (closed) column reactor or in a microreactor, respectively. Also disclosed is an industrial process for manufacturing of perfluoro(methyl vinyl ether) (PFMVE) by HF-elimination from the compound 1,1,2,2-tetrafluoro-1-(trifluoromethoxy) ethane (TFTFME) (E 227). Also disclosed is an industrial process for manufacturing of the compound 1,1,2,2-tetrafluoro-1-(trifluoromethoxy) ethane (TFTFME) (E 227) by selective fluorination of the compound HFE-254 (1,1,2,2-tetrafluoro-1-(methoxy) ethane), i.e., perfluorination of only the CH 3O-group (i.e., methoxy-group) of the compound HFE-254 is selectively fluorinated to a CF 3O-group (i.e., trifluorometh-oxy-group).

7. 发明申请

WO2021031432A1 PROCESS OF FLUORINATING INORGANIC OR ORGANIC COMPOUNDS BY DIRECT FLUORINATION 审中-公开
公开(公告)号：WO2021031432A1
公开(公告)日：2021-02-25
申请号：PCT/CN2019/120699
申请日：2019-11-25
申请人： FUJIAN YONGJING TECHNOLOGY CO., LTD
发明人： CUI, Weilong , ZHOU, Changyue , DU, Hongjun , WU, Wenting
IPC分类号： C01B9/08 , C01B17/45 , C01B21/083 , C07C69/96 , C07C68/06
摘要： Presented is a use of a fluorination gas, wherein the elemental fluorine (F 2) is present in a high concentration, for example, in a concentration of elemental fluorine (F 2), especially of equal to much higher than 15 or even 20% by volume (i.e., at least 15 % or even 20 % by volume), and to a process for the manufacture of a fluorinated compound by direct fluorination employing a fluorination gas, wherein the elemental fluorine (F 2) is present in a high concentration. The process is directed to the manufacture of a fluorinated compound, for the exception of fluorinated benzene, by direct fluorination. Especially presented is of interest in the preparation of fluorinated organic compounds, final products and as well intermediates, for usage in agro-, pharma-, electronics-, catalyst, solvent and other functional chemical applications. The fluorination process may be performed batch-wise or in a continuous manner. If the said process is performed batch-wise, a column (tower) reactor may be used. If the process is continuous, a microreactor may be used.

8. 发明申请

WO2021031430A1 NEW PROCESS FOR THE SYNTHESIS OF FLUORINATED CONDUCTIVE SALTS FOR LITHIUM ION BATTERIES 审中-公开
公开(公告)号：WO2021031430A1
公开(公告)日：2021-02-25
申请号：PCT/CN2019/120696
申请日：2019-11-25
申请人： FUJIAN YONGJING TECHNOLOGY CO., LTD
发明人： CUI, Weilong , ZHOU, Changyue , DU, Hongjun , WU, Wenting
IPC分类号： C01B21/086
摘要： A new process for the synthesis of fluorinated conductive salts for lithium ion batteries (Li-ion batteries) is provided. The said fluorinated conductive lithium ion (Li -ion) battery salts of interest in the frame-work of the present inventions synthesis process, for example, are Li-ion salts such as LiFSI (lithium bis-(fluoromethanesulfonlyl) imide), LiTFSI (lithium bis-(trifluormethanesulfonlyl) imide), and LiTFSFI (lithium trifluoromethanesulfonylfluorosulfonyl imide), with the formulas as displayed in the Table I herein below. LiFSI, LiTFSI and LiFSTFSI are the most promising conducting salts for Lithium ion batteries and essential for future electromobility.

9. 发明申请

WO2022160762A1 NEW INDUSTRIAL PROCESS FOR MANUFACTURING OF PERFLUOROPENTANE (PFP) 审中-公开
公开(公告)号：WO2022160762A1
公开(公告)日：2022-08-04
申请号：PCT/CN2021/121516
申请日：2021-09-29
申请人： FUJIAN YONGJING TECHNOLOGY CO., LTD
发明人： CUI, Weilong , LUO, Weifen , DING, Rongwen
IPC分类号： C07C17/18 , C07C19/08 , C07D307/33
摘要： Provided are a new industrial process for manufacturing of perfluoropentane (PFP) and the manufacture of a novel intermediate compound thereof, as well as a novel intermediate compound itself and the use thereof in the process for manufacturing of perfluoropentane (PFP). Accordingly, provided are a process for the manufacture of the compound PFP (perfluoropentane), and/or of the compound perfluorinated 4-methylbutyrolactone, i.e., the precursor or intermediate compound of PFP (perfluoropentane), characterized in that the process comprises direct fluorination reaction with F 2gas as the fluorination agent, and/or from the fluorination reaction with SF 4 as the fluorination agent. Herein provides an efficient and simplified new industrial process for manufacturing of perfluoropentane (PFP) and/or of the compound perfluorinated 4-methylbutyrolactone, and preferably enabling large-scale and/or industrial production of perfluoropentane (PFP) and/or of the compound perfluorinated 4-methylbutyrolactone by means of special equipment and special reactor design. The process, for example, is carried out in an autoclave, in a (closed) column reactor, a counter-current reactor system, in particular in a loop reactor system, or in a counter-current (loop) system ("inverse gas scrubber system"), in a tube reactor system, a continuous flow reactor system, in a coil reactor system or in a microreactor system, preferably in a counter-current reactor system or in a microreactor.

10. 发明申请

WO2021093029A1 NEW PROCESS FOR SYNTHESIS OF 2,3,3,3-TETRAFLUOROPROPENE (1234YF) AND 2,3-DICHLORO-1,1,1-TRIFLUOROPROPANE (243DB) 审中-公开
公开(公告)号：WO2021093029A1
公开(公告)日：2021-05-20
申请号：PCT/CN2019/121443
申请日：2019-11-28
申请人： FUJIAN YONGJING TECHNOLOGY CO., LTD
发明人： CUI, Weilong , ZHOU, Changyue , WANG, Yong
IPC分类号： C07C17/25 , C07C21/18 , C07C17/07 , C07C19/10
摘要： A novel process of manufacturing the compound 2,3,3,3-tetrafluoropropene (1234yf) is provided. The compound 1234yf is the newest refrigerant with zero OPD (Ozone Depleting Potential) and zero GWP (Global Warming Potential). Thus, a process involving a carbene genereation route, for the manufacture of the compound 2,3,3,3-tetrafluoropropene (1234yf), of the compound 243db (2,3-dichloro-1,1,1-trifluoropropane), and optionally of the compound 2-chloro-1,1,1-trifluoropropene (1233xf) via carbene route and compound 243db (2,3-dichloro-1,1,1-trifluoropropane) is provided. A process for the manufacture of the compound 2,3,3,3-tetrafluoropropene (1234yf), wherein the compound 243db (2,3-dichloro-1,1,1-trifluoropropane) serves as a starting material, for the manufacture of the compound 2,3,3,3-tetrafluoropropene (1234yf) is shown. Further, a process for the manufacture of the compound 2,3,3,3-tetrafluoropropene (1234yf), and of the compound 243db (2,3-dichloro-1,1,1-trifluoropropane), wherein the initial starting materials are selected from the group consisting of compound 123 (2,2-dichloro-1,1,1-trifluoroethane), compound 124 (2-chloro-1,1,1,2-tetrafluoroethane), and compound 125 (pentafluoroethane) is provided. The compound 123 (2, 2-dichloro-1,1,1-trifluoroethane) is preferred as the initial starting material. In particular, the process involves a carbene generation step, and wherein the carbene formed is further reacted towards the targeted compounds, especially towards the compound 243db (2,3-dichloro-1,1,1-trifluoropropane), and finally towards the compound 2,3,3,3-tetrafluoropropene (1234yf).

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