DE2932179A1 - Perfluorallylfluorsulfat, verfahren zu seiner herstellung und seine verwendung - Google Patents
Perfluorallylfluorsulfat, verfahren zu seiner herstellung und seine verwendungInfo
- Publication number
- DE2932179A1 DE2932179A1 DE19792932179 DE2932179A DE2932179A1 DE 2932179 A1 DE2932179 A1 DE 2932179A1 DE 19792932179 DE19792932179 DE 19792932179 DE 2932179 A DE2932179 A DE 2932179A DE 2932179 A1 DE2932179 A1 DE 2932179A1
- Authority
- DE
- Germany
- Prior art keywords
- doublet
- fluorosulfate
- ppm
- sulfur trioxide
- perfluoroallyl fluorosulfate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims description 8
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 claims description 40
- LIZZWVXXYAALGG-UHFFFAOYSA-N 1,1,2,3,3-pentafluoro-3-fluorosulfonyloxyprop-1-ene Chemical compound FC(F)=C(F)C(F)(F)OS(F)(=O)=O LIZZWVXXYAALGG-UHFFFAOYSA-N 0.000 claims description 31
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical compound FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 14
- XUCNUKMRBVNAPB-UHFFFAOYSA-N fluoroethene Chemical class FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 claims description 8
- 150000001639 boron compounds Chemical class 0.000 claims description 6
- WTEOIRVLGSZEPR-UHFFFAOYSA-N boron trifluoride Chemical compound FB(F)F WTEOIRVLGSZEPR-UHFFFAOYSA-N 0.000 claims description 6
- 229920001577 copolymer Polymers 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 5
- WRECIMRULFAWHA-UHFFFAOYSA-N trimethyl borate Chemical compound COB(OC)OC WRECIMRULFAWHA-UHFFFAOYSA-N 0.000 claims description 4
- 229910015900 BF3 Inorganic materials 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 229910052810 boron oxide Inorganic materials 0.000 claims description 2
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 claims description 2
- 239000011541 reaction mixture Substances 0.000 claims description 2
- 229920001519 homopolymer Polymers 0.000 claims 1
- 239000003054 catalyst Substances 0.000 description 17
- 239000000203 mixture Substances 0.000 description 15
- 239000000047 product Substances 0.000 description 14
- 238000004458 analytical method Methods 0.000 description 12
- -1 2-hydroxy-1-trifluoromethyl-1,2,2-trifluoroethanesulfonic acid sultone Chemical class 0.000 description 11
- 150000008053 sultones Chemical class 0.000 description 9
- 238000009835 boiling Methods 0.000 description 7
- 239000007788 liquid Substances 0.000 description 7
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 6
- UQSQSQZYBQSBJZ-UHFFFAOYSA-M fluorosulfonate Chemical compound [O-]S(F)(=O)=O UQSQSQZYBQSBJZ-UHFFFAOYSA-M 0.000 description 6
- 239000011521 glass Substances 0.000 description 6
- 229920000642 polymer Polymers 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000000372 flame atomic fluorescence spectroscopy Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 230000002378 acidificating effect Effects 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 238000007334 copolymerization reaction Methods 0.000 description 4
- 238000004817 gas chromatography Methods 0.000 description 4
- 239000003456 ion exchange resin Substances 0.000 description 4
- 229920003303 ion-exchange polymer Polymers 0.000 description 4
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 4
- QARLOMBMXGVKNV-UHFFFAOYSA-N 1,2,2-trifluoroethenesulfonyl fluoride Chemical compound FC(F)=C(F)S(F)(=O)=O QARLOMBMXGVKNV-UHFFFAOYSA-N 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- 229910000856 hastalloy Inorganic materials 0.000 description 3
- 239000003112 inhibitor Substances 0.000 description 3
- NIQCNGHVCWTJSM-UHFFFAOYSA-N Dimethyl phthalate Chemical compound COC(=O)C1=CC=CC=C1C(=O)OC NIQCNGHVCWTJSM-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- VPCDQGACGWYTMC-UHFFFAOYSA-N nitrosyl chloride Chemical compound ClN=O VPCDQGACGWYTMC-UHFFFAOYSA-N 0.000 description 2
- 235000019392 nitrosyl chloride Nutrition 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- AJDIZQLSFPQPEY-UHFFFAOYSA-N 1,1,2-Trichlorotrifluoroethane Chemical compound FC(F)(Cl)C(F)(Cl)Cl AJDIZQLSFPQPEY-UHFFFAOYSA-N 0.000 description 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- 102100033070 Histone acetyltransferase KAT6B Human genes 0.000 description 1
- 101100019690 Homo sapiens KAT6B gene Proteins 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- LTROKCHOAFSNBG-UHFFFAOYSA-N [B].ClOOOCl Chemical compound [B].ClOOOCl LTROKCHOAFSNBG-UHFFFAOYSA-N 0.000 description 1
- OOQNXUPSKIQMSX-UHFFFAOYSA-N [B].FOOOF Chemical compound [B].FOOOF OOQNXUPSKIQMSX-UHFFFAOYSA-N 0.000 description 1
- 238000000862 absorption spectrum Methods 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 150000001642 boronic acid derivatives Chemical class 0.000 description 1
- 235000011089 carbon dioxide Nutrition 0.000 description 1
- 125000002843 carboxylic acid group Chemical group 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000013256 coordination polymer Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- FBSAITBEAPNWJG-UHFFFAOYSA-N dimethyl phthalate Natural products CC(=O)OC1=CC=CC=C1OC(C)=O FBSAITBEAPNWJG-UHFFFAOYSA-N 0.000 description 1
- 229960001826 dimethylphthalate Drugs 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- BYPHZHGVWNKAFC-UHFFFAOYSA-N ethenesulfonyl fluoride Chemical class FS(=O)(=O)C=C BYPHZHGVWNKAFC-UHFFFAOYSA-N 0.000 description 1
- UQSQSQZYBQSBJZ-UHFFFAOYSA-N fluorosulfonic acid Chemical compound OS(F)(=O)=O UQSQSQZYBQSBJZ-UHFFFAOYSA-N 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 230000008570 general process Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000003701 inert diluent Substances 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- 239000012263 liquid product Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 239000012070 reactive reagent Substances 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L sulfate group Chemical group S(=O)(=O)([O-])[O-] QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- FAQYAMRNWDIXMY-UHFFFAOYSA-N trichloroborane Chemical compound ClB(Cl)Cl FAQYAMRNWDIXMY-UHFFFAOYSA-N 0.000 description 1
- AJSTXXYNEIHPMD-UHFFFAOYSA-N triethyl borate Chemical compound CCOB(OCC)OCC AJSTXXYNEIHPMD-UHFFFAOYSA-N 0.000 description 1
- 239000013638 trimer Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F14/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen
- C08F14/18—Monomers containing fluorine
- C08F14/185—Monomers containing fluorine not covered by the groups C08F14/20 - C08F14/28
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/06—Halogens; Compounds thereof
- B01J27/08—Halides
- B01J27/12—Fluorides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/0201—Oxygen-containing compounds
- B01J31/0211—Oxygen-containing compounds with a metal-oxygen link
- B01J31/0212—Alkoxylates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/06—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing polymers
- B01J31/08—Ion-exchange resins
- B01J31/10—Ion-exchange resins sulfonated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J39/00—Cation exchange; Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
- B01J39/04—Processes using organic exchangers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J39/00—Cation exchange; Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
- B01J39/08—Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
- B01J39/16—Organic material
- B01J39/18—Macromolecular compounds
- B01J39/20—Macromolecular compounds obtained by reactions only involving unsaturated carbon-to-carbon bonds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C305/00—Esters of sulfuric acids
- C07C305/26—Halogenosulfates, i.e. monoesters of halogenosulfuric acids
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D327/00—Heterocyclic compounds containing rings having oxygen and sulfur atoms as the only ring hetero atoms
- C07D327/02—Heterocyclic compounds containing rings having oxygen and sulfur atoms as the only ring hetero atoms one oxygen atom and one sulfur atom
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US93190478A | 1978-08-08 | 1978-08-08 | |
US05/931,905 US4206138A (en) | 1978-08-08 | 1978-08-08 | Perfluoroallyl fluorosulfate and its sultone and polymers |
Publications (2)
Publication Number | Publication Date |
---|---|
DE2932179A1 true DE2932179A1 (de) | 1980-03-06 |
DE2932179C2 DE2932179C2 (enrdf_load_stackoverflow) | 1992-04-09 |
Family
ID=27130016
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19792932179 Granted DE2932179A1 (de) | 1978-08-08 | 1979-08-08 | Perfluorallylfluorsulfat, verfahren zu seiner herstellung und seine verwendung |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE2932179A1 (enrdf_load_stackoverflow) |
FR (2) | FR2433511A1 (enrdf_load_stackoverflow) |
GB (1) | GB2027709B (enrdf_load_stackoverflow) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1230137B (it) * | 1989-04-28 | 1991-10-14 | Ausimont Srl | Procedimento per preparare perfluoroalchenil solfonil fluoruri. |
US7276624B2 (en) * | 2002-05-14 | 2007-10-02 | E. I. Du Pont De Nemours And Company | Fluorosulfates of hexafluoroisobutylene and its higher homologs |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2753886A1 (de) * | 1976-12-02 | 1978-06-08 | Du Pont | Polyfluorallyloxyverbindungen und verfahren zur herstellung derselben |
-
1979
- 1979-08-07 FR FR7920180A patent/FR2433511A1/fr active Granted
- 1979-08-07 GB GB7927473A patent/GB2027709B/en not_active Expired
- 1979-08-08 DE DE19792932179 patent/DE2932179A1/de active Granted
-
1983
- 1983-09-01 FR FR8314036A patent/FR2528855A1/fr active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2753886A1 (de) * | 1976-12-02 | 1978-06-08 | Du Pont | Polyfluorallyloxyverbindungen und verfahren zur herstellung derselben |
Also Published As
Publication number | Publication date |
---|---|
DE2932179C2 (enrdf_load_stackoverflow) | 1992-04-09 |
GB2027709B (en) | 1983-01-06 |
FR2433511A1 (fr) | 1980-03-14 |
GB2027709A (en) | 1980-02-27 |
FR2433511B1 (enrdf_load_stackoverflow) | 1984-03-23 |
FR2528855A1 (fr) | 1983-12-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE1645126C3 (de) | Homopolymerisate und Mischpolymerisate von Perfluor-(2-methylen-4-methyl-1,3-dioxolan) und Verfahren zu deren Herstellung | |
DE817151C (de) | Elektrochemisches Verfahren zur Herstellung gesaettigter aliphatischer Fluorkohlenstoffaether | |
DE1618761A1 (de) | Perfluorvinylaether und Verfahren zu deren Herstellung | |
DE2112470C3 (de) | Perfluor-{3-phenoxypropylvinyläther) | |
DE2817366A1 (de) | Alkylperfluor-omega-fluorformylester und verfahren zu ihrer herstellung | |
DE69404312T2 (de) | Verfahren zur herstellung von perfluoralkylsulfonylfluoriden | |
DE2932179A1 (de) | Perfluorallylfluorsulfat, verfahren zu seiner herstellung und seine verwendung | |
EP0166293B1 (de) | Verfahren zur Herstellung halogenierter aliphatischer Carbonsäurefluoride | |
EP0087737A1 (de) | Perfluorierte Vinylether mit einem sekundären Wasserstoffatom, Polymere daraus, sowie Verfahren zur Herstellung der Monomeren | |
DE69111972T2 (de) | Verfahren zur Herstellung von Salzen fluorierter Alkohole. | |
EP0047948B1 (de) | Verfahren zur Herstellung von Polyfluorcarbonylverbindungen sowie einige neue Vertreter dieser Verbindungsklasse | |
DE2261108C3 (de) | Verfahren zur Herstellung fluorhaltiger Carbonyldihalogenide | |
EP0047945B1 (de) | Verfahren zur Herstellung von Perfluorcarbonylsulfonsäurefluoriden sowie die dabei als Zwischenprodukte auftretenden Fluorsulfatoperfluoralkansulfonsäurehalogenide | |
US4206138A (en) | Perfluoroallyl fluorosulfate and its sultone and polymers | |
DE3103136A1 (de) | Neue bicyclische ethercarbonate, verfahren zu ihrer herstellung und ihre verwendung | |
EP0052319A1 (de) | Verfahren zur Herstellung perfluorierter Sulfonsäurefluoride | |
DE1443388A1 (de) | Verfahren zur Herstellung von Arylfluoriden | |
DE1244149B (de) | Verfahren zur Herstellung von Fluoracetonen durch Zersetzen von Halogenwasserstoff-Fluoraceton-Komplexen | |
EP0070485B1 (de) | Verfahren zur Herstellung von omega-Fluorsulfato-perfluoralkansäurederivaten | |
DE1001004B (de) | Verfahren zur Herstellung neuer polymerer Stoffe | |
EP0053261B1 (de) | Verfahren zur Herstellung eines Gemisches von Ketalen des Trimethyl-p-benzochinons | |
EP0179377B1 (de) | Verfahren zur Herstellung von 1-Alkoxyisochromanen und neue 1-Alkoxy-alkylisochromane | |
DE857352C (de) | Verfahren zur Herstellung von halogenierten, aliphatischen Verbindungen aus Verbindungen mit Polymethylenoxydringen | |
EP0071064B1 (de) | Verfahren zur Herstellung von alpha, omega-Bis-fluorsulfato-perfluoralkanen | |
DE69001194T2 (de) | Verfahren zur herstellung von perfluoroalkenyl-sulfonyl-fluoriden. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8110 | Request for examination paragraph 44 | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |