DK152206B - Analogifremgangsmaade til fremstilling af svovl- og/eller oxygenholdige diarylforbindelser eller syreadditionssalte heraf - Google Patents
Analogifremgangsmaade til fremstilling af svovl- og/eller oxygenholdige diarylforbindelser eller syreadditionssalte heraf Download PDFInfo
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- DK152206B DK152206B DK31680A DK31680A DK152206B DK 152206 B DK152206 B DK 152206B DK 31680 A DK31680 A DK 31680A DK 31680 A DK31680 A DK 31680A DK 152206 B DK152206 B DK 152206B
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- acid
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- sulfur
- oxygen
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- 239000002253 acid Substances 0.000 title claims description 6
- 150000003839 salts Chemical class 0.000 title claims description 5
- 229910052717 sulfur Inorganic materials 0.000 title claims description 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title claims description 4
- 239000011593 sulfur Substances 0.000 title claims description 4
- 238000000034 method Methods 0.000 title claims description 3
- 238000002360 preparation method Methods 0.000 title claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 125000000217 alkyl group Chemical group 0.000 claims description 2
- 125000006267 biphenyl group Chemical group 0.000 claims description 2
- 125000004432 carbon atom Chemical group C* 0.000 claims description 2
- 125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 2
- 229910052736 halogen Inorganic materials 0.000 claims description 2
- 125000005843 halogen group Chemical group 0.000 claims description 2
- 150000002367 halogens Chemical class 0.000 claims description 2
- YCWSUKQGVSGXJO-NTUHNPAUSA-N nifuroxazide Chemical group C1=CC(O)=CC=C1C(=O)N\N=C\C1=CC=C([N+]([O-])=O)O1 YCWSUKQGVSGXJO-NTUHNPAUSA-N 0.000 claims description 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims 1
- 229910052794 bromium Inorganic materials 0.000 claims 1
- 229910052801 chlorine Inorganic materials 0.000 claims 1
- 239000000460 chlorine Substances 0.000 claims 1
- 101150009274 nhr-1 gene Proteins 0.000 claims 1
- 230000000694 effects Effects 0.000 description 8
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 5
- 230000002744 anti-aggregatory effect Effects 0.000 description 5
- 230000000055 hyoplipidemic effect Effects 0.000 description 5
- 208000024172 Cardiovascular disease Diseases 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 2
- 102000008186 Collagen Human genes 0.000 description 2
- 108010035532 Collagen Proteins 0.000 description 2
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- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 2
- 241000700157 Rattus norvegicus Species 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
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- 229960000443 hydrochloric acid Drugs 0.000 description 2
- 230000000871 hypocholesterolemic effect Effects 0.000 description 2
- 230000005764 inhibitory process Effects 0.000 description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 230000000144 pharmacologic effect Effects 0.000 description 2
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 description 2
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 2
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 2
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 description 1
- GMHXMPYLWQXSES-UHFFFAOYSA-N 2-[4-(4-chlorophenoxy)phenoxy]-n,n-diethylethanamine;hydrochloride Chemical compound Cl.C1=CC(OCCN(CC)CC)=CC=C1OC1=CC=C(Cl)C=C1 GMHXMPYLWQXSES-UHFFFAOYSA-N 0.000 description 1
- RAGSWDIQBBZLLL-UHFFFAOYSA-N 2-chloroethyl(diethyl)azanium;chloride Chemical compound Cl.CCN(CC)CCCl RAGSWDIQBBZLLL-UHFFFAOYSA-N 0.000 description 1
- BMYNFMYTOJXKLE-UHFFFAOYSA-N 3-azaniumyl-2-hydroxypropanoate Chemical compound NCC(O)C(O)=O BMYNFMYTOJXKLE-UHFFFAOYSA-N 0.000 description 1
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- XQMRZWSYBUCVAX-UHFFFAOYSA-N 4-(4-chlorophenoxy)phenol Chemical compound C1=CC(O)=CC=C1OC1=CC=C(Cl)C=C1 XQMRZWSYBUCVAX-UHFFFAOYSA-N 0.000 description 1
- BSYNRYMUTXBXSQ-FOQJRBATSA-N 59096-14-9 Chemical compound CC(=O)OC1=CC=CC=C1[14C](O)=O BSYNRYMUTXBXSQ-FOQJRBATSA-N 0.000 description 1
- 239000005711 Benzoic acid Substances 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 206010052895 Coronary artery insufficiency Diseases 0.000 description 1
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 1
- WHUUTDBJXJRKMK-UHFFFAOYSA-N Glutamic acid Natural products OC(=O)C(N)CCC(O)=O WHUUTDBJXJRKMK-UHFFFAOYSA-N 0.000 description 1
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- WHUUTDBJXJRKMK-VKHMYHEASA-N L-glutamic acid Chemical compound OC(=O)[C@@H](N)CCC(O)=O WHUUTDBJXJRKMK-VKHMYHEASA-N 0.000 description 1
- 241000283973 Oryctolagus cuniculus Species 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 1
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 1
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 description 1
- 239000003529 anticholesteremic agent Substances 0.000 description 1
- 239000003524 antilipemic agent Substances 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 235000010323 ascorbic acid Nutrition 0.000 description 1
- 239000011668 ascorbic acid Substances 0.000 description 1
- 229960005070 ascorbic acid Drugs 0.000 description 1
- 235000003704 aspartic acid Nutrition 0.000 description 1
- 229960005261 aspartic acid Drugs 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000010233 benzoic acid Nutrition 0.000 description 1
- 229960004365 benzoic acid Drugs 0.000 description 1
- OQFSQFPPLPISGP-UHFFFAOYSA-N beta-carboxyaspartic acid Natural products OC(=O)C(N)C(C(O)=O)C(O)=O OQFSQFPPLPISGP-UHFFFAOYSA-N 0.000 description 1
- 230000027455 binding Effects 0.000 description 1
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- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 1
- 235000015165 citric acid Nutrition 0.000 description 1
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- 229910052802 copper Inorganic materials 0.000 description 1
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- LBAQSKZHMLAFHH-UHFFFAOYSA-N ethoxyethane;hydron;chloride Chemical compound Cl.CCOCC LBAQSKZHMLAFHH-UHFFFAOYSA-N 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
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- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
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- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
Description
DK 152206B
Den foreliggende opfindelse angår en analogi fremgangsmåde til fremstilling af hidtil ukendte svovl- og/el-ler oxygenholdige diarylforbindelser eller syreadditionssalte heraf. Disse forbindelser er terapeutisk 5 anvendelige.
De omhandlede forbindelser har den i kravets indledning anførte almene formel I og er især anvendelige ved behandling af kredsløbsforstyrrelser, såsom cardiovas-culære sygdomme.
10 Det i formel I anvendte symbol "Alk" betegner en gruppe valgt blandt CH2CH2, CH(CH3)CH2 og C(CH3)2CH2· I den viste formel I betegner R en gruppe valgt blandt NHCH2CH20H, NH2, NHR·*· og NR^R^, hvor R* og R^ hver især betegner en alkylgruppe med 1-3 C-atomer.
15 De omhandlede forbindelser med formel I fremstilles ved at omsætte et diphenylderivat med formlen
C1—^— k~~^\ BH
Hvor A og 6 har de i kravet anførte betydninger, med et halogenderivat med formlen
Hal-Alk-R (111) hvor Alk og R har de ovenfor angivne betydninger og Hal 20 betegner et halogenatom. Man kan anvende et chloreret.el ler bromeret derivat, idet det chlorerede derivat i reglen giver bedre udbytter end det bromerede derivat.
2
DK 1S2206B
Syreadditionssalte opnået ud fra baser med formel I kan fremstilles på i sig selv kendt måde, f.eks. ved omsætning af den frie base med en mineralsyre eller en organisk syre, især saltsyre, hydrogenbromidsyre, hy** 5 drogeniodidsyre, svovlsyre, myresyre, maleinsyre, fumar- syre, oxalsyre, ascorbinsyre, citronsyre, eddikesyre, methansulfonsyre, p-toluensulfonsyre, mælkesyre, rav-syre, benzoesyre, salicylsyre, acetylsalicylsyre, æble-syre, vinsyre, glutaminsyre eller asparaginsyre.
10 I nedenstående tabel I er anført en række af de omhandlede forbindelser med angivelse af fysiske data.
De omhandlede svovlholdige og oxygenholdige diary1forW bindeiser er anvendelige i terapien ved behandling af kredsløbsforstyrrelser, især cardiovasculære sygdomme.
15 Visse af disse forbindelser er også anvendelige som hypolipidæmiske og hypocholesterolæmiske midler, ligesom visse virker som antiaggregeringsmidler for blodplader, mens andre både er hypolipidæmiske, hypocholesterolæmiske og antiaggregeringsmidler, idet den fælles 20 virkning for alle de omhandlede forbindelser er en gunstig virkning på kredsløbsforstyrrelser, især cardiovasculære sygdomme.
De omhandlede forbindelser kan formuleres til terapeut tiske midler i kombination med en fysiologisk acceptabel 25 excipiens.
3 DK 152206 B v
TABEL I
Kode nr. A B Alk_R_Smeltepunkt
s o c(ch3)2ch2 nh(ch2)2oh 50°C
CRL 40 238 S 0 C(CH3)2CH2 NH(CH2)20H 148°C
CRL 40 274 0 S CH2CH2 NH(CH2)20H 67-68°C
CRL 40 279 0 S C(CH3)2CH2 NH(CH2)20H <50°C
CRL 40 317 0 0 CHpCH? NHp 215 °C
(d) d d d CRL 40 295 0 0 CH2CH2 NHCH2CH20H 141°C (e) “1—~~~~~~~~~ ———————
CRL 40 330 0 0 CH0CH0 119°C
(d>____2 2 2 52__
CRL 40 301 0 0 CH(CH0)CH0 NHCH,,CHo0H 145°C
(d) ____3 2 2 2__ CRL 40 283 0 S CH(CH3)CH2 NHCH2CH2OH (C) (e) ____.__ (c) olie (d) hydrochlorid
(e) den fri hase har smp. 98°C
4 DK 1522060
Opfindelsen illustreres nærmere ved det nedenstående eksempel. De opnåede (+)- og (-)- isomere af de race-miske blandinger kan isoleres på i sig selv kendt måde.
Eksempel 5 N, N-diethyl-2-[4-(4-chlorphenoxy)-phenoxy]-ethylamin- hydrochlorid_
Kode nr. CRL 40.330.
I en opløsning holdt ved cirka 60 °C af 15 g (0,068 mol) p-(p-chlorphenoxy)-phenol og 6,3 g (0,157 mol) NaOH i pa-10 stiller i 20 ml vand og 20 ml ethanol udhældes i løbet af 30 minutter en opløsning af 13,2 g (0,075 mol) 2-(N,N-di-ethyl-amino)-l-chlorethan-hydrochlorid i 30 ml vand. Man opvarmer under tilbagesvaling i 1 time og afdamper ethano-len under reduceret tryk. Den vandige fase ekstraheres med 15 diethylether, og den opnåede organiske fase, der udvaskes til neutralitet med vand, tørres over natriumsulfat og inddampes til tørhed under reduceret tryk. Den olieagtige remanens behandles med saltsur diethylether, hvorved man opnår 20 g af et hvidt pulver. Efter omkrystallisation fra 20 ethylacetat opnås 18 g CRL 40.330.
Smp (Kofler) = 119 °C Udbytte = 74,3¾
DK 152206B
5
Farmakologiske undersøgelser
Nedenfor er anført resultaterne af farmakologiske undersøgelser, som er foretaget med henblik på bestemmelse af på den-ene side de hypolipidæmiske og hypochloesterolæmi-5 ske egenskaber og på den anden side de antiaggregerende egenskaber.
De hypolipidæmiske og hypochloesterolæmiske virkninger er undersøgt på Wistar-rotter.
Den antiaggregerende virkning er undersøgt ved studier 10 af de parametre, der karakteriserer aggregeringskurven for blodplader induceret af: (a) collagen: inhibering af aggregeringen (som svarer til pct. transmission), latenstiden og hastigheden, og (b) ADP: Inhibering af aggregeringen (dvs. pct. transmis- 15 sion).
Virkningen er undersøgt på blod fra Wistar-hanrotter for en del af de omhandlede forbindelsers vedkommende, idet de anvendte aggregeringsmidler var eddikesur collagen fortyndet til 1/10 samt 1 ^um ADP.
20 I tabel II nedenfor er anført resultaterne for den anti aggregerende virkning af to af de omhandlede forbindelser, og tabel III viser resultater for den anti-aggrege-rende virkning og de hypolipidæmiske og hypocholesterol-æmiske virkninger af nogle af de omhandlede forbindelser, 25 idet den anvendte kode for de angivne doser er følgende: - : ingen aktivitet + : mærkbar aktivitet ++ : intens aktivitet +++ : meget intens aktivitet
DK 152206 B
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DK 152206 B
8
Det har vist sig at forbindelserne CRL 40.317 og CRL 40.295, hver indgivet i form af en tablet indeholdende 250-500 mg aktiv forbindelse i mennesker for at forebygge cardiovasculære forstyrrelser, tåles godt, især 5 ved behandling af coronar-insufficiens.
Claims (1)
- DK 152206B Analogifremgangsmåde til fremstilling af svovl- og/eller oxygenholdige diarylforbindelser med den almene formel Cl—^ A —^ B - Alk - R I hvori A betegner 0 eller S, B betegner 0 og kan betegne S, når A er 0, Alk betegner en gruppe valgt blandt CH2CH2, CH(CH3)CH2 og CtCH^^CH^ og R betegner en gruppe valgt blandt NHCH2CH20H, NH2, NHR1og NR1R2, hvor R1 og R2 hver betegner alkyl med 1-3 carbonatomer, eller syreadditionssalte deraf, kendetegnet ved, at man omsætter et diphenylderivat med den almene formel C^A^ BH II hvor A og B har de ovenfor anførte betydninger, med et halogenderivat med formlen Hal - Alk - R III hvor Alk og R har de ovenfor anførte betydninger og Hal betegner et halogenatom, fortrinsvis brom eller chlor, hvorefter man om ønsket overfører en dannet forbindelse i et syreadditionssalt.
Applications Claiming Priority (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4238774 | 1974-09-30 | ||
| GB4238774A GB1519147A (en) | 1974-09-30 | 1974-09-30 | Sulphur and oxygen-containing diaryl compounds |
| GB158775 | 1975-01-14 | ||
| GB158775 | 1975-01-14 | ||
| FR7502307 | 1975-01-24 | ||
| FR7502307A FR2258846A1 (en) | 1974-01-25 | 1975-01-24 | Bis((N-hydroxy alkyl)-amino alkyl thio)alkane and derivs - as agents preventing blood platelet aggregation |
| DK437075 | 1975-09-29 | ||
| DK437075A DK146336C (da) | 1974-09-30 | 1975-09-29 | Analogifremgangsmaade til fremstilling af syreadditionssalte af svovlholdige diarylforbindelser |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DK31680A DK31680A (da) | 1980-01-25 |
| DK152206B true DK152206B (da) | 1988-02-08 |
| DK152206C DK152206C (da) | 1988-07-11 |
Family
ID=27439711
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK31780A DK31780A (da) | 1974-09-30 | 1980-01-25 | Analogifremgangsmaade til fremstilling af oxygenholdige diarylforbindelser og syreadditionssalte heraf |
| DK31680A DK152206C (da) | 1974-09-30 | 1980-01-25 | Analogifremgangsmaade til fremstilling af svovl- og/eller oxygenholdige diarylforbindelser eller syreadditionssalte heraf |
| DK31580A DK159966C (da) | 1974-09-30 | 1980-01-25 | Analogifremgangsmaade til fremstilling af oxygenholdige diarylforbindelser |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK31780A DK31780A (da) | 1974-09-30 | 1980-01-25 | Analogifremgangsmaade til fremstilling af oxygenholdige diarylforbindelser og syreadditionssalte heraf |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK31580A DK159966C (da) | 1974-09-30 | 1980-01-25 | Analogifremgangsmaade til fremstilling af oxygenholdige diarylforbindelser |
Country Status (1)
| Country | Link |
|---|---|
| DK (3) | DK31780A (da) |
-
1980
- 1980-01-25 DK DK31780A patent/DK31780A/da not_active Application Discontinuation
- 1980-01-25 DK DK31680A patent/DK152206C/da not_active IP Right Cessation
- 1980-01-25 DK DK31580A patent/DK159966C/da not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DK159966B (da) | 1991-01-07 |
| DK31580A (da) | 1980-01-25 |
| DK152206C (da) | 1988-07-11 |
| DK159966C (da) | 1991-05-27 |
| DK31780A (da) | 1980-01-25 |
| DK31680A (da) | 1980-01-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUP | Patent expired |