CH427839A - Verfahren zur Herstellung von Sulfamylanthranilsäuren - Google Patents

Verfahren zur Herstellung von Sulfamylanthranilsäuren

Info

Publication number: CH427839A
Authority: CH; Switzerland
Prior art keywords: acid; ester; sulfamylanthranilic; group; acids
Prior art date: 1962-10-16

Application number

CH1257063A

Other languages

German (de)

English (en)

Inventor

Siedel Walter

Sturm Karl

Original Assignee

Hoechst Ag

Priority date (The priority date 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 date listed.)

1962-10-16

Filing date

1963-10-14

Publication date

1967-01-15

1963-10-14 Application filed by Hoechst Ag filed Critical Hoechst Ag

1967-01-15 Publication of CH427839A publication Critical patent/CH427839A/de

Links

239000002253 acid Substances 0.000 title claims description 18
238000000034 method Methods 0.000 title claims description 13
150000007513 acids Chemical class 0.000 title claims description 6
238000002360 preparation method Methods 0.000 title claims description 5
150000002148 esters Chemical class 0.000 claims description 17
-1 methylenedioxy group Chemical group 0.000 claims description 9
150000001412 amines Chemical class 0.000 claims description 8
125000004432 carbon atom Chemical group C* 0.000 claims description 5
125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 4
239000000460 chlorine Substances 0.000 claims description 4
229910052801 chlorine Inorganic materials 0.000 claims description 4
229910052739 hydrogen Inorganic materials 0.000 claims description 4
239000001257 hydrogen Substances 0.000 claims description 4
125000001931 aliphatic group Chemical group 0.000 claims description 3
125000001309 chloro group Chemical group Cl* 0.000 claims description 3
WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 2
239000004215 Carbon black (E152) Substances 0.000 claims description 2
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
125000003545 alkoxy group Chemical group 0.000 claims description 2
125000000217 alkyl group Chemical group 0.000 claims description 2
GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Chemical group BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 2
229910052794 bromium Chemical group 0.000 claims description 2
229930195733 hydrocarbon Natural products 0.000 claims description 2
150000002431 hydrogen Chemical class 0.000 claims description 2
125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 2
ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims 1
150000001735 carboxylic acids Chemical class 0.000 claims 1
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 27
QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 12
235000019441 ethanol Nutrition 0.000 description 12
KWYUFKZDYYNOTN-UHFFFAOYSA-M potassium hydroxide Inorganic materials [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 8
ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 6
238000006243 chemical reaction Methods 0.000 description 6
239000000203 mixture Substances 0.000 description 6
239000000047 product Substances 0.000 description 6
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
229960000583 acetic acid Drugs 0.000 description 5
238000002844 melting Methods 0.000 description 5
230000008018 melting Effects 0.000 description 5
239000000243 solution Substances 0.000 description 5
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
WGQKYBSKWIADBV-UHFFFAOYSA-N benzylamine Chemical compound NCC1=CC=CC=C1 WGQKYBSKWIADBV-UHFFFAOYSA-N 0.000 description 4
239000003610 charcoal Substances 0.000 description 4
150000001875 compounds Chemical class 0.000 description 4
238000000354 decomposition reaction Methods 0.000 description 4
238000003756 stirring Methods 0.000 description 4
FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 description 4
OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
150000001732 carboxylic acid derivatives Chemical class 0.000 description 3
239000012362 glacial acetic acid Substances 0.000 description 3
125000005843 halogen group Chemical group 0.000 description 3
150000007530 organic bases Chemical group 0.000 description 3
239000007858 starting material Substances 0.000 description 3
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
BWLUMTFWVZZZND-UHFFFAOYSA-N Dibenzylamine Chemical compound C=1C=CC=CC=1CNCC1=CC=CC=C1 BWLUMTFWVZZZND-UHFFFAOYSA-N 0.000 description 2
KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
XXROGKLTLUQVRX-UHFFFAOYSA-N allyl alcohol Chemical compound OCC=C XXROGKLTLUQVRX-UHFFFAOYSA-N 0.000 description 2
239000002585 base Substances 0.000 description 2
239000007795 chemical reaction product Substances 0.000 description 2
238000004140 cleaning Methods 0.000 description 2
238000009833 condensation Methods 0.000 description 2
230000005494 condensation Effects 0.000 description 2
238000001816 cooling Methods 0.000 description 2
MWKFXSUHUHTGQN-UHFFFAOYSA-N decan-1-ol Chemical compound CCCCCCCCCCO MWKFXSUHUHTGQN-UHFFFAOYSA-N 0.000 description 2
239000002934 diuretic Substances 0.000 description 2
229940030606 diuretics Drugs 0.000 description 2
125000004185 ester group Chemical group 0.000 description 2
239000000706 filtrate Substances 0.000 description 2
DDRPCXLAQZKBJP-UHFFFAOYSA-N furfurylamine Chemical compound NCC1=CC=CO1 DDRPCXLAQZKBJP-UHFFFAOYSA-N 0.000 description 2
ZSIAUFGUXNUGDI-UHFFFAOYSA-N hexan-1-ol Chemical compound CCCCCCO ZSIAUFGUXNUGDI-UHFFFAOYSA-N 0.000 description 2
150000007529 inorganic bases Chemical class 0.000 description 2
ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 description 2
ZXSGVNRCYQXHNK-UHFFFAOYSA-N methyl 2,4-dichloro-5-sulfamoylbenzoate Chemical compound COC(=O)C1=CC(S(N)(=O)=O)=C(Cl)C=C1Cl ZXSGVNRCYQXHNK-UHFFFAOYSA-N 0.000 description 2
150000004702 methyl esters Chemical class 0.000 description 2
125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
GLDOVTGHNKAZLK-UHFFFAOYSA-N octadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCO GLDOVTGHNKAZLK-UHFFFAOYSA-N 0.000 description 2
238000001556 precipitation Methods 0.000 description 2
230000000894 saliuretic effect Effects 0.000 description 2
238000007086 side reaction Methods 0.000 description 2
239000007787 solid Substances 0.000 description 2
239000002904 solvent Substances 0.000 description 2
FKKJJPMGAWGYPN-UHFFFAOYSA-N thiophen-2-ylmethanamine Chemical compound NCC1=CC=CS1 FKKJJPMGAWGYPN-UHFFFAOYSA-N 0.000 description 2
QIVUCLWGARAQIO-OLIXTKCUSA-N (3s)-n-[(3s,5s,6r)-6-methyl-2-oxo-1-(2,2,2-trifluoroethyl)-5-(2,3,6-trifluorophenyl)piperidin-3-yl]-2-oxospiro[1h-pyrrolo[2,3-b]pyridine-3,6'-5,7-dihydrocyclopenta[b]pyridine]-3'-carboxamide Chemical compound C1([C@H]2[C@H](N(C(=O)[C@@H](NC(=O)C=3C=C4C[C@]5(CC4=NC=3)C3=CC=CN=C3NC5=O)C2)CC(F)(F)F)C)=C(F)C=CC(F)=C1F QIVUCLWGARAQIO-OLIXTKCUSA-N 0.000 description 1
RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
QQLNFWFHBAFHPR-UHFFFAOYSA-N 2-(benzylamino)-4-chloro-5-sulfamoylbenzoic acid Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CC=C1 QQLNFWFHBAFHPR-UHFFFAOYSA-N 0.000 description 1
NGNBDVOYPDDBFK-UHFFFAOYSA-N 2-[2,4-di(pentan-2-yl)phenoxy]acetyl chloride Chemical class CCCC(C)C1=CC=C(OCC(Cl)=O)C(C(C)CCC)=C1 NGNBDVOYPDDBFK-UHFFFAOYSA-N 0.000 description 1
HJCTVUWPHAZTLI-UHFFFAOYSA-N 2-ethylsulfanylethanamine Chemical compound CCSCCN HJCTVUWPHAZTLI-UHFFFAOYSA-N 0.000 description 1
YFZPNQGBGBHYKM-UHFFFAOYSA-N 4-chloro-2-(dibenzylamino)-5-sulfamoylbenzoic acid Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1N(CC=1C=CC=CC=1)CC1=CC=CC=C1 YFZPNQGBGBHYKM-UHFFFAOYSA-N 0.000 description 1
GTAFUBDGBLSUOX-UHFFFAOYSA-N 4-chloro-5-sulfamoyl-2-(thiophen-2-ylmethylamino)benzoic acid Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CS1 GTAFUBDGBLSUOX-UHFFFAOYSA-N 0.000 description 1
BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical class OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 1
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
YXHKONLOYHBTNS-UHFFFAOYSA-N Diazomethane Chemical compound C=[N+]=[N-] YXHKONLOYHBTNS-UHFFFAOYSA-N 0.000 description 1
XBPCUCUWBYBCDP-UHFFFAOYSA-N Dicyclohexylamine Chemical compound C1CCCCC1NC1CCCCC1 XBPCUCUWBYBCDP-UHFFFAOYSA-N 0.000 description 1
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
JLTDJTHDQAWBAV-UHFFFAOYSA-N N,N-dimethylaniline Chemical compound CN(C)C1=CC=CC=C1 JLTDJTHDQAWBAV-UHFFFAOYSA-N 0.000 description 1
ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
230000001476 alcoholic effect Effects 0.000 description 1
150000001298 alcohols Chemical class 0.000 description 1
229910052783 alkali metal Inorganic materials 0.000 description 1
150000001340 alkali metals Chemical class 0.000 description 1
229910052784 alkaline earth metal Inorganic materials 0.000 description 1
125000003277 amino group Chemical group 0.000 description 1
230000001365 aminolytic effect Effects 0.000 description 1
229910021529 ammonia Inorganic materials 0.000 description 1
125000003118 aryl group Chemical group 0.000 description 1
ZSPQVFWURRJWRC-UHFFFAOYSA-N butyl 2,4-dichloro-5-sulfamoylbenzoate Chemical compound CCCCOC(=O)C1=CC(S(N)(=O)=O)=C(Cl)C=C1Cl ZSPQVFWURRJWRC-UHFFFAOYSA-N 0.000 description 1
229910052799 carbon Inorganic materials 0.000 description 1
150000001734 carboxylic acid salts Chemical class 0.000 description 1
238000003776 cleavage reaction Methods 0.000 description 1
HPXRVTGHNJAIIH-UHFFFAOYSA-N cyclohexanol Chemical compound OC1CCCCC1 HPXRVTGHNJAIIH-UHFFFAOYSA-N 0.000 description 1
UQTQYMICJKTWLI-UHFFFAOYSA-N cyclohexyl 2,4-dichloro-5-sulfamoylbenzoate Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(=O)OC2CCCCC2)=C1Cl UQTQYMICJKTWLI-UHFFFAOYSA-N 0.000 description 1
230000032050 esterification Effects 0.000 description 1
238000005886 esterification reaction Methods 0.000 description 1
LSXBNLARBXRUOW-UHFFFAOYSA-N ethyl 2,4-dichloro-5-sulfamoylbenzoate Chemical compound CCOC(=O)C1=CC(S(N)(=O)=O)=C(Cl)C=C1Cl LSXBNLARBXRUOW-UHFFFAOYSA-N 0.000 description 1
125000004494 ethyl ester group Chemical group 0.000 description 1
230000002349 favourable effect Effects 0.000 description 1
ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 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
239000012433 hydrogen halide Substances 0.000 description 1
229910000039 hydrogen halide Inorganic materials 0.000 description 1
150000004679 hydroxides Chemical class 0.000 description 1
235000015243 ice cream Nutrition 0.000 description 1
239000005457 ice water Substances 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
RFVULUSGHFRDHJ-UHFFFAOYSA-N methyl 2,3-dichlorobenzoate Chemical compound COC(=O)C1=CC=CC(Cl)=C1Cl RFVULUSGHFRDHJ-UHFFFAOYSA-N 0.000 description 1
GOQYKNQRPGWPLP-UHFFFAOYSA-N n-heptadecyl alcohol Natural products CCCCCCCCCCCCCCCCCO GOQYKNQRPGWPLP-UHFFFAOYSA-N 0.000 description 1
229910052757 nitrogen Inorganic materials 0.000 description 1
RWZYAGGXGHYGMB-UHFFFAOYSA-N o-aminobenzenecarboxylic acid Natural products NC1=CC=CC=C1C(O)=O RWZYAGGXGHYGMB-UHFFFAOYSA-N 0.000 description 1
WVDDGKGOMKODPV-ZQBYOMGUSA-N phenyl(114C)methanol Chemical compound O[14CH2]C1=CC=CC=C1 WVDDGKGOMKODPV-ZQBYOMGUSA-N 0.000 description 1
150000003141 primary amines Chemical class 0.000 description 1
UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
239000000376 reactant Substances 0.000 description 1
230000035484 reaction time Effects 0.000 description 1
238000001953 recrystallisation Methods 0.000 description 1
238000010992 reflux Methods 0.000 description 1
239000012266 salt solution Substances 0.000 description 1
238000007127 saponification reaction Methods 0.000 description 1
229920006395 saturated elastomer Polymers 0.000 description 1
230000007017 scission Effects 0.000 description 1
150000003335 secondary amines Chemical class 0.000 description 1
238000010517 secondary reaction Methods 0.000 description 1
125000001424 substituent group Chemical group 0.000 description 1
229910052717 sulfur Inorganic materials 0.000 description 1
239000011593 sulfur Substances 0.000 description 1
125000000101 thioether group Chemical group 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D307/38—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with substituted hydrocarbon radicals attached to ring carbon atoms
- C07D307/52—Radicals substituted by nitrogen atoms not forming part of a nitro radical
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C311/00—Amides of sulfonic acids, i.e. compounds having singly-bound oxygen atoms of sulfo groups replaced by nitrogen atoms, not being part of nitro or nitroso groups
- C07C311/30—Sulfonamides, the carbon skeleton of the acid part being further substituted by singly-bound nitrogen atoms, not being part of nitro or nitroso groups
- C07C311/37—Sulfonamides, the carbon skeleton of the acid part being further substituted by singly-bound nitrogen atoms, not being part of nitro or nitroso groups having the sulfur atom of at least one of the sulfonamide groups bound to a carbon atom of a six-membered aromatic ring
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C311/00—Amides of sulfonic acids, i.e. compounds having singly-bound oxygen atoms of sulfo groups replaced by nitrogen atoms, not being part of nitro or nitroso groups
- C07C311/30—Sulfonamides, the carbon skeleton of the acid part being further substituted by singly-bound nitrogen atoms, not being part of nitro or nitroso groups
- C07C311/37—Sulfonamides, the carbon skeleton of the acid part being further substituted by singly-bound nitrogen atoms, not being part of nitro or nitroso groups having the sulfur atom of at least one of the sulfonamide groups bound to a carbon atom of a six-membered aromatic ring
- C07C311/38—Sulfonamides, the carbon skeleton of the acid part being further substituted by singly-bound nitrogen atoms, not being part of nitro or nitroso groups having the sulfur atom of at least one of the sulfonamide groups bound to a carbon atom of a six-membered aromatic ring having sulfur atoms of sulfonamide groups and amino groups bound to carbon atoms of six-membered rings of the same carbon skeleton

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

CH1257063A 1962-10-16 1963-10-14 Verfahren zur Herstellung von Sulfamylanthranilsäuren CH427839A (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DEF38055A DE1174797B (de)	1962-10-16	1962-10-16	Verfahren zur Herstellung von Sulfamylanthranilsaeuren

Publications (1)

Publication Number	Publication Date
CH427839A true CH427839A (de)	1967-01-15

Family

ID=7097195

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH1257063A CH427839A (de)	1962-10-16	1963-10-14	Verfahren zur Herstellung von Sulfamylanthranilsäuren

Country Status (6)

Country	Link
AT (1)	AT244328B (da)
CH (1)	CH427839A (da)
DE (1)	DE1174797B (da)
DK (1)	DK111143B (da)
FR (1)	FR1373341A (da)
OA (1)	OA01361A (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1220436B (de) *	1964-10-21	1966-07-07	Hoechst Ag	Verfahren zur Herstellung von Sulfamylanthranilsaeuren
DE1272929B (da) *	1965-06-05	1968-07-18
DE1815922C3 (de) *	1968-12-20	1979-04-26	Boehringer Mannheim Gmbh, 6800 Mannheim	5-Phenyltetrazol-Derivate

1962
- 1962-10-16 DE DEF38055A patent/DE1174797B/de active Pending
1963
- 1963-10-14 CH CH1257063A patent/CH427839A/de unknown
- 1963-10-14 AT AT823663A patent/AT244328B/de active
- 1963-10-14 DK DK483363AA patent/DK111143B/da unknown
- 1963-10-16 FR FR950734A patent/FR1373341A/fr not_active Expired
1964
- 1964-12-31 OA OA51804A patent/OA01361A/xx unknown

Also Published As

Publication number	Publication date
FR1373341A (fr)	1964-09-25
DE1174797B (de)	1964-07-30
DK111143B (da)	1968-06-17
AT244328B (de)	1965-12-27
OA01361A (fr)	1969-07-04

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DE1966974A1 (de)	1976-01-15	Dimethylformiminiumhalogensulfit- n-halogenide, verfahren zu deren herstellung sowie deren verwendung
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DE1213846B (de)	1966-04-07	Verfahren zur Herstellung von Sulfamylanthranilsaeuren
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