KR100310936B1 - N-(4-메틸벤젠술포닐)-n'-(3-아자바이시클로[3,3,0]옥탄)우레아의 제조방법 - Google Patents
N-(4-메틸벤젠술포닐)-n'-(3-아자바이시클로[3,3,0]옥탄)우레아의 제조방법 Download PDFInfo
- Publication number
- KR100310936B1 KR100310936B1 KR1019990035727A KR19990035727A KR100310936B1 KR 100310936 B1 KR100310936 B1 KR 100310936B1 KR 1019990035727 A KR1019990035727 A KR 1019990035727A KR 19990035727 A KR19990035727 A KR 19990035727A KR 100310936 B1 KR100310936 B1 KR 100310936B1
- Authority
- KR
- South Korea
- Prior art keywords
- octane
- azabicyclo
- urea
- represented
- methylbenzenesulfonyl
- 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.)
- Expired - Lifetime
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 239000004202 carbamide Substances 0.000 title claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 title claims description 18
- 238000000034 method Methods 0.000 claims abstract description 32
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 27
- 238000006243 chemical reaction Methods 0.000 claims abstract description 24
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims abstract description 18
- -1 4-methylbenzenesulfonyl Chemical group 0.000 claims abstract description 17
- 239000002904 solvent Substances 0.000 claims abstract description 17
- VLJQDHDVZJXNQL-UHFFFAOYSA-N 4-methyl-n-(oxomethylidene)benzenesulfonamide Chemical compound CC1=CC=C(S(=O)(=O)N=C=O)C=C1 VLJQDHDVZJXNQL-UHFFFAOYSA-N 0.000 claims abstract description 14
- ZHVULPDNOFUIML-UHFFFAOYSA-N octane;hydrochloride Chemical compound Cl.CCCCCCCC ZHVULPDNOFUIML-UHFFFAOYSA-N 0.000 claims abstract description 14
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims abstract description 13
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 9
- 238000001556 precipitation Methods 0.000 claims abstract description 7
- 238000006386 neutralization reaction Methods 0.000 claims abstract description 6
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims abstract description 6
- 235000017557 sodium bicarbonate Nutrition 0.000 claims abstract description 6
- UHOVQNZJYSORNB-UHFFFAOYSA-N monobenzene Natural products C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 8
- 239000012044 organic layer Substances 0.000 claims description 7
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 claims description 6
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical group OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 6
- 239000002244 precipitate Substances 0.000 claims description 4
- OCJBOOLMMGQPQU-UHFFFAOYSA-N 1,4-dichlorobenzene Chemical compound ClC1=CC=C(Cl)C=C1 OCJBOOLMMGQPQU-UHFFFAOYSA-N 0.000 claims description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 2
- 229940117389 dichlorobenzene Drugs 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 239000008096 xylene Substances 0.000 claims description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims 1
- 239000000126 substance Substances 0.000 abstract description 16
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 abstract description 12
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 abstract description 12
- 150000007530 organic bases Chemical class 0.000 abstract description 5
- 125000003170 phenylsulfonyl group Chemical group C1(=CC=CC=C1)S(=O)(=O)* 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 16
- 239000000047 product Substances 0.000 description 15
- 150000001875 compounds Chemical class 0.000 description 11
- 239000010410 layer Substances 0.000 description 9
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 8
- 239000000376 reactant Substances 0.000 description 8
- 238000001953 recrystallisation Methods 0.000 description 8
- 239000012535 impurity Substances 0.000 description 7
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 6
- 239000002994 raw material Substances 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 5
- NOESYZHRGYRDHS-UHFFFAOYSA-N insulin Chemical compound N1C(=O)C(NC(=O)C(CCC(N)=O)NC(=O)C(CCC(O)=O)NC(=O)C(C(C)C)NC(=O)C(NC(=O)CN)C(C)CC)CSSCC(C(NC(CO)C(=O)NC(CC(C)C)C(=O)NC(CC=2C=CC(O)=CC=2)C(=O)NC(CCC(N)=O)C(=O)NC(CC(C)C)C(=O)NC(CCC(O)=O)C(=O)NC(CC(N)=O)C(=O)NC(CC=2C=CC(O)=CC=2)C(=O)NC(CSSCC(NC(=O)C(C(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC=2C=CC(O)=CC=2)NC(=O)C(CC(C)C)NC(=O)C(C)NC(=O)C(CCC(O)=O)NC(=O)C(C(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC=2NC=NC=2)NC(=O)C(CO)NC(=O)CNC2=O)C(=O)NCC(=O)NC(CCC(O)=O)C(=O)NC(CCCNC(N)=N)C(=O)NCC(=O)NC(CC=3C=CC=CC=3)C(=O)NC(CC=3C=CC=CC=3)C(=O)NC(CC=3C=CC(O)=CC=3)C(=O)NC(C(C)O)C(=O)N3C(CCC3)C(=O)NC(CCCCN)C(=O)NC(C)C(O)=O)C(=O)NC(CC(N)=O)C(O)=O)=O)NC(=O)C(C(C)CC)NC(=O)C(CO)NC(=O)C(C(C)O)NC(=O)C1CSSCC2NC(=O)C(CC(C)C)NC(=O)C(NC(=O)C(CCC(N)=O)NC(=O)C(CC(N)=O)NC(=O)C(NC(=O)C(N)CC=1C=CC=CC=1)C(C)C)CC1=CN=CN1 NOESYZHRGYRDHS-UHFFFAOYSA-N 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 102000004877 Insulin Human genes 0.000 description 2
- 108090001061 Insulin Proteins 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 239000007810 chemical reaction solvent Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 206010012601 diabetes mellitus Diseases 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229940125396 insulin Drugs 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 238000007086 side reaction Methods 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 239000013077 target material Substances 0.000 description 2
- 239000013076 target substance Substances 0.000 description 2
- 229940124597 therapeutic agent Drugs 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- RUTYWCZSEBLPAK-UHFFFAOYSA-N (4-methylphenyl)sulfonylurea Chemical compound CC1=CC=C(S(=O)(=O)NC(N)=O)C=C1 RUTYWCZSEBLPAK-UHFFFAOYSA-N 0.000 description 1
- AEBWATHAIVJLTA-UHFFFAOYSA-N 1,2,3,3a,4,5,6,6a-octahydropentalene Chemical compound C1CCC2CCCC21 AEBWATHAIVJLTA-UHFFFAOYSA-N 0.000 description 1
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- BOVGTQGAOIONJV-BETUJISGSA-N 1-[(3ar,6as)-3,3a,4,5,6,6a-hexahydro-1h-cyclopenta[c]pyrrol-2-yl]-3-(4-methylphenyl)sulfonylurea Chemical compound C1=CC(C)=CC=C1S(=O)(=O)NC(=O)NN1C[C@H]2CCC[C@H]2C1 BOVGTQGAOIONJV-BETUJISGSA-N 0.000 description 1
- RKWGIWYCVPQPMF-UHFFFAOYSA-N Chloropropamide Chemical compound CCCNC(=O)NS(=O)(=O)C1=CC=C(Cl)C=C1 RKWGIWYCVPQPMF-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 239000003849 aromatic solvent Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229960001761 chlorpropamide Drugs 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- DFWQXANLGSXMKF-UHFFFAOYSA-N ethyl n-(4-methylphenyl)sulfonylcarbamate Chemical compound CCOC(=O)NS(=O)(=O)C1=CC=C(C)C=C1 DFWQXANLGSXMKF-UHFFFAOYSA-N 0.000 description 1
- 229960000346 gliclazide Drugs 0.000 description 1
- 150000002429 hydrazines Chemical class 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 150000007529 inorganic bases Chemical class 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- SBFRBCWEYRIGAS-UHFFFAOYSA-N n-(4-methylphenyl)sulfonylcarbamoyl chloride Chemical compound CC1=CC=C(S(=O)(=O)NC(Cl)=O)C=C1 SBFRBCWEYRIGAS-UHFFFAOYSA-N 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
- C07C273/06—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds from cyanamide or calcium cyanamide
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C303/00—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
- C07C303/36—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of amides of sulfonic acids
- C07C303/40—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of amides of sulfonic acids by reactions not involving the formation of sulfonamide groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D209/02—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (5)
- p-톨루엔술포닐이소시아네이트로부터 N-(4-메틸벤젠술포닐)-N'-(3-아자바이시클로[3,3,0]옥탄)우레아를 제조하는 방법에 있어서,소수성 용매 및 pH 1∼5 분위기에서, 다음 화학식 2로 표시되는 p-톨루엔술포닐이소시아네이트와 다음 화학식 3으로 표시되는 N-아미노아자바이시클로[3,3,0]옥탄 염산염을 반응시키고,상기 반응이 완료되면 반응용액에 탄산수소나트륨 또는 수산화나트륨을 첨가하여 용액의 pH를 5∼7로 중화한 후에 침전법에 의해 분리 회수해내는 것을 특징으로 하는 다음 화학식 1로 표시되는 N-(4-메틸벤젠술포닐)-N'-(3-아자바이시클로[3,3,0]옥탄)우레아의 제조방법.화학식 2화학식 3화학식 1
- 제 1 항에 있어서, 상기 반응은 0 ∼ 50℃ 온도범위에서 수행하는 것을 특징으로 하는 제조방법.
- 제 1 항에 있어서, 상기 소수성 용매로는 벤젠, 톨루엔, 자일렌, 디클로로벤젠, 메틸렌클로라이드 및 클로로포름 중에서 선택하여 사용하는 것을 특징으로 하는 제조방법.
- 제 1 항에 있어서, 상기 침전법은 중화용액의 유기층을 감압증류하여 얻은 고체를 지방족알콜 용매에 분산시키고, 여기에 물을 첨가하여 생성된 침전물을 여과하여 회수해내는 과정으로 구성되는 것을 특징으로 하는 제조방법.
- 제 4 항에 있어서, 상기 지방족알콜 용매로는 메탄올, 에탄올 및 프로판올, 이소프로판올 중에서 선택하여 사용하는 것을 특징으로 하는 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990035727A KR100310936B1 (ko) | 1999-08-26 | 1999-08-26 | N-(4-메틸벤젠술포닐)-n'-(3-아자바이시클로[3,3,0]옥탄)우레아의 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990035727A KR100310936B1 (ko) | 1999-08-26 | 1999-08-26 | N-(4-메틸벤젠술포닐)-n'-(3-아자바이시클로[3,3,0]옥탄)우레아의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010019370A KR20010019370A (ko) | 2001-03-15 |
KR100310936B1 true KR100310936B1 (ko) | 2001-11-05 |
Family
ID=19608850
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019990035727A Expired - Lifetime KR100310936B1 (ko) | 1999-08-26 | 1999-08-26 | N-(4-메틸벤젠술포닐)-n'-(3-아자바이시클로[3,3,0]옥탄)우레아의 제조방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100310936B1 (ko) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3607935A (en) * | 1957-07-31 | 1971-09-21 | Hoechst Ag | Sulfonyl-ureas and a process for preparing them |
US4016291A (en) * | 1974-12-05 | 1977-04-05 | Schering Corporation | Benzenesulfonyl urea compounds and their therapeutic use |
US4056623A (en) * | 1975-03-05 | 1977-11-01 | Science Union Et Cie, Societe Francaise De Recherche Medicale | Methods of treating animals suffering from hyperlipidemia using certain N-phenyl sulphonyl-N'-(3-azabicycloalkyl) ureas |
JPH0641073A (ja) * | 1992-07-20 | 1994-02-15 | Honsyu Kagaku Kogyo Kk | N−(4−メチルベンゼンスルホニル)−n’−(3−アザビシクロ(3, 3, 0)オクタ−3−イル)尿素又はその塩の製造方法 |
KR940011442A (ko) * | 1992-11-17 | 1994-06-21 | 권석명 | 연속공정을 이용한 설포닐우레아의 제조방법 |
-
1999
- 1999-08-26 KR KR1019990035727A patent/KR100310936B1/ko not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3607935A (en) * | 1957-07-31 | 1971-09-21 | Hoechst Ag | Sulfonyl-ureas and a process for preparing them |
US4016291A (en) * | 1974-12-05 | 1977-04-05 | Schering Corporation | Benzenesulfonyl urea compounds and their therapeutic use |
US4056623A (en) * | 1975-03-05 | 1977-11-01 | Science Union Et Cie, Societe Francaise De Recherche Medicale | Methods of treating animals suffering from hyperlipidemia using certain N-phenyl sulphonyl-N'-(3-azabicycloalkyl) ureas |
JPH0641073A (ja) * | 1992-07-20 | 1994-02-15 | Honsyu Kagaku Kogyo Kk | N−(4−メチルベンゼンスルホニル)−n’−(3−アザビシクロ(3, 3, 0)オクタ−3−イル)尿素又はその塩の製造方法 |
KR940011442A (ko) * | 1992-11-17 | 1994-06-21 | 권석명 | 연속공정을 이용한 설포닐우레아의 제조방법 |
Also Published As
Publication number | Publication date |
---|---|
KR20010019370A (ko) | 2001-03-15 |
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