NL8003832A - Werkwijze voor het bereiden van een basische oplossing van 5-mercaptotetrazolyl-1-azijnzuur; werkwijze voor het bereiden van 5-broom-tetrazolyl-1-azijnzuur; werkwijze voor het bereiden van 5-mercapto-tetrazolyl- -1-azijnzuur. - Google Patents
Werkwijze voor het bereiden van een basische oplossing van 5-mercaptotetrazolyl-1-azijnzuur; werkwijze voor het bereiden van 5-broom-tetrazolyl-1-azijnzuur; werkwijze voor het bereiden van 5-mercapto-tetrazolyl- -1-azijnzuur. Download PDFInfo
- Publication number
- NL8003832A NL8003832A NL8003832A NL8003832A NL8003832A NL 8003832 A NL8003832 A NL 8003832A NL 8003832 A NL8003832 A NL 8003832A NL 8003832 A NL8003832 A NL 8003832A NL 8003832 A NL8003832 A NL 8003832A
- Authority
- NL
- Netherlands
- Prior art keywords
- acetic acid
- tetrazolyl
- bromotetrazolyl
- solution
- preparing
- Prior art date
Links
- QTBSBXVTEAMEQO-UHFFFAOYSA-N acetic acid Substances CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 title claims description 167
- 239000003637 basic solution Substances 0.000 title claims description 30
- 238000004519 manufacturing process Methods 0.000 title claims description 18
- 238000000034 method Methods 0.000 title claims description 12
- -1 5-MERCAPTO-TETRAZOLYL Chemical class 0.000 title description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 45
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 36
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 claims description 36
- 239000000243 solution Substances 0.000 claims description 26
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 22
- 229910052794 bromium Inorganic materials 0.000 claims description 22
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 21
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 17
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 16
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 claims description 16
- 239000002904 solvent Substances 0.000 claims description 15
- 239000007787 solid Substances 0.000 claims description 14
- 239000002253 acid Substances 0.000 claims description 10
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 9
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 7
- 238000010992 reflux Methods 0.000 claims description 6
- 150000001335 aliphatic alkanes Chemical class 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- GRWAIJBHBCCLGS-UHFFFAOYSA-N 2-(tetrazol-1-yl)acetic acid Chemical compound OC(=O)CN1C=NN=N1 GRWAIJBHBCCLGS-UHFFFAOYSA-N 0.000 claims 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims 1
- 229910052744 lithium Inorganic materials 0.000 claims 1
- 229960000583 acetic acid Drugs 0.000 description 53
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 27
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 19
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 18
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 15
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 13
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 12
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 9
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 229960004592 isopropanol Drugs 0.000 description 6
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 6
- UOTQEHLQKASWQO-UHFFFAOYSA-N 2-(5-sulfanylidene-2h-tetrazol-1-yl)acetic acid Chemical compound OC(=O)CN1N=NN=C1S UOTQEHLQKASWQO-UHFFFAOYSA-N 0.000 description 5
- 238000001914 filtration Methods 0.000 description 5
- 239000011541 reaction mixture Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 229910052708 sodium Inorganic materials 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- VYPDUQYOLCLEGS-UHFFFAOYSA-M sodium;2-ethylhexanoate Chemical compound [Na+].CCCCC(CC)C([O-])=O VYPDUQYOLCLEGS-UHFFFAOYSA-M 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- QGJOPFRUJISHPQ-UHFFFAOYSA-N Carbon disulfide Chemical compound S=C=S QGJOPFRUJISHPQ-UHFFFAOYSA-N 0.000 description 3
- 229930186147 Cephalosporin Natural products 0.000 description 3
- QXNVGIXVLWOKEQ-UHFFFAOYSA-N Disodium Chemical class [Na][Na] QXNVGIXVLWOKEQ-UHFFFAOYSA-N 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 230000031709 bromination Effects 0.000 description 3
- 238000005893 bromination reaction Methods 0.000 description 3
- 229940124587 cephalosporin Drugs 0.000 description 3
- 150000001780 cephalosporins Chemical class 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 3
- NIQQIJXGUZVEBB-UHFFFAOYSA-N methanol;propan-2-one Chemical compound OC.CC(C)=O NIQQIJXGUZVEBB-UHFFFAOYSA-N 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 150000003536 tetrazoles Chemical class 0.000 description 3
- XOHZHMUQBFJTNH-UHFFFAOYSA-N 1-methyl-2h-tetrazole-5-thione Chemical compound CN1N=NN=C1S XOHZHMUQBFJTNH-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- MZRVEZGGRBJDDB-UHFFFAOYSA-N N-Butyllithium Chemical compound [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 2
- PXIPVTKHYLBLMZ-UHFFFAOYSA-N Sodium azide Chemical compound [Na+].[N-]=[N+]=[N-] PXIPVTKHYLBLMZ-UHFFFAOYSA-N 0.000 description 2
- 239000003242 anti bacterial agent Substances 0.000 description 2
- SLAYUXIURFNXPG-CRAIPNDOSA-N ceforanide Chemical compound NCC1=CC=CC=C1CC(=O)N[C@@H]1C(=O)N2C(C(O)=O)=C(CSC=3N(N=NN=3)CC(O)=O)CS[C@@H]21 SLAYUXIURFNXPG-CRAIPNDOSA-N 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000007865 diluting Methods 0.000 description 2
- 239000012362 glacial acetic acid Substances 0.000 description 2
- 150000002391 heterocyclic compounds Chemical class 0.000 description 2
- 238000004128 high performance liquid chromatography Methods 0.000 description 2
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000001953 recrystallisation Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000011550 stock solution Substances 0.000 description 2
- IYPXPGSELZFFMI-UHFFFAOYSA-N 1-phenyltetrazole Chemical compound C1=NN=NN1C1=CC=CC=C1 IYPXPGSELZFFMI-UHFFFAOYSA-N 0.000 description 1
- KJUGUADJHNHALS-UHFFFAOYSA-N 1H-tetrazole Substances C=1N=NNN=1 KJUGUADJHNHALS-UHFFFAOYSA-N 0.000 description 1
- OKBYPPLWGIVLOC-UHFFFAOYSA-N 5-bromo-1-phenyltetrazole Chemical compound BrC1=NN=NN1C1=CC=CC=C1 OKBYPPLWGIVLOC-UHFFFAOYSA-N 0.000 description 1
- XBWRULFISNEVBP-UHFFFAOYSA-N 5-methyl-1,2-dihydropyrazole-3-thione Chemical compound CC1=CC(S)=NN1 XBWRULFISNEVBP-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 239000005909 Kieselgur Substances 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000005903 acid hydrolysis reaction Methods 0.000 description 1
- 229940088710 antibiotic agent Drugs 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 229960004292 ceforanide Drugs 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000004042 decolorization Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- NTNZTEQNFHNYBC-UHFFFAOYSA-N ethyl 2-aminoacetate Chemical compound CCOC(=O)CN NTNZTEQNFHNYBC-UHFFFAOYSA-N 0.000 description 1
- 125000004494 ethyl ester group Chemical group 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 239000002198 insoluble material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 150000003212 purines Chemical class 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 239000012087 reference standard solution Substances 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 150000004905 tetrazines Chemical class 0.000 description 1
- VLLMWSRANPNYQX-UHFFFAOYSA-N thiadiazole Chemical compound C1=CSN=N1.C1=CSN=N1 VLLMWSRANPNYQX-UHFFFAOYSA-N 0.000 description 1
- 125000003396 thiol group Chemical group [H]S* 0.000 description 1
- 150000003573 thiols Chemical class 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D257/00—Heterocyclic compounds containing rings having four nitrogen atoms as the only ring hetero atoms
- C07D257/02—Heterocyclic compounds containing rings having four nitrogen atoms as the only ring hetero atoms not condensed with other rings
- C07D257/04—Five-membered rings
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Plural Heterocyclic Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Cephalosporin Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/054,743 US4374994A (en) | 1979-07-05 | 1979-07-05 | Process for preparation of 5-mercaptotetrazolyl-1-acetic acid |
| US5474379 | 1979-07-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL8003832A true NL8003832A (nl) | 1981-01-07 |
Family
ID=21993217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL8003832A NL8003832A (nl) | 1979-07-05 | 1980-07-02 | Werkwijze voor het bereiden van een basische oplossing van 5-mercaptotetrazolyl-1-azijnzuur; werkwijze voor het bereiden van 5-broom-tetrazolyl-1-azijnzuur; werkwijze voor het bereiden van 5-mercapto-tetrazolyl- -1-azijnzuur. |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4374994A (da) |
| JP (1) | JPS5610178A (da) |
| CA (1) | CA1145757A (da) |
| CH (2) | CH644852A5 (da) |
| DK (3) | DK157298C (da) |
| FI (1) | FI66855C (da) |
| GR (1) | GR69331B (da) |
| IT (2) | IT1145663B (da) |
| NL (1) | NL8003832A (da) |
| SE (2) | SE448463B (da) |
| YU (1) | YU42340B (da) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110627736B (zh) * | 2019-09-26 | 2020-11-06 | 江苏阿尔法药业有限公司 | 一种1-苯基-5-羟基四氮唑的回收利用方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4297489A (en) * | 1974-09-03 | 1981-10-27 | Bristol-Myers Company | 7-α-Amino-substituted acylamino-3-(1-carboxymethyltetrazol-5-ylthiomethyl)-3-cephem-4-carboxylic acids |
-
1979
- 1979-07-05 US US06/054,743 patent/US4374994A/en not_active Expired - Lifetime
-
1980
- 1980-05-21 CA CA000352344A patent/CA1145757A/en not_active Expired
- 1980-05-28 GR GR62070A patent/GR69331B/el unknown
- 1980-06-06 YU YU1513/80A patent/YU42340B/xx unknown
- 1980-06-26 JP JP8599580A patent/JPS5610178A/ja active Granted
- 1980-06-27 IT IT49102/80A patent/IT1145663B/it active
- 1980-06-27 IT IT49101/80A patent/IT1145662B/it active
- 1980-07-02 FI FI802127A patent/FI66855C/fi not_active IP Right Cessation
- 1980-07-02 NL NL8003832A patent/NL8003832A/nl not_active Application Discontinuation
- 1980-07-04 DK DK291480A patent/DK157298C/da not_active IP Right Cessation
- 1980-07-04 SE SE8004981A patent/SE448463B/sv not_active IP Right Cessation
- 1980-07-04 CH CH517180A patent/CH644852A5/de not_active IP Right Cessation
-
1984
- 1984-02-29 CH CH987/84A patent/CH648026A5/de not_active IP Right Cessation
- 1984-11-16 SE SE8405750A patent/SE454694B/sv not_active IP Right Cessation
-
1986
- 1986-01-10 DK DK011886A patent/DK160493C/da not_active IP Right Cessation
- 1986-01-10 DK DK011986A patent/DK160494C/da not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| IT8049102A0 (it) | 1980-06-27 |
| GR69331B (da) | 1982-05-17 |
| DK160494B (da) | 1991-03-18 |
| SE8004981L (sv) | 1981-01-06 |
| SE454694B (sv) | 1988-05-24 |
| YU42340B (en) | 1988-08-31 |
| YU151380A (en) | 1983-02-28 |
| US4374994A (en) | 1983-02-22 |
| DK160494C (da) | 1991-08-26 |
| DK160493C (da) | 1991-08-26 |
| DK11886A (da) | 1986-01-10 |
| DK157298C (da) | 1990-05-07 |
| JPH0337550B2 (da) | 1991-06-05 |
| CH644852A5 (de) | 1984-08-31 |
| DK160493B (da) | 1991-03-18 |
| DK157298B (da) | 1989-12-04 |
| FI66855B (fi) | 1984-08-31 |
| IT1145663B (it) | 1986-11-05 |
| DK11886D0 (da) | 1986-01-10 |
| FI66855C (fi) | 1984-12-10 |
| DK291480A (da) | 1981-01-06 |
| SE8405750L (sv) | 1984-11-16 |
| CH648026A5 (de) | 1985-02-28 |
| JPS5610178A (en) | 1981-02-02 |
| DK11986D0 (da) | 1986-01-10 |
| FI802127A7 (fi) | 1981-01-06 |
| SE448463B (sv) | 1987-02-23 |
| DK11986A (da) | 1986-01-10 |
| CA1145757A (en) | 1983-05-03 |
| IT8049101A0 (it) | 1980-06-27 |
| SE8405750D0 (sv) | 1984-11-16 |
| IT1145662B (it) | 1986-11-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0354412A2 (de) | Verfahren zur Herstellung von hochreinem Ebselen | |
| Roblin Jr et al. | Studies in Chemotherapy. IV. Sulfanilamidopyrimidines1 | |
| US3316266A (en) | 3-aminopyrazinoic acid derivatives and process for their preparation | |
| NL8003832A (nl) | Werkwijze voor het bereiden van een basische oplossing van 5-mercaptotetrazolyl-1-azijnzuur; werkwijze voor het bereiden van 5-broom-tetrazolyl-1-azijnzuur; werkwijze voor het bereiden van 5-mercapto-tetrazolyl- -1-azijnzuur. | |
| ALDOUS et al. | Synthesis of Diaryloxazoles1-3 | |
| KR0146349B1 (ko) | 5-아미노-1,2,4-트리아졸-3-설폰아미드의 제조방법 | |
| US3474135A (en) | N-(omega-aminoalkylene)-aminoalkyl sulfonic acids | |
| JP2879164B2 (ja) | 置換2―シアノイミダゾール系化合物の製造方法 | |
| US3689502A (en) | Preparation of n-(2-alkylthioethyl) nitroimidazoles | |
| US3997537A (en) | Process of preparing 2-amino-4-hydroxy-5(and/or 6)-alkyl substituted pyrimidines | |
| US3197477A (en) | Allylhydantoins | |
| US2570392A (en) | Halogenation of substituted | |
| RU2067573C1 (ru) | 1,4-диароилтиосемикарбазиды, обладающие диуретической активностью | |
| SU437764A1 (ru) | Способ получени 5 (4)-тиопроизводных имидазола | |
| Heath et al. | 491. 2-Mercaptoglyoxalines. Part IV. Bromination with N-bromosuccinimide. The Reimer–Tiemann reaction | |
| KR830001325B1 (ko) | 비스페놀 술폰 유도체의 제조방법 | |
| JP3006875B2 (ja) | 4―(イミダゾリル―2’)―イミダゾール化合物 | |
| US3063997A (en) | Process for preparing i | |
| KR810000982B1 (ko) | 세팔로스포린 유도체의 제조방법 | |
| KR810000198B1 (ko) | 티크리나펜((ticrynafen))의 제조방법 | |
| KR810001135B1 (ko) | 탈암피실린 염산염의 제조방법 | |
| CS212286B2 (en) | Method of making the molecular compound of betha-diethylaminothylamide of the p- chlorphenoxyvinegar acid with the 4-n-butyl-3,5-diketo-1,2-diphenylpyrazolidine | |
| KR830002897B1 (ko) | 세펨계 항생물질 유도체의 제조방법 | |
| SU761465A1 (ru) | Способ получения производных 5-(|,2,4триазол ил-1 )-1,2,4-триазола | |
| JPS5936977B2 (ja) | 4,4′−ビスフェノ−ルスルホン誘導体の製造方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A85 | Still pending on 85-01-01 | ||
| BA | A request for search or an international-type search has been filed | ||
| BB | A search report has been drawn up | ||
| BC | A request for examination has been filed | ||
| DNT | Communications of changes of names of applicants whose applications have been laid open to public inspection |
Free format text: BRISTOL-MYERS SQUIBB COMPANY |
|
| BV | The patent application has lapsed |