CN100387584C - 一种醋甲唑胺的制备方法 - Google Patents
一种醋甲唑胺的制备方法 Download PDFInfo
- Publication number
- CN100387584C CN100387584C CNB2005100505990A CN200510050599A CN100387584C CN 100387584 C CN100387584 C CN 100387584C CN B2005100505990 A CNB2005100505990 A CN B2005100505990A CN 200510050599 A CN200510050599 A CN 200510050599A CN 100387584 C CN100387584 C CN 100387584C
- Authority
- CN
- China
- Prior art keywords
- methazolamide
- reaction
- crude product
- oxidation
- raw material
- 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.)
- Active
Links
- FLOSMHQXBMRNHR-DAXSKMNVSA-N methazolamide Chemical compound CC(=O)\N=C1/SC(S(N)(=O)=O)=NN1C FLOSMHQXBMRNHR-DAXSKMNVSA-N 0.000 title claims abstract description 39
- 229960004083 methazolamide Drugs 0.000 title claims abstract description 39
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 238000006243 chemical reaction Methods 0.000 claims abstract description 33
- 238000005576 amination reaction Methods 0.000 claims abstract description 18
- 239000012043 crude product Substances 0.000 claims abstract description 17
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 14
- 239000002994 raw material Substances 0.000 claims abstract description 14
- 239000000047 product Substances 0.000 claims abstract description 13
- 230000003647 oxidation Effects 0.000 claims abstract description 12
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 claims abstract description 9
- 230000005494 condensation Effects 0.000 claims abstract description 6
- 238000007670 refining Methods 0.000 claims abstract description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 14
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 12
- 238000005406 washing Methods 0.000 claims description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 7
- 229910052742 iron Inorganic materials 0.000 claims description 7
- -1 5-amino-2-mercapto phenyl Chemical group 0.000 claims description 5
- 238000009833 condensation Methods 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 239000002244 precipitate Substances 0.000 claims description 3
- 230000035484 reaction time Effects 0.000 abstract description 3
- 238000007069 methylation reaction Methods 0.000 abstract description 2
- GDGIVSREGUOIJZ-UHFFFAOYSA-N 5-amino-3h-1,3,4-thiadiazole-2-thione Chemical compound NC1=NN=C(S)S1 GDGIVSREGUOIJZ-UHFFFAOYSA-N 0.000 abstract 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 abstract 1
- 239000005708 Sodium hypochlorite Substances 0.000 abstract 1
- 230000021736 acetylation Effects 0.000 abstract 1
- 238000006640 acetylation reaction Methods 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 238000006482 condensation reaction Methods 0.000 abstract 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 abstract 1
- 230000011987 methylation Effects 0.000 abstract 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 11
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- LGRLWUINFJPLSH-UHFFFAOYSA-N methanide Chemical compound [CH3-] LGRLWUINFJPLSH-UHFFFAOYSA-N 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- 238000003756 stirring Methods 0.000 description 7
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 6
- 229910052801 chlorine Inorganic materials 0.000 description 6
- 239000000460 chlorine Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 238000002425 crystallisation Methods 0.000 description 5
- DLFVBJFMPXGRIB-UHFFFAOYSA-N Acetamide Chemical compound CC(N)=O DLFVBJFMPXGRIB-UHFFFAOYSA-N 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 4
- 230000008025 crystallization Effects 0.000 description 4
- 238000000967 suction filtration Methods 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 229940122072 Carbonic anhydrase inhibitor Drugs 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 229960000583 acetic acid Drugs 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 230000001384 anti-glaucoma Effects 0.000 description 2
- 239000003489 carbonate dehydratase inhibitor Substances 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 239000012362 glacial acetic acid Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 201000002862 Angle-Closure Glaucoma Diseases 0.000 description 1
- 208000010412 Glaucoma Diseases 0.000 description 1
- FLOSMHQXBMRNHR-UHFFFAOYSA-N N-(3-methyl-5-sulfamoyl-1,3,4-thiadiazol-2-ylidene)acetamide Chemical compound CC(=O)N=C1SC(S(N)(=O)=O)=NN1C FLOSMHQXBMRNHR-UHFFFAOYSA-N 0.000 description 1
- 206010030348 Open-Angle Glaucoma Diseases 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- RCJVRSBWZCNNQT-UHFFFAOYSA-N dichloridooxygen Chemical compound ClOCl RCJVRSBWZCNNQT-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 230000004410 intraocular pressure Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Landscapes
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Nitrogen- Or Sulfur-Containing Heterocyclic Ring Compounds With Rings Of Six Or More Members (AREA)
Abstract
Description
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2005100505990A CN100387584C (zh) | 2005-07-05 | 2005-07-05 | 一种醋甲唑胺的制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2005100505990A CN100387584C (zh) | 2005-07-05 | 2005-07-05 | 一种醋甲唑胺的制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1724522A CN1724522A (zh) | 2006-01-25 |
CN100387584C true CN100387584C (zh) | 2008-05-14 |
Family
ID=35924167
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2005100505990A Active CN100387584C (zh) | 2005-07-05 | 2005-07-05 | 一种醋甲唑胺的制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN100387584C (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114716391B (zh) * | 2022-04-24 | 2023-12-12 | 杭州仟源保灵药业有限公司 | 一种醋甲唑胺杂质及其制备方法和应用 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB795174A (en) * | 1954-10-13 | 1958-05-21 | Upjohn Co | Heterocyclic sulphonamides |
US5157044A (en) * | 1983-02-04 | 1992-10-20 | University Of Iowa Research Foundation | Analogs of carbonic anhydrase inhibitors and their use as topical IOP inhibitors |
-
2005
- 2005-07-05 CN CNB2005100505990A patent/CN100387584C/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB795174A (en) * | 1954-10-13 | 1958-05-21 | Upjohn Co | Heterocyclic sulphonamides |
US5157044A (en) * | 1983-02-04 | 1992-10-20 | University Of Iowa Research Foundation | Analogs of carbonic anhydrase inhibitors and their use as topical IOP inhibitors |
Also Published As
Publication number | Publication date |
---|---|
CN1724522A (zh) | 2006-01-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN108658858A (zh) | 一种羟氯喹的制备和精制方法及其硫酸盐的制备方法 | |
NO340420B1 (no) | Metode for fremstilling av 1-(3-(2-(1-benzotiofen-5-yl)-etoksy)propyl)azetidin-3-ol eller salter derav | |
AU2014381760B2 (en) | Method for producing (R)-1,1,3-trimethyl-4-aminoindane | |
CN108047077B (zh) | 一种奥司他韦手性杂质的制备方法 | |
CN104844585A (zh) | 一种制备依匹哌唑的方法 | |
CN105399736A (zh) | 一种依匹哌唑新的制备方法 | |
CN108623486A (zh) | 一种沙丁胺醇中间体ⅴ盐酸盐的制备方法 | |
CN106632267A (zh) | 一种伏立康唑的合成方法 | |
CN100387584C (zh) | 一种醋甲唑胺的制备方法 | |
CN105348184B (zh) | 一种柳氮磺吡啶的制备方法 | |
CN103613562A (zh) | 一种普拉克索的制备方法 | |
CN105440054A (zh) | 一种制备高纯度头孢硫脒的工艺 | |
CN112679364B (zh) | 一种达沙替尼关键原料2-氯-6-甲基苯胺的合成方法 | |
CN109836425B (zh) | 一种合成培美酸的制备工艺 | |
CN107936006A (zh) | 一种利伐沙班的合成方法 | |
CN113307767A (zh) | 一种乐伐替尼的合成方法 | |
CN107722042B (zh) | 一种氟氧头孢母核的合成方法 | |
CN109574951A (zh) | 一种非布索坦的制备方法 | |
CN101786964B (zh) | 一种奥沙拉秦钠的合成方法 | |
CN102976980B (zh) | 丙磺舒纯化方法 | |
CN100413875C (zh) | 2-脱氧-n-苯基戊糖胺的生产方法 | |
CN103524449B (zh) | 一种2-氨基-n-(2-氯-6-甲基苯基)噻唑-5-甲酰胺的合成方法 | |
CN1174969C (zh) | N-(1,1-二甲基乙基)-4-[[5′-乙氧基-4-顺-[2-(4-吗啉代)乙氧基]-2′-氧代螺[环己烷-1,3′-[3h]吲哚-1′(2′h)基]-磺酰基]-3-甲氧基苯甲酰胺及其盐的新制备方法 | |
US2339083A (en) | Production of sulphathiazole | |
US20050014739A1 (en) | Aztreonam beta polymorph with very low residual solvent content |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hangzhou Aoyi Baoling Pharmaceutical Co., Ltd. Assignor: Hangzhou Baoling Co., Ltd. Contract fulfillment period: 2008.8.6 to 2025.7.5 Contract record no.: 2008330002016 Denomination of invention: Preparation method of methazolamide Granted publication date: 20080514 License type: Exclusive license Record date: 20081114 |
|
LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.8.6 TO 2025.7.5; CHANGE OF CONTRACT Name of requester: HANGZHOU AOYI BAOLING PHARMACEUTICAL CO., LTD. Effective date: 20081114 |
|
C56 | Change in the name or address of the patentee |
Owner name: HANGZHOU BAOLING GROUP CO.,LTD. Free format text: FORMER NAME: HANGZHOU BAO LING CO., LTD. |
|
CP03 | Change of name, title or address |
Address after: Hangzhou City, Zhejiang Province, Gongshu District Baolinglu No. 5 Patentee after: Hangzhou Pollen Group Co.,Ltd. Address before: Hangzhou City, Zhejiang province Baolinglu No. 5 Patentee before: Hangzhou Baoling Co., Ltd. |
|
EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Hangzhou Aoyi Baoling Pharmaceutical Co., Ltd. Assignor: Hangzhou Baoling Co., Ltd. Contract record no.: 2008330002016 Date of cancellation: 20160525 |
|
LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20160621 Address after: 310000 No. 23, No. 668, Hangzhou economic and Technological Development Zone, Hangzhou, Zhejiang Patentee after: Hangzhou Aoyi Baoling Pharmaceutical Co., Ltd. Address before: Hangzhou City, Zhejiang Province, Gongshu District Baolinglu No. 5 310022 Patentee before: Hangzhou Pollen Group Co.,Ltd. |
|
CP03 | Change of name, title or address | ||
CP03 | Change of name, title or address |
Address after: 310018 no.668, No.23 street, Hangzhou Economic and Technological Development Zone, Hangzhou, Zhejiang Province Patentee after: Hangzhou Qianyuan Baoling Pharmaceutical Co., Ltd Address before: 310000 No. 23, No. 668, Hangzhou economic and Technological Development Zone, Hangzhou, Zhejiang Patentee before: HANGZHOU AOYIPOLLEN PHARMACEUTICAL Co.,Ltd. |