TW200823210A - Process for preparing pradofloxacin - Google Patents
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- TW200823210A TW200823210A TW096139086A TW96139086A TW200823210A TW 200823210 A TW200823210 A TW 200823210A TW 096139086 A TW096139086 A TW 096139086A TW 96139086 A TW96139086 A TW 96139086A TW 200823210 A TW200823210 A TW 200823210A
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- cyclopropyl
- dioxabicyclo
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
- C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
- C07D471/04—Ortho-condensed systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/04—Antibacterial agents
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Communicable Diseases (AREA)
- Pharmacology & Pharmacy (AREA)
- Oncology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Description
200823210 九、發明說明: 【發明所屬之技術領域】 本發明關於一種用於製備普多沙星之改良的方法,其中第7 位置中之取代基係藉由吼咯烷酮-乙醇溶劑混合物中之親核性取 5 代反應引入。 【先前技術】 式(I)之喳諾酮抗生素普多沙星 10
OH (I) 15及其製備方式已揭示於wo wmooi。特殊的前驅體、中間物 及早期的處理步驟揭示於WO 98/47862及wo 99/06360。 於製備方法中之關鍵步驟為在親核性取代反應中之對應的 7-鹵氰基-氟喳諾酮羧酸,尤其式(II)之7-氣-8-氰基-1·環丙基-6- 氟-M-二氫-4-側氧基-3-4°林叛酸
96575-發明說明書 200823210 與式(III)之(lS,6S)-2,8-二吖雙環[4.3.0]壬烷(亦稱為s s 氫吼啶) 一咯六 5
(III) 之反應。已知此等親核性取代反應較佳係於極性非質子:容~_ 進行。舉例來說,WO 97/31001提出一般形式的溶劑,包I二 甲基亞砜、N,N-二曱基甲醯胺、N-曱基吡咯烷酮、六甲基鱗酸 1〇 胺、環丁石風(sulfolane)及乙腈,係用於對應的反應;醇類,例如 曱醇、乙醇、正丙醇、異丙醇及類似物作為用於此等目的之溶 劑0 【發明内容】 15 頃令人驚訝地發現,用於此反應之特別適合的溶劑為N-曱 基吡咯烷酮與乙醇之混合物。 本發明關於一種製備式(I)之4諾酮抗生素普多沙星之方法
係視情況於鹼類存在下,藉由使式(11)之7_氯-8-氰基_丨_環丙基 6 96575-發明說明書 200823210 -6-氟-1,4-二氫-4-側氧基-3-喳啉羧酸
與式(III)之(1S,6S)_2,8-二吖雙環[4·3·0]壬烷(亦稱為吡咯六氫吡 咬)
H ⑽ 於N-曱基吡咯烷g同與乙醇之溶劑混合物中進行反應。 15 一般而言,溶劑混合物含有至少20重量%乙醇。特佳者為 含有至少50重量◦/❻乙醇之混合物。混合物較佳含有不超過95 重量%乙醇。特佳者為含有70至90重量%乙醇之混合物。 就(1S,6S)_2,8-二吖雙環[4·3·0]壬烧之比例而言,WO 97/31001指出廣泛的範圍,其範圍為從等莫耳含量至高度過量 20 之(1S,6S)-2,8·二吖雙環[4.3.0]壬烷。於可工業級規模之合成的發 展中,熟習本技藝之人士將依慣例選擇過量的(1S,6S)_2,8-二吖 雙環[4·3·0]壬燒:(lS,6S)-2,8-二吖雙環[4.3.0]壬烷具有二個基礎 環氮原子’二者可親核性地與7-氯-8-氰基-1-環丙基-6-氟-1,4-二氮-4-侧氧基奎唯羧酸反應。於太低量的(ls,6S)-2,8-二吖雙 7 96575-發明說明書 200823210 環[4·3·〇]壬烷之例子中,熟習本技藝之人士因而將預期透過 (18,68)-2,8-二<雙環[4.3.0]壬烷的第二環氮原子與7-氯-8-氰基 -1_環丙基_6_氟-1,4-二氫_4_侧氧基_3_喳啡羧酸的另一分子的鏈 節作用將形成不想要的副產物。 5 10 15 20 意外地,頃發現特佳為使用(1S,6S>2,8-二吖雙環[4·3·0]壬烧 相對於7-氯-8-氰基-1_環丙基-6-氟-1,4-二氫-4-侧氧基-3-4π林羧 酸僅為少許莫耳過量,通常為L01至h3〇倍,較佳為1〇5至 1·25倍,其中莫耳用量係以7-氯_8-氰基-1-環丙基_6_氟-i,4-二氫 -4-侧氧基-3-喳啉羧酸的用量為基準。 (lS,6S)-2,8-二吖雙環[4·3·〇]壬烷與7_氯氰基-;μ環丙基·6_ 氟_1,4_二氫-4-侧氧基-3-喳唯羧酸之反應係於一種與所形成的酸 鍵結之鹼類存在下進行。此種鹼類可為例如(ls,6s)-2介二吖雙 環[4.3.0]壬烧之過量(基於上述理由,是較不佳的)。使用無機ς 有機驗通常是可能的。此等包含例如驗金屬氫氧化物、驗金屬 碳酸鹽、有機胺絲。較佳者財機驗類,尤其三級胺。特別 適合的實例包含:丫雙環[2·2.2]辛邮ABC0)、18_ 雙環[5.4.0]十-.7-烯(DBU)、三乙基胺、三丁基胺以及尤其二里 可於廣泛的溫度範圍〇至20(rc,較佳為2〇至 反應。反應猶胁鮮壓力行,但在升 丁 巴,較佳為1至10巴)之效能是可理解的。 υ〇 於本發明之條件下,可以極佳良率 一 佳純度製得❹沙星、純化最終產物的 ^彳了,應’以極 通常不需進-步的純化步驟n在1卩明顯地降低、 一在工業規模之製程中,此等 %575·發明說明骞 8 200823210 優點特別顯著。 普多沙星為一種高效的新穎喳諾酮抗生素;其抗菌作用及 徵兆、使用形式及適合的調配物已揭示於先前技藝中;請參照 例如 WO 97/31001、WO 03/007995、WO 03/101422、WO 5 04/082658、WO 05/01864卜 WO 05/044271 及 WO 06/061156。 【實施方式】 實施例 於乙醇與义曱基吡咯烷酮(80/20重量/重量)之混合物中,伴 ίο隨著添加過量的二異丙基乙基胺,使1〇〇克7-氯各氰基+環丙 基-6-氟-I,4·二氫I侧氧基_3“奎啉羧酸與48克(lS,6S)-2,8-二吖 雙環[4.3.0]壬烷於升溫下(>70。〇反應。於冷卻之後,可得到理 論值之9〇°/。產率。 15 96575_發明說明書 9
Claims (1)
- 200823210 , 十、申請專利範圍: 1.一種製備式(I)之普多沙星之方法 〇〇 (I) 10 係選擇性地於鹼類存在下,藉由使式(II)之7-氯-8-氰基-1-環 丙基-6-氟-1,4-二氳-4-側氧基-3-4^林魏酸與式(III)之(lS,6S)-2,8-二吖雙環[4.3.0]壬烷 20Η NH (ΠΙ) 於Ν-甲基吡咯烷酮與乙醇之溶劑混合物中進行反應。 2.如申請專利範圍第1項之方法,其中該溶劑混合物含有至少 10 96575-發明說明書 200823210 50重量%乙醇。 3.如申請專利範圍第1項之方法,其中式(III)之(lS,6S)-2,8-二 吖雙環[4·3·0]壬烷相對於(II)之7-氯-8-氰基-1-環丙基-6-氟 -1,4-二氫-4-侧氧基-3-喳咁羧酸之使用的莫耳比例為1 ·· 1.01 至 1 : 1.30。 11 96575-發明說明書 200823210 七、指定代表圖·· (一) 本案指定代表圖為:第(無)圖。 (二) 本代表圖之元件符號簡單說明: 5 無 八、本案若有化學式時,請揭示最能顯示發明特徵的化學式:4 96575-發明說明書
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006049520A DE102006049520A1 (de) | 2006-10-20 | 2006-10-20 | Verfahren zur Herstellung von Pradofloxacin |
Publications (1)
Publication Number | Publication Date |
---|---|
TW200823210A true TW200823210A (en) | 2008-06-01 |
Family
ID=38982832
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW096139086A TW200823210A (en) | 2006-10-20 | 2007-10-19 | Process for preparing pradofloxacin |
Country Status (22)
Country | Link |
---|---|
US (1) | US8497377B2 (zh) |
EP (1) | EP2086976B1 (zh) |
JP (2) | JP5830221B2 (zh) |
AR (1) | AR063227A1 (zh) |
AT (1) | ATE509930T1 (zh) |
AU (1) | AU2007312599B2 (zh) |
BR (1) | BRPI0718480B8 (zh) |
CA (1) | CA2666932C (zh) |
CL (1) | CL2007003007A1 (zh) |
DE (1) | DE102006049520A1 (zh) |
DK (1) | DK2086976T3 (zh) |
ES (1) | ES2365637T3 (zh) |
MX (1) | MX2009003200A (zh) |
NZ (1) | NZ576333A (zh) |
PE (1) | PE20081466A1 (zh) |
PL (1) | PL2086976T3 (zh) |
PT (1) | PT2086976E (zh) |
SI (1) | SI2086976T1 (zh) |
TW (1) | TW200823210A (zh) |
UY (1) | UY30646A1 (zh) |
WO (1) | WO2008046532A1 (zh) |
ZA (1) | ZA200902530B (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006049520A1 (de) * | 2006-10-20 | 2008-04-24 | Bayer Healthcare Ag | Verfahren zur Herstellung von Pradofloxacin |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
PT882049E (pt) | 1996-02-23 | 2003-04-30 | Bayer Ag | Acidos 8-ciano-1-ciclopropil-7-(2,8-diazabiciclo-¬4.3.0|nonan-8-il)-6-fluoro-1,4-dihidro-4-oxo-quinolino-carboxilicos eventualmente substituidos e seus derivados |
DE19717231A1 (de) | 1997-04-24 | 1998-10-29 | Bayer Ag | 3-Cyano-2,4,5-trifluor-benzoylfluorid |
DE19733243A1 (de) * | 1997-08-01 | 1999-02-04 | Bayer Ag | Verfahren zur Herstellung von 3-Cyano-2,4-dihalogen-5-fluor-benzoesäure |
DE19854357A1 (de) * | 1998-11-25 | 2000-05-31 | Bayer Ag | Semi-Hydrochlorid von 8-Cyan-1-cyclopropyl-7-(1S,6S-2,8-diazabicyclo/4.3.0/ -nonan-8-yl)-6-fluor-1,4-dihydro-4-oxo-3-chinolincarbonsäure |
DE19854355A1 (de) * | 1998-11-25 | 2000-05-31 | Bayer Ag | Kristallmodifikation B von 8-Cyan-1-cyclopropyl-7-(1S, 6S-2,8-diazabicyclo-/4.3.O/nonan-8-yl)-6-fluor-1,4-dihydro-4-oxo-3-chinolincarbonsäure |
DE19908449A1 (de) * | 1999-02-26 | 2000-08-31 | Bayer Ag | Kristallmodifikation C von 8-Cyan-1-cyclopropyl-7-(1S,6S-2,8-diazabicylo-[4.3.0]nonan-8-yl)-6-fluor-1,4-dihydro-4-oxo-3-chino/incarbonsäure |
DE10134719A1 (de) | 2001-07-17 | 2003-02-06 | Bayer Ag | Pharmazeutische Zubereitungen enthaltend wirkstoffbeladene Ionentauscherharze |
DE10224086A1 (de) | 2002-05-31 | 2003-12-11 | Bayer Ag | Pharmazeutische Zubereitungen zur oralen Anwendung enthaltend wirkstoffbeladene Ionentauscherharze sowie strukturviskose Gelbildner als Verdicker |
DE10312346A1 (de) | 2003-03-20 | 2004-09-30 | Bayer Healthcare Ag | Kontrolliertes Freisetzungssystem |
DE10337191A1 (de) | 2003-08-13 | 2005-03-17 | Bayer Healthcare Ag | Neue Verwendung von Chinolon-Antibiotika |
DE10351448A1 (de) | 2003-11-04 | 2005-06-09 | Bayer Healthcare Ag | Geschmackstoffhaltige Arzneimittelformulierungen mit verbesserten pharmazeutischen Eigenschaften |
DE102005055385A1 (de) | 2004-12-09 | 2006-06-14 | Bayer Healthcare Ag | Arzneimittel zur hygienischen Applikation im Ohr |
DE102006049520A1 (de) * | 2006-10-20 | 2008-04-24 | Bayer Healthcare Ag | Verfahren zur Herstellung von Pradofloxacin |
-
2006
- 2006-10-20 DE DE102006049520A patent/DE102006049520A1/de not_active Withdrawn
-
2007
- 2007-10-06 AT AT07818763T patent/ATE509930T1/de active
- 2007-10-06 NZ NZ576333A patent/NZ576333A/en unknown
- 2007-10-06 WO PCT/EP2007/008687 patent/WO2008046532A1/de active Application Filing
- 2007-10-06 AU AU2007312599A patent/AU2007312599B2/en active Active
- 2007-10-06 SI SI200730677T patent/SI2086976T1/sl unknown
- 2007-10-06 MX MX2009003200A patent/MX2009003200A/es active IP Right Grant
- 2007-10-06 DK DK07818763.0T patent/DK2086976T3/da active
- 2007-10-06 PL PL07818763T patent/PL2086976T3/pl unknown
- 2007-10-06 ES ES07818763T patent/ES2365637T3/es active Active
- 2007-10-06 CA CA2666932A patent/CA2666932C/en active Active
- 2007-10-06 PT PT07818763T patent/PT2086976E/pt unknown
- 2007-10-06 BR BRPI0718480A patent/BRPI0718480B8/pt active IP Right Grant
- 2007-10-06 EP EP07818763A patent/EP2086976B1/de active Active
- 2007-10-06 JP JP2009532704A patent/JP5830221B2/ja active Active
- 2007-10-07 US US12/442,680 patent/US8497377B2/en active Active
- 2007-10-10 AR ARP070104475A patent/AR063227A1/es unknown
- 2007-10-16 UY UY30646A patent/UY30646A1/es not_active Application Discontinuation
- 2007-10-19 CL CL200703007A patent/CL2007003007A1/es unknown
- 2007-10-19 PE PE2007001419A patent/PE20081466A1/es not_active Application Discontinuation
- 2007-10-19 TW TW096139086A patent/TW200823210A/zh unknown
-
2009
- 2009-04-14 ZA ZA200902530A patent/ZA200902530B/xx unknown
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2015
- 2015-09-01 JP JP2015171904A patent/JP2016028055A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
PT2086976E (pt) | 2011-07-27 |
CA2666932C (en) | 2015-03-10 |
AU2007312599A1 (en) | 2008-04-24 |
BRPI0718480B1 (pt) | 2021-04-13 |
DE102006049520A1 (de) | 2008-04-24 |
ATE509930T1 (de) | 2011-06-15 |
WO2008046532A1 (de) | 2008-04-24 |
ZA200902530B (en) | 2010-07-28 |
CA2666932A1 (en) | 2008-04-24 |
JP5830221B2 (ja) | 2015-12-09 |
EP2086976A1 (de) | 2009-08-12 |
PL2086976T3 (pl) | 2011-10-31 |
DK2086976T3 (da) | 2011-09-05 |
ES2365637T3 (es) | 2011-10-07 |
US20090318700A1 (en) | 2009-12-24 |
JP2010506865A (ja) | 2010-03-04 |
BRPI0718480A2 (pt) | 2014-02-18 |
BRPI0718480B8 (pt) | 2022-09-20 |
EP2086976B1 (de) | 2011-05-18 |
NZ576333A (en) | 2011-12-22 |
AR063227A1 (es) | 2009-01-14 |
AU2007312599B2 (en) | 2013-11-14 |
MX2009003200A (es) | 2009-04-07 |
SI2086976T1 (sl) | 2011-09-30 |
US8497377B2 (en) | 2013-07-30 |
UY30646A1 (es) | 2008-05-31 |
JP2016028055A (ja) | 2016-02-25 |
PE20081466A1 (es) | 2008-12-18 |
CL2007003007A1 (es) | 2008-04-04 |
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