HK1002730A1 - Process for selectively producing hydrate crystals - Google Patents

Process for selectively producing hydrate crystals

Info

Publication number
HK1002730A1
HK1002730A1 HK98101536A HK98101536A HK1002730A1 HK 1002730 A1 HK1002730 A1 HK 1002730A1 HK 98101536 A HK98101536 A HK 98101536A HK 98101536 A HK98101536 A HK 98101536A HK 1002730 A1 HK1002730 A1 HK 1002730A1
Authority
HK
Hong Kong
Prior art keywords
methyl
selectively producing
hydrate crystals
producing hydrate
benzoxazine
Prior art date
Application number
HK98101536A
Other languages
English (en)
Inventor
Yukio Sato
Atsushi Sato
Tatsuro Sumikawa
Tazuo Uemura
Original Assignee
Daiichi Seiyaku Co
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.)
Filing date
Publication date
Application filed by Daiichi Seiyaku Co filed Critical Daiichi Seiyaku Co
Publication of HK1002730A1 publication Critical patent/HK1002730A1/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D498/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms
    • C07D498/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms in which the condensed system contains two hetero rings
    • C07D498/06—Peri-condensed systems

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
HK98101536A 1990-03-01 1998-02-27 Process for selectively producing hydrate crystals HK1002730A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5045490 1990-03-01

Publications (1)

Publication Number Publication Date
HK1002730A1 true HK1002730A1 (en) 1998-09-11

Family

ID=12859314

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98101536A HK1002730A1 (en) 1990-03-01 1998-02-27 Process for selectively producing hydrate crystals

Country Status (13)

Country Link
US (1) US5545737A (fr)
EP (1) EP0444678B1 (fr)
KR (1) KR970000045B1 (fr)
AT (1) ATE157666T1 (fr)
DE (1) DE69127485T2 (fr)
ES (1) ES2106739T3 (fr)
GR (1) GR3025276T3 (fr)
HK (1) HK1002730A1 (fr)
IE (1) IE910692A1 (fr)
IN (1) IN172207B (fr)
PT (1) PT96917B (fr)
TW (1) TW208013B (fr)
YU (1) YU48328B (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA946853B (en) * 1993-09-10 1995-04-24 Daiichi Seiyaku Co Crystals of antimicrobial compound.
PE20011065A1 (es) 2000-02-01 2001-11-21 Procter & Gamble Proceso para fabricar bisfosfonatos geminales
PE20011061A1 (es) 2000-02-01 2001-11-20 Procter & Gamble Cristalizacion selectiva del acido 3-piridil-1-hidroxi-etiliden-1,1-bisfosfonico sodio como el hemipentahidrato o el monohidrato
US7425628B2 (en) * 2001-10-03 2008-09-16 Teva Pharmaceutical Industries Ltd. Methods for the purification of levofloxacin
WO2003028665A2 (fr) 2001-10-03 2003-04-10 Teva Pharmaceutical Industries Ltd. Techniques de purification de la lévofloxacine
AU2002365416A1 (en) * 2001-11-29 2003-06-10 Teva Pharmaceutical Industries Ltd. Methods for the purification of levofloxacin
CN1735620A (zh) * 2002-12-16 2006-02-15 兰贝克赛实验室有限公司 纯的左氧氟沙星半水合物和它的制备方法
KR100704641B1 (ko) * 2004-07-21 2007-04-06 주식회사유한양행 고순도의 레보플록사신 제조방법
US7678903B2 (en) * 2004-09-17 2010-03-16 Matrix Laboratories Limited Process for the preparation of levofloxacin hemihydrate
US20070244318A1 (en) * 2004-11-08 2007-10-18 Rao Davuluri R Process for the Preparation of Levofloxacin Hemihydrate
ES2255871B1 (es) * 2004-12-31 2007-08-16 Quimica Sintetica, S.A. Procedimiento para la obtencion de levofloxacino exento de sales.
CN1321121C (zh) * 2005-04-21 2007-06-13 浙江医药股份有限公司新昌制药厂 左氧氟沙星制备及后处理方法
US7964723B2 (en) * 2008-08-02 2011-06-21 Apeloa-Kangyu And practical process for exclusively producing (S)-9-fluoro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-2,3-dihydro-7H-pyrido-[1,2,3,de][1,4]benzoxazine-6-carboxylic acid hemihydrate
CN101863904A (zh) * 2010-07-08 2010-10-20 浙江东亚药业有限公司 一种高纯度左氧氟沙星半水合物的制备方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE203719C (fr) * 1907-11-02 1908-10-20
JPS5746986A (en) * 1980-09-02 1982-03-17 Dai Ichi Seiyaku Co Ltd Pyrido(1,2,3-de)(1,4)benzoxazine derivative
JPS57131769A (en) * 1981-02-10 1982-08-14 Kissei Pharmaceut Co Ltd 4-(1-imidazolylmethyl)cinnamic acid hydrochloride monohydrate, its preparation and drug containing the same
JPS5843977A (ja) * 1981-09-09 1983-03-14 Dai Ichi Seiyaku Co Ltd ピリドベンズオキサジン誘導体の製法
JPS60226855A (ja) * 1984-04-26 1985-11-12 Nippon Kayaku Co Ltd Ｎ−ベンジルオキシカルボニル−ｌ−スレオニンアミド・１／２水和物およびその製造法
ZA864518B (en) * 1985-06-20 1987-03-25 Daiichi Seiyaku Co Optically active pyridobenzoxazine derivatives and intermediates thereof
NO166131C (no) * 1985-06-20 1991-06-05 Daiichi Seiyaku Co Analogifremgangsmaate for fremstilling av s(-)-pyridobenzoksazinforbindelser.
MY104139A (en) * 1988-08-09 1994-02-28 Daiichi Seiyaku Co Antimicrobial agent for animals
FI82240C (fi) * 1988-10-20 1991-02-11 Huhtamaeki Oy Foerfarande foer framstaellning av farmakologiskt vaerdefullt s-timolol-hemihydrat.
MTP1076B (en) * 1990-01-12 1991-09-30 Ciba Geigy Ag Hemihydrate

Also Published As

Publication number Publication date
ES2106739T3 (es) 1997-11-16
GR3025276T3 (en) 1998-02-27
ATE157666T1 (de) 1997-09-15
DE69127485T2 (de) 1998-04-02
EP0444678B1 (fr) 1997-09-03
PT96917A (pt) 1991-10-31
US5545737A (en) 1996-08-13
IE910692A1 (en) 1991-09-11
TW208013B (fr) 1993-06-21
IN172207B (fr) 1993-05-01
PT96917B (pt) 1998-07-31
KR970000045B1 (ko) 1997-01-04
KR910016748A (ko) 1991-11-05
DE69127485D1 (de) 1997-10-09
YU48328B (sh) 1998-05-15
YU35491A (sh) 1994-04-05
EP0444678A1 (fr) 1991-09-04

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Legal Events

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PF Patent in force
PE Patent expired

Effective date: 20110227