HK32793A - Substantially anhydrous crystalline cefadroxil and method for producing it - Google Patents

Substantially anhydrous crystalline cefadroxil and method for producing it

Info

Publication number
HK32793A
HK32793A HK327/93A HK32793A HK32793A HK 32793 A HK32793 A HK 32793A HK 327/93 A HK327/93 A HK 327/93A HK 32793 A HK32793 A HK 32793A HK 32793 A HK32793 A HK 32793A
Authority
HK
Hong Kong
Prior art keywords
cefadroxil
substantially anhydrous
anhydrous crystalline
producing
crystalline cefadroxil
Prior art date
Application number
HK327/93A
Other languages
English (en)
Inventor
Leonardo Marsili
Original Assignee
Rifar Srl
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 Rifar Srl filed Critical Rifar Srl
Publication of HK32793A publication Critical patent/HK32793A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D501/00—Heterocyclic compounds containing 5-thia-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:, e.g. cephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
    • C07D501/14—Compounds having a nitrogen atom directly attached in position 7
    • C07D501/16—Compounds having a nitrogen atom directly attached in position 7 with a double bond between positions 2 and 3
    • C07D501/20—7-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids
    • C07D501/22—7-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids with radicals containing only hydrogen and carbon atoms, attached in position 3
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D501/00—Heterocyclic compounds containing 5-thia-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:, e.g. cephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
    • C07D501/02—Preparation
    • C07D501/12—Separation; Purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Cephalosporin Compounds (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
HK327/93A 1987-06-17 1993-04-01 Substantially anhydrous crystalline cefadroxil and method for producing it HK32793A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB878714180A GB8714180D0 (en) 1987-06-17 1987-06-17 Anhydrous crystalline cefadroxil
US07/825,737 US5329001A (en) 1987-06-17 1992-01-27 Substantially anhydrous crystalline cefadroxil and method for producing it

Publications (1)

Publication Number Publication Date
HK32793A true HK32793A (en) 1993-04-08

Family

ID=26292369

Family Applications (1)

Application Number Title Priority Date Filing Date
HK327/93A HK32793A (en) 1987-06-17 1993-04-01 Substantially anhydrous crystalline cefadroxil and method for producing it

Country Status (21)

Country Link
US (1) US5329001A (de)
EP (1) EP0295333B1 (de)
JP (1) JPS63316785A (de)
KR (1) KR950011744B1 (de)
CN (1) CN1022922C (de)
AT (1) ATE78257T1 (de)
AU (1) AU595410B2 (de)
CA (1) CA1339213C (de)
DE (1) DE3780454T2 (de)
DK (1) DK680487A (de)
ES (1) ES2051724T3 (de)
FI (1) FI87787C (de)
GB (1) GB8714180D0 (de)
GR (1) GR3005733T3 (de)
HK (1) HK32793A (de)
NO (1) NO168360C (de)
PH (1) PH24594A (de)
PT (1) PT86525B (de)
SU (1) SU1595340A3 (de)
YU (1) YU44650B (de)
ZA (1) ZA879700B (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4898938A (en) * 1987-08-03 1990-02-06 Rifar S.R.L. Method for preparing crystalline cefadroxil monohydrate
CZ2004531A3 (cs) 2001-10-24 2004-10-13 Sepracorźáinc Způsob štěpení amlodipinového racemátu
US20040077849A1 (en) * 2002-10-16 2004-04-22 Orchid Chemicals & Pharmaceuticals Limited Process for the preparation of cefadroxil
CN1311830C (zh) * 2004-02-27 2007-04-25 石药集团中奇制药技术（石家庄）有限公司 头孢羟氨苄口腔崩解片及其制备方法
EP2024374A1 (de) 2006-05-19 2009-02-18 DSMIP Assets B.V. Verfahren zum kristallisieren von cefadroxil
CN102134250B (zh) * 2011-01-19 2013-03-13 天津大学 一种头孢羟氨苄单水合物的结晶方法及结晶
CN105534937B (zh) * 2015-12-30 2019-12-03 石药集团欧意药业有限公司 一种头孢羟氨苄片剂及其制备方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2163514A1 (de) * 1971-12-21 1973-07-05 Toyama Chemical Co Ltd Verfahren zur herstellung von cephalosporinen
BE793191A (fr) * 1971-12-28 1973-06-22 Toyama Chemical Co Ltd Procede pour produire des acides 7-acylamido-3-cephem-4- carboxyliques
US3985741A (en) * 1972-09-15 1976-10-12 Bristol-Myers Company Production of p-hydroxycephalexin
GB1532682A (en) * 1976-04-27 1978-11-22 Bristol Myers Co Process for the preparation of cephadroxil
DE3313818A1 (de) * 1983-04-16 1984-10-18 Hoechst Ag, 6230 Frankfurt Neue kristallmodifikation von ceftazidim
JPS60231683A (ja) * 1984-05-02 1985-11-18 Teijin Ltd セフアロスポリン誘導体その製造法及びそれを有効成分とする抗菌剤
US4904776A (en) * 1987-04-24 1990-02-27 Rifar S.R.L. Method for producing crystalline cefadroxil hemihydrate

Also Published As

Publication number Publication date
PT86525A (en) 1989-05-31
NO880027L (no) 1988-12-19
SU1595340A3 (ru) 1990-09-23
DE3780454D1 (de) 1992-08-20
PH24594A (en) 1990-08-17
EP0295333B1 (de) 1992-07-15
GR3005733T3 (de) 1993-06-07
CA1339213C (en) 1997-08-05
ATE78257T1 (de) 1992-08-15
EP0295333A2 (de) 1988-12-21
GB8714180D0 (en) 1987-07-22
NO168360C (no) 1992-02-12
AU595410B2 (en) 1990-03-29
FI87787B (fi) 1992-11-13
EP0295333A3 (en) 1989-10-18
ES2051724T3 (es) 1994-07-01
DK680487D0 (da) 1987-12-22
DE3780454T2 (de) 1992-12-17
DK680487A (da) 1988-12-18
CN88100566A (zh) 1988-12-28
US5329001A (en) 1994-07-12
FI87787C (fi) 1993-02-25
YU44650B (en) 1990-10-31
FI881039A0 (fi) 1988-03-07
KR890000496A (ko) 1989-03-15
YU242887A (en) 1988-12-31
NO168360B (no) 1991-11-04
CN1022922C (zh) 1993-12-01
PT86525B (pt) 1992-07-31
ZA879700B (de) 1988-06-23
FI881039A (fi) 1988-12-18
KR950011744B1 (ko) 1995-10-09
NO880027D0 (no) 1988-01-05
AU8304187A (en) 1988-12-22
JPS63316785A (ja) 1988-12-26

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)