IE34407L - Preparing 7-aminocephalosporanic acid - Google Patents

Preparing 7-aminocephalosporanic acid

Info

Publication number
IE34407L
IE34407L IE700783A IE78370A IE34407L IE 34407 L IE34407 L IE 34407L IE 700783 A IE700783 A IE 700783A IE 78370 A IE78370 A IE 78370A IE 34407 L IE34407 L IE 34407L
Authority
IE
Ireland
Prior art keywords
imino
salt
groups
group
halide
Prior art date
Application number
IE700783A
Other languages
English (en)
Other versions
IE34407B1 (en
Original Assignee
Lilly Co Eli
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 Lilly Co Eli filed Critical Lilly Co Eli
Publication of IE34407L publication Critical patent/IE34407L/xx
Publication of IE34407B1 publication Critical patent/IE34407B1/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D501/00Heterocyclic 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
    • C07D501/14Compounds having a nitrogen atom directly attached in position 7
    • C07D501/16Compounds having a nitrogen atom directly attached in position 7 with a double bond between positions 2 and 3
    • C07D501/187-Aminocephalosporanic or substituted 7-aminocephalosporanic acids
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D501/00Heterocyclic 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
    • C07D501/02Preparation
    • C07D501/12Separation; Purification
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/55Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Cephalosporin Compounds (AREA)
IE783/70A 1969-06-26 1970-06-16 Improved process for preparing 7-aminocephalosporanic acid (7-aca) from cephalosporin c, and certain new intermediate cephalosporin c derivatives IE34407B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US83695369A 1969-06-26 1969-06-26

Publications (2)

Publication Number Publication Date
IE34407L true IE34407L (en) 1970-12-26
IE34407B1 IE34407B1 (en) 1975-04-30

Family

ID=25273125

Family Applications (1)

Application Number Title Priority Date Filing Date
IE783/70A IE34407B1 (en) 1969-06-26 1970-06-16 Improved process for preparing 7-aminocephalosporanic acid (7-aca) from cephalosporin c, and certain new intermediate cephalosporin c derivatives

Country Status (20)

Country Link
US (1) US3641018A (xx)
JP (1) JPS5019557B1 (xx)
AT (1) AT301754B (xx)
BE (1) BE752497A (xx)
BR (1) BR6914958D0 (xx)
CA (1) CA976157A (xx)
CH (1) CH537944A (xx)
CS (2) CS191862B2 (xx)
DE (2) DE2031754A1 (xx)
ES (1) ES381195A1 (xx)
FR (1) FR2051378A5 (xx)
GB (1) GB1313207A (xx)
IE (1) IE34407B1 (xx)
IL (1) IL34737A (xx)
NL (1) NL7009315A (xx)
PL (2) PL92532B1 (xx)
RO (1) RO56295A (xx)
SE (1) SE370702B (xx)
SU (1) SU403190A3 (xx)
ZA (1) ZA704029B (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1395184A (en) * 1972-03-09 1975-05-21 Alfa Farmaceutici Spa Cephalosporin derivatives
CH587268A5 (en) * 1972-06-29 1977-04-29 Ciba Geigy Ag Substd carboxylic acid derivs - broad spectrum antibiotics and inters
AT367060B (de) * 1979-01-25 1982-05-25 Biochemie Gmbh Verfahren zur herstellung neuer cephalosporinderivate
AT378774B (de) * 1982-08-06 1985-09-25 Biochemie Gmbh Verfahren zur deacylierung von penicillinen und cephalosporinen
US5512454A (en) * 1994-02-03 1996-04-30 Bristol-Myers Squibb Company Enzymatic acylation of 3-hydroxymethyl cephalosporins

Also Published As

Publication number Publication date
PL92532B1 (xx) 1977-04-30
IL34737A0 (en) 1970-08-19
RO56295A (xx) 1974-04-29
IE34407B1 (en) 1975-04-30
DE2031754A1 (de) 1971-01-07
DE2065489A1 (de) 1973-10-18
JPS5019557B1 (xx) 1975-07-08
CH537944A (de) 1973-06-15
BR6914958D0 (pt) 1973-04-17
ES381195A1 (es) 1972-12-01
BE752497A (fr) 1970-12-28
SE370702B (xx) 1974-10-28
ZA704029B (en) 1971-05-27
FR2051378A5 (xx) 1971-04-02
PL88885B1 (xx) 1976-10-30
IL34737A (en) 1973-08-29
CS191862B2 (en) 1979-07-31
US3641018A (en) 1972-02-08
CA976157A (en) 1975-10-14
CS191899B2 (en) 1979-07-31
GB1313207A (en) 1973-04-11
SU403190A3 (xx) 1973-10-19
NL7009315A (xx) 1970-12-29
AT301754B (de) 1972-09-25

Similar Documents

Publication Publication Date Title
FI57954B (fi) Foerfarande foer framstaellning av 7-aminocefalosporansyraderivat med antibiotisk verkan
GB1283811A (en) 3-mercaptothiazole or mercaptotetrazole cephalosporins and process for preparing the same
CA1037949A (en) Cephalosporin derivatives
FR2479229B1 (fr) Nouveaux derives des cephalosporines, leur procede de preparation et les medicaments utilisables comme antibiotiques qui contiennent lesdits derives
FR2432521A1 (fr) Nouvelles oximes o-substituees derivees de l'acide 7-amino thiazolyl acetamido cephalosporanique, leur procede de preparation et leur application comme medicaments
GB1401059A (en) Derivatives of cephalosporins and penicillins
IE34407L (en) Preparing 7-aminocephalosporanic acid
JPS5547688A (en) Novel cephem compound and its preparation
CA1041084A (en) PROCESS FOR THE MANUFACTURE OF 7.beta.-AMINO-3-CEPHEM-4-CARBOXYLIC ACID COMPOUNDS
GB1501711A (en) Hydroxy-substituted cephalosporins
IE34181B1 (en) New cephalosporins useful as intermediates in making cephalexin and improved process for the synthesis of cephalexin
CA1084486A (en) 7-.alpha.-(4-HYDROXY-1,5-NAPHTHYRIDINE-3-CARBONAMIDO)-.alpha.- PHENYLACETAMIDO CEPHALOSPORIN DERIVATIVES
GB1493676A (en) Antibiotic method and pharmaceutical compositions
IE41590L (en) Cephalosporin compounds
IE861670L (en) Cephalosporin derivatives
GB1425571A (en) Penicillins and cephaosporins
GB1443738A (en) Chemical intermediates
AU4605279A (en) Oxime derivatives of 3-azidomethyl 7-amino thiazolyl acetamido cephalosporanic acid, their process of preparation and pharmaceutical compositions containing them
US3839328A (en) Use of mixed anhydride protecting group in cleaving acyl groups from cephalosporins and penicillins
IE33571L (en) Preparation of cephalosporins
GB1261780A (en) Orally active sulfur-containing cephalosporin antibiotics
IE810823L (en) Preparation of 3-substituted thiophenes
GB1464793A (en) Cephem derivatives and a method for the preparation thereof
IE790141L (en) Cephalosporins and benzofuranylacetic acids.
CA1064478A (en) 7-methoxycephalosporin derivatives