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AU498131B2 - Production of cephems by cyclization - Google Patents

Production of cephems by cyclization

Info

Publication number
AU498131B2
AU498131B2AU78498/75AAU7849875AAU498131B2AU 498131 B2AU498131 B2AU 498131B2AU 78498/75 AAU78498/75 AAU 78498/75AAU 7849875 AAU7849875 AAU 7849875AAU 498131 B2AU498131 B2AU 498131B2
Authority
AU
Australia
Prior art keywords
cephems
cyclization
production
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.)
Expired
Application number
AU78498/75A
Other versions
AU7849875A (en
Inventor
R. B. and BICKEL H WOODWARD
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Novartis AG
Original Assignee
Ciba Geigy AG
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 Ciba Geigy AGfiledCriticalCiba Geigy AG
Priority claimed from CH269374Aexternal-prioritypatent/CH601310A5/en
Priority claimed from CH776674Aexternal-prioritypatent/CH610584A5/en
Publication of AU7849875ApublicationCriticalpatent/AU7849875A/en
Application grantedgrantedCritical
Publication of AU498131B2publicationCriticalpatent/AU498131B2/en
Expiredlegal-statusCriticalCurrent

Links

Classifications

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AU78498/75A1974-02-261974-02-24Production of cephems by cyclizationExpiredAU498131B2 (en)

Applications Claiming Priority (6)

Application NumberPriority DateFiling DateTitle
CHCH11000/741974-01-24
CHCH2693/741974-02-26
CH269374ACH601310A5 (en)1974-02-261974-02-267-Amino-3-hydroxy-2(or 3)-cephem-4-carboxylic acid derivs prepn
CHCH7766/741974-06-05
CH776674ACH610584A5 (en)1974-02-261974-06-05Process for the preparation of 2-(3-amino-2-oxo-4-sulphonylthio-1- azetidinyl)-3-methylenebutyric acid derivatives
CH11000741974-08-12

Publications (2)

Publication NumberPublication Date
AU7849875A AU7849875A (en)1976-08-26
AU498131B2true AU498131B2 (en)1979-02-15

Family

ID=27173851

Family Applications (1)

Application NumberTitlePriority DateFiling Date
AU78498/75AExpiredAU498131B2 (en)1974-02-261974-02-24Production of cephems by cyclization

Country Status (21)

CountryLink
JP (1)JPS625919B2 (en)
AR (1)AR208538A1 (en)
AT (2)AT337362B (en)
AU (1)AU498131B2 (en)
BE (1)BE825919A (en)
BG (1)BG26201A3 (en)
CA (2)CA1059988A (en)
DD (1)DD117074A5 (en)
DE (1)DE2506330A1 (en)
DK (2)DK73475A (en)
ES (2)ES435110A1 (en)
FI (1)FI66389C (en)
FR (1)FR2261761B1 (en)
GB (1)GB1503581A (en)
HU (1)HU175212B (en)
IE (1)IE40695B1 (en)
IL (1)IL46699A (en)
NL (1)NL7502292A (en)
NO (1)NO750625L (en)
NZ (1)NZ176623A (en)
SE (3)SE431652B (en)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
IT1044247B (en)*1974-08-021980-03-20Farmaceutici Italia INTERMEDIATES FOR THE SYNTHESIS OF LACTAMIC DERIVATIVES AND PROCEDURE FOR THEIR PREPARATION
CA1136132A (en)*1975-02-171982-11-23Teruji TsujiCyclization to form cephem ring and intermediates therefor
JPS5198265A (en)*1975-02-171976-08-30
AT342197B (en)*1975-02-201978-03-28Ciba Geigy Ag NEW PROCESS FOR PRODUCING 3-CEPHEM CONNECTIONS
US4029645A (en)*1975-11-171977-06-14E. R. Squibb & Sons, Inc.Mercury intermediates useful in the preparation of 2-alkoxy cephalosporins
US4301279A (en)1979-02-231981-11-17Ciba-Geigy CorporationProcess for the production of 3-hydroxy compounds
JPH0639474B2 (en)*1983-03-041994-05-25大塚化学株式会社 Method for producing cephalosporin compound
JPS59228854A (en)*1983-06-081984-12-22真井 康博Chemical liquid injection by compressed gas and chemical liquid storing syringe
JPS60115562A (en)*1983-11-281985-06-22Otsuka Chem Co LtdProduction of azetidinone derivative
GB2152497B (en)*1983-11-281987-08-05Otsuka Kagaku KkProcess for the preparation of azetidinone derivatives
JPS60126263A (en)*1983-12-121985-07-05Otsuka Chem Co LtdProduction of azetidinone derivative
JPS60237061A (en)*1984-05-081985-11-25Otsuka Chem Co LtdPreparation of azetidinone derivative
JPS61178961A (en)*1985-02-011986-08-11Otsuka Chem Co LtdProduction of azetidinone derivative
DE3725375A1 (en)*1987-07-311989-02-09Bayer Ag STABLE OXAPENEM-3-CARBONSAEURES
JP3195959B2 (en)*1991-03-132001-08-06大塚化学株式会社 Method for producing 3-hydroxycephem derivative
KR20050087791A (en)*2002-11-012005-08-31오키드 케미칼즈 앤드 파마수티컬즈 리미티드An improved process for the preparation of chloro methyl cephem derivatives
CA2856179C (en)2011-12-202017-02-28F. Hoffmann-La Roche Ag2',4'-difluoro-2'-methyl substituted nucleoside derivatives as inhibitors of hcv rna replication
PT2794628T (en)2011-12-202017-07-05Riboscience Llc4'-azido-3'-fluoro substituted nucleoside derivatives as inhibitors of hcv rna replication
US20180200280A1 (en)2013-05-162018-07-19Riboscience Llc4'-Fluoro-2'-Methyl Substituted Nucleoside Derivatives as Inhibitors of HCV RNA Replication
MX2015015781A (en)2013-05-162016-06-02Riboscience Llc4'-azido, 3'-deoxy-3'-fluoro substituted nucleoside derivatives.
MX2015015782A (en)2013-05-162016-06-02Riboscience Llc4'-fluor0-2'-methyl substituted nucleoside derivatives.
US10682369B2 (en)2017-09-212020-06-16Riboscience Llc4′-fluoro-2′-methyl substituted nucleoside derivatives as inhibitors of HCV RNA replication

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
DE2230372A1 (en)*1972-06-211973-01-11Fujisawa Pharmaceutical CoCepham and cephem derivs - useful as antibiotics
AR206201A1 (en)*1972-06-291976-07-07Ciba Geigy Ag PROCEDURE FOR OBTAINING ACID COMPOUNDS 7BETA-AMINO-3-CEFEM-3-01-4-CARBOXILICO0-SUBSTITUIDOS
SE428022B (en)*1972-06-291983-05-30Ciba Geigy Ag 7BETA-AMINO-CEFAM-3-ON-4-CARBOXYLIC ACID COMPOUNDS FOR USE FOR THE PRODUCTION OF CEPHALOSPORINE DERIVATIVES

Also Published As

Publication numberPublication date
IE40695B1 (en)1979-08-01
HU175212B (en)1980-06-28
BG26201A3 (en)1979-02-15
AR208538A1 (en)1977-02-15
IL46699A (en)1977-11-30
FI750503A7 (en)1975-08-27
BE825919A (en)1975-08-25
FR2261761A1 (en)1975-09-19
NZ176623A (en)1978-04-03
ATA28178A (en)1978-10-15
IL46699A0 (en)1975-04-25
FI66389C (en)1984-10-10
NL7502292A (en)1975-08-28
AU7849875A (en)1976-08-26
DD117074A5 (en)1975-12-20
JPS625919B2 (en)1987-02-07
CA1059988A (en)1979-08-07
ATA108275A (en)1976-10-15
SE431652B (en)1984-02-20
ES435110A1 (en)1977-03-16
DE2506330A1 (en)1975-09-04
SE7501317L (en)1975-08-27
IE40695L (en)1975-08-26
FI66389B (en)1984-06-29
SE438855B (en)1985-05-13
GB1503581A (en)1978-03-15
DK73475A (en)1975-10-20
AT350068B (en)1979-05-10
SE438854B (en)1985-05-13
CA1080713A (en)1980-07-01
AT337362B (en)1977-06-27
ES452915A1 (en)1977-11-01
FR2261761B1 (en)1978-08-18
SE7807811L (en)1978-07-13
NO750625L (en)1975-08-27
SE7807810L (en)1978-07-13
DK348678A (en)1978-08-07
JPS50129590A (en)1975-10-13

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