ATA411278A - METHOD FOR PRODUCING NEW PENICILLANIC ACID 1,1-DIOXIDES - Google Patents

METHOD FOR PRODUCING NEW PENICILLANIC ACID 1,1-DIOXIDES

Info

Publication number: ATA411278A
Authority: AT; Austria
Prior art keywords: dioxides; penicillanic acid; producing new; new penicillanic; producing
Prior art date: 1977-06-07

Application number

AT411278A

Other languages

German (de)

Other versions

AT360649B (en

Inventor

Wayne Ernest Barth

Original Assignee

Pfizer

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.)

1977-06-07

Filing date

1978-06-06

Publication date

1980-06-15

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27122691&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATA411278(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1978-06-06 Application filed by Pfizer filed Critical Pfizer

1980-06-15 Publication of ATA411278A publication Critical patent/ATA411278A/en

1981-01-26 Application granted granted Critical

1981-01-26 Publication of AT360649B publication Critical patent/AT360649B/en

Classifications

- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/54—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with at least one nitrogen and one sulfur as the ring hetero atoms, e.g. sulthiame
- A61K31/542—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with at least one nitrogen and one sulfur as the ring hetero atoms, e.g. sulthiame ortho- or peri-condensed with heterocyclic ring systems
- A61K31/545—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, cefaclor, or cephalexine
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D499/00—Heterocyclic compounds containing 4-thia-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula:, e.g. penicillins, penems; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/41—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which being nitrogen, e.g. tetrazole
- A61K31/425—Thiazoles
- A61K31/429—Thiazoles condensed with heterocyclic ring systems
- A61K31/43—Compounds containing 4-thia-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula, e.g. penicillins, penems
- 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
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups

Landscapes

Chemical & Material Sciences (AREA)
Health & Medical Sciences (AREA)
Organic Chemistry (AREA)
General Health & Medical Sciences (AREA)
Public Health (AREA)
Veterinary Medicine (AREA)
Medicinal Chemistry (AREA)
Animal Behavior & Ethology (AREA)
Life Sciences & Earth Sciences (AREA)
Pharmacology & Pharmacy (AREA)
Epidemiology (AREA)
Oncology (AREA)
Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
Communicable Diseases (AREA)
Chemical Kinetics & Catalysis (AREA)
General Chemical & Material Sciences (AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Preparation Of Compounds By Using Micro-Organisms (AREA)

AT411278A 1977-06-07 1978-06-06 METHOD FOR PRODUCING NEW PENICILLANIC ACID 1,1-DIOXIDES AT360649B (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US80432077A	1977-06-07	1977-06-07
US87938178A	1978-02-21	1978-02-21

Publications (2)

Publication Number	Publication Date
ATA411278A true ATA411278A (en)	1980-06-15
AT360649B AT360649B (en)	1981-01-26

Family

ID=27122691

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
AT411278A AT360649B (en)	1977-06-07	1978-06-06	METHOD FOR PRODUCING NEW PENICILLANIC ACID 1,1-DIOXIDES
AT0128580A AT364084B (en)	1977-06-07	1980-03-07	METHOD FOR PRODUCING NEW PENICILLANIC ACID 1,1-DIOXIDE DERIVATIVES

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
AT0128580A AT364084B (en)	1977-06-07	1980-03-07	METHOD FOR PRODUCING NEW PENICILLANIC ACID 1,1-DIOXIDE DERIVATIVES

Country Status (35)

Country	Link
AR (1)	AR224111A1 (en)
AT (2)	AT360649B (en)
AU (1)	AU513636B2 (en)
BE (1)	BE867859A (en)
BG (2)	BG34615A3 (en)
CH (1)	CH634073A5 (en)
CS (1)	CS208472B2 (en)
DD (2)	DD140888A5 (en)
DE (2)	DE2857263C3 (en)
DK (1)	DK155740C (en)
EG (1)	EG13869A (en)
FI (1)	FI66003C (en)
FR (2)	FR2393804A1 (en)
GB (1)	GB2000138B (en)
GR (1)	GR72255B (en)
HK (1)	HK13184A (en)
HU (1)	HU180042B (en)
IE (1)	IE47079B1 (en)
IL (2)	IL54867A (en)
IN (1)	IN149747B (en)
IT (1)	IT1096381B (en)
KE (1)	KE3355A (en)
LU (1)	LU79774A1 (en)
MY (1)	MY8500092A (en)
NL (2)	NL180009C (en)
NO (2)	NO151746C (en)
NZ (1)	NZ187476A (en)
OA (1)	OA05964A (en)
PH (3)	PH26810A (en)
PL (1)	PL114501B1 (en)
PT (1)	PT68146A (en)
SE (2)	SE436206B (en)
SG (1)	SG65383G (en)
SU (1)	SU860706A1 (en)
YU (1)	YU41829B (en)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
LU77306A1 (en) *	1977-05-09	1979-01-18
DE2912511C2 (en) *	1977-06-07	1982-06-24	Pfizer Inc., 10017 New York, N.Y.	Pharmaceutical composition containing penicillanic acid
DK155942C (en) *	1977-12-23	1989-10-23	Pfizer	METHOD OF ANALOGUE FOR THE PREPARATION OF 6-AMINOPENICILLANIC ACID-1,1-DIOXIDE AND PHYSIOLOGICALLY ACCEPTABLE ACID ADDITION AND BASIS SALTS.
JPS54126735A (en) *	1978-03-24	1979-10-02	Toyama Chem Co Ltd	Bactericidal composition for medical use
US4241050A (en) *	1978-09-01	1980-12-23	Pfizer Inc.	Penam 1,1-dioxides as beta-lactamase inhibitors
CA1158639A (en) *	1978-12-11	1983-12-13	Eric M. Gordon	6-bromopenicillanic acid sulfone
IE49881B1 (en) *	1979-02-13	1986-01-08	Leo Pharm Prod Ltd	B-lactam intermediates
US4714761A (en) *	1979-03-05	1987-12-22	Pfizer Inc.	6,6-dihalopenicillanic acid 1,1-dioxides and process
US4420426A (en)	1979-03-05	1983-12-13	Pfizer Inc.	6-Alpha-halopenicillanic acid 1,1-dioxides
SE449103B (en) *	1979-03-05	1987-04-06	Pfizer	SET TO PENICILLANIC ACID-1,1-DIOXIDE AND ESSERS THEREOF
GB2045236A (en) *	1979-03-26	1980-10-29	Hoechst Uk Ltd	Oxapenem derivatives
US4244951A (en) *	1979-05-16	1981-01-13	Pfizer Inc.	Bis-esters of methanediol with penicillins and penicillanic acid 1,1-dioxide
US4309347A (en) *	1979-05-16	1982-01-05	Pfizer Inc.	Penicillanoyloxymethyl penicillanate 1,1,1',1'-tetraoxide
IL59948A0 (en) *	1979-05-21	1980-06-30	Rech Applications Therap	Penicillanic acid derivatives,their production and pharmaceutical compositions containing them
DE3051044C2 (en) *	1979-06-19	1989-03-30	Leo Pharmaceutical Products Ltd. A/S (Loevens Kemiske Fabrik Produktionsaktieselskab), Ballerup, Dk
US4256733A (en) *	1979-09-26	1981-03-17	Pfizer Inc.	Acetoxymethyl penam compounds as β-lactamase inhibitors
US4432970A (en) *	1979-11-23	1984-02-21	Pfizer Inc.	6-beta-Halopenicillanic acid 1,1-dioxides as beta-lactamase inhibitors
IL61880A (en) *	1980-01-21	1984-11-30	Bristol Myers Co	2beta-chloromethyl-2alpha-methylpenam-3alpha-carboxylic acid sulfone derivatives,their preparation and pharmaceutical compositions containing them
US4488994A (en) *	1980-09-08	1984-12-18	Pfizer Inc.	Bis-esters of methanediol with penicillins and penicillanic acid 1,1-dioxide
US4432903A (en) *	1980-09-08	1984-02-21	Pfizer Inc.	Bis-esters of methanediol with penicillins and penicillanic acid 1,1-dioxide
US4474698A (en) *	1980-12-11	1984-10-02	Pfizer Inc.	Process for preparing esters of penicillanic acid sulfone
US4419284A (en) *	1981-03-23	1983-12-06	Pfizer Inc.	Preparation of halomethyl esters (and related esters) of penicillanic acid 1,1-dioxide
DE3261759D1 (en) *	1981-07-15	1985-02-14	Kanebo Ltd	Novel ester of 1,1-dioxopenicillanic acid, process for production thereof, and use thereof as beta-lactamase inhibitor
PT76527B (en) *	1982-04-19	1985-12-09	Gist Brocades Nv	A process for the preparation of penicillanic acid 1,1-dioxide and derivatives thereof
US4502988A (en) *	1983-08-08	1985-03-05	Eli Lilly And Company	Oxidation process
EP0139047A1 (en) *	1983-10-18	1985-05-02	Gist-Brocades N.V.	Process for the preparation of 6,6-dibromopenicillanic acid 1,1-dioxide
US4647457A (en) *	1983-12-16	1987-03-03	Hoffmann-La Roche Inc.	Penicillanic acid derivatives
WO1987006230A1 (en) *	1986-04-10	1987-10-22	Leo Pharmaceutical Products Ltd. A/S	Method for preparing penicillanic acid derivatives
GB8808701D0 (en) *	1988-04-13	1988-05-18	Erba Carlo Spa	Beta-lactam derivatives
CN102977120B (en) *	2012-12-14	2015-05-27	江西富祥药业股份有限公司	Method for preparing and crystallizing sulbactam pivoxyl

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3197466A (en) *	1961-10-30	1965-07-27	Smith Kline French Lab	Penicillin sulfoxides and process
LU77306A1 (en) *	1977-05-09	1979-01-18
AU3796278A (en) *	1977-07-13	1980-01-17	Glaxo Group Ltd	Penams and azetidinones

1978
- 1978-05-04 IN IN327/DEL/78A patent/IN149747B/en unknown
- 1978-05-09 PH PH21116A patent/PH26810A/en unknown
- 1978-05-16 YU YU1170/78A patent/YU41829B/en unknown
- 1978-05-18 OA OA56500A patent/OA05964A/en unknown
- 1978-05-20 EG EG322/78A patent/EG13869A/en active
- 1978-05-30 BG BG042176A patent/BG34615A3/en unknown
- 1978-05-30 BG BG039910A patent/BG34614A3/en unknown
- 1978-06-01 CS CS783579A patent/CS208472B2/en unknown
- 1978-06-02 AU AU36838/78A patent/AU513636B2/en not_active Ceased
- 1978-06-02 GB GB7826308A patent/GB2000138B/en not_active Expired
- 1978-06-05 GR GR56439A patent/GR72255B/el unknown
- 1978-06-05 DE DE2857263A patent/DE2857263C3/en not_active Expired
- 1978-06-05 DE DE2824535A patent/DE2824535C3/en not_active Expired
- 1978-06-06 IT IT24270/78A patent/IT1096381B/en active Protection Beyond IP Right Term
- 1978-06-06 LU LU79774A patent/LU79774A1/en unknown
- 1978-06-06 IL IL54867A patent/IL54867A/en unknown
- 1978-06-06 FI FI781800A patent/FI66003C/en not_active IP Right Cessation
- 1978-06-06 AT AT411278A patent/AT360649B/en active Protection Beyond IP Right Term
- 1978-06-06 BE BE188352A patent/BE867859A/en not_active IP Right Cessation
- 1978-06-06 DK DK251478A patent/DK155740C/en not_active IP Right Cessation
- 1978-06-06 PT PT68146A patent/PT68146A/en unknown
- 1978-06-06 SE SE7806628A patent/SE436206B/en not_active IP Right Cessation
- 1978-06-06 PL PL1978207396A patent/PL114501B1/en unknown
- 1978-06-06 NO NO781970A patent/NO151746C/en unknown
- 1978-06-06 NL NLAANVRAGE7806126,A patent/NL180009C/en not_active IP Right Cessation
- 1978-06-06 HU HU78PI630A patent/HU180042B/en unknown
- 1978-06-06 CH CH618078A patent/CH634073A5/en not_active IP Right Cessation
- 1978-06-06 IE IE1140/78A patent/IE47079B1/en not_active IP Right Cessation
- 1978-06-06 NZ NZ187476A patent/NZ187476A/en unknown
- 1978-06-06 FR FR787816893A patent/FR2393804A1/en active Granted
- 1978-06-06 SU SU782624408A patent/SU860706A1/en active
- 1978-06-07 DD DD78205839A patent/DD140888A5/en unknown
- 1978-06-07 DD DD78218400A patent/DD148585A5/en unknown
- 1978-08-18 AR AR272228A patent/AR224111A1/en active
- 1978-09-08 PH PH21586A patent/PH21116A/en unknown
- 1978-09-08 PH PH21587A patent/PH16465A/en unknown
- 1978-09-19 FR FR787826789A patent/FR2393805A1/en active Granted
1980
- 1980-03-07 AT AT0128580A patent/AT364084B/en not_active IP Right Cessation
1981
- 1981-02-19 IL IL62168A patent/IL62168A0/en unknown
1982
- 1982-09-15 NO NO823126A patent/NO152448C/en unknown
1983
- 1983-10-27 SE SE8305916A patent/SE447995B/en not_active IP Right Cessation
- 1983-11-02 SG SG653/83A patent/SG65383G/en unknown
- 1983-11-22 KE KE3355A patent/KE3355A/en unknown
1984
- 1984-02-16 HK HK131/84A patent/HK13184A/en not_active IP Right Cessation
1985
- 1985-12-30 MY MY92/85A patent/MY8500092A/en unknown
1993
- 1993-06-11 NL NL930064C patent/NL930064I2/en unknown

Also Published As

Publication number	Publication date
NO151746B (en)	1985-02-18
IT7824270A0 (en)	1978-06-06
NZ187476A (en)	1982-08-17
DE2857263B2 (en)	1981-04-23
DD140888A5 (en)	1980-04-02
DK155740C (en)	1989-10-23
SU860706A1 (en)	1981-08-30
CH634073A5 (en)	1983-01-14
NL7806126A (en)	1978-12-11
MY8500092A (en)	1985-12-31
DE2857263C3 (en)	1981-12-17
GB2000138A (en)	1979-01-04
PH21116A (en)	1987-07-16
YU41829B (en)	1988-02-29
DE2824535A1 (en)	1978-12-14
NO781970L (en)	1978-12-08
IT1096381B (en)	1985-08-26
AT360649B (en)	1981-01-26
SE8305916L (en)	1983-10-27
FI66003C (en)	1984-08-10
YU117078A (en)	1983-01-21
NL930064I1 (en)	1993-09-01
IE781140L (en)	1978-12-07
FI66003B (en)	1984-04-30
NL180009C (en)	1986-12-16
FR2393805B1 (en)	1984-02-24
BG34615A3 (en)	1983-10-15
FR2393804B1 (en)	1980-11-07
EG13869A (en)	1983-03-31
BE867859A (en)	1978-12-06
FR2393804A1 (en)	1979-01-05
PH26810A (en)	1992-11-05
HK13184A (en)	1984-02-24
IN149747B (en)	1982-04-03
DK251478A (en)	1978-12-08
FR2393805A1 (en)	1979-01-05
SE7806628L (en)	1978-12-08
IL62168A0 (en)	1981-03-31
HU180042B (en)	1983-01-28
NO152448B (en)	1985-06-24
PL114501B1 (en)	1981-02-28
AT364084B (en)	1981-09-25
GR72255B (en)	1983-10-06
NL930064I2 (en)	1994-04-18
CS208472B2 (en)	1981-09-15
AR224111A1 (en)	1981-10-30
AU3683878A (en)	1979-12-06
IL54867A (en)	1981-11-30
KE3355A (en)	1983-12-16
DD148585A5 (en)	1981-06-03
DK155740B (en)	1989-05-08
SE8305916D0 (en)	1983-10-27
NO823126L (en)	1978-12-08
SE436206B (en)	1984-11-19
FI781800A (en)	1978-12-08
OA05964A (en)	1981-06-30
PH16465A (en)	1983-10-20
DE2824535C3 (en)	1981-01-22
AU513636B2 (en)	1980-12-11
NO152448C (en)	1985-10-02
SE447995B (en)	1987-01-12
PT68146A (en)	1978-07-01
GB2000138B (en)	1982-03-03
IL54867A0 (en)	1978-08-31
LU79774A1 (en)	1980-01-22
ATA128580A (en)	1981-02-15
SG65383G (en)	1985-03-29
BG34614A3 (en)	1983-10-15
PL207396A1 (en)	1979-06-04
NO151746C (en)	1985-06-05
DE2824535B2 (en)	1980-05-14
IE47079B1 (en)	1983-12-14

Publication	Publication Date	Title
AT360649B (en)	1981-01-26	METHOD FOR PRODUCING NEW PENICILLANIC ACID 1,1-DIOXIDES
AT358557B (en)	1980-09-25	METHOD FOR PRODUCING NEW SUBSTITUTED 3-PHENOXY-PHENYLTHIOALKANCARBONIC ACID DERIVATIVES
AT366374B (en)	1982-04-13	METHOD FOR PRODUCING NEW N3-SUBSTITUTED 5,5-DIMETHYLHYDANTOINES
AT367430B (en)	1982-07-12	METHOD FOR PRODUCING NEW HYDROXYLAMINO-HYDROCARBYLPHOSPHONIC ACID DERIVATIVES
AT369005B (en)	1982-11-25	METHOD FOR PRODUCING NEW CEPHALOSPORANE ACID DERIVATIVES
AT354626B (en)	1979-01-25	METHOD FOR PRODUCING NEW 7-ACYL-AMINO-8-OXO-3-OXA-1-AZABICYCLO / 4.2.0 / OCTAN-2-CARBONIC ACID DERIVATIVES
AT358019B (en)	1980-08-11	METHOD FOR PRODUCING NEW 1,3- -DIPHENOXYPROPANON- (2) DERIVATIVES
AT372681B (en)	1983-11-10	METHOD FOR PRODUCING NEW 1,5-DISUBSTITUTED HYDANTOINES
AT358593B (en)	1980-09-25	METHOD FOR PRODUCING NEW 1,2,4- -TRIAZIN-5-ON DERIVATIVES
AT365170B (en)	1981-12-28	METHOD FOR PRODUCING NEW 13-THIAPROSTANIC ACID DERIVATIVES
AT360676B (en)	1981-01-26	METHOD FOR PRODUCING NEW 17BETA- -HYDROXY-4-ANDROSTEN-3-ONES
AT360524B (en)	1981-01-12	METHOD FOR PRODUCING NEW 1,2-BENZISOTHIAZOLES
ATA259780A (en)	1981-09-15	METHOD FOR PRODUCING NEW 6-BETA-SUBSTITUTED PENICILLANIC ACID DERIVATIVES
AT363462B (en)	1981-08-10	METHOD FOR PRODUCING NEW ARYLALKANIC ACID DERIVATIVES
AT363887B (en)	1981-09-10	METHOD FOR PRODUCING 2,5-DIKETOGLUCONIC ACID
AT358748B (en)	1980-09-25	METHOD FOR THE PRODUCTION OF NEW D-HOMOSTEROIDS
AT360650B (en)	1981-01-26	METHOD FOR PRODUCING NEW 7ALPHA METHOXY-7BETA (1,3-DITHIAETHANE-2-CARBOXAMIDO) CEPHALOSPORANIC ACID DERIVATIVES
AT364847B (en)	1981-11-25	METHOD FOR PRODUCING NEW CLAVULANIC ACID DERIVATIVES
ATA685779A (en)	1980-12-15	METHOD FOR PRODUCING NEW 7ALPHA- METHOXY-7BETA- (1,3-DITHIAETHANE-2-CARBOXAMIDO) CEPHALOSPORANIC ACID DERIVATIVES
AT359517B (en)	1980-11-10	METHOD FOR PRODUCING NEW ALFA- -HALOGENAETHYLCARBAMIDSAEUREHALOGENIDEN
ATA345780A (en)	1981-10-15	METHOD FOR PRODUCING NEW 7ALPHAMETHOXY-CEPHALOSPORANIC ACID DERIVATIVES
ATA564779A (en)	1981-11-15	METHOD FOR PRODUCING NEW HYDROXYLAMINO-HYDROCARBYLPHOSPHONIC ACID DERIVATIVES
ATA685679A (en)	1980-12-15	METHOD FOR PRODUCING NEW 7ALPHA- METHOXYCEPHALOSPORANIC ACID DERIVATIVES
AT362877B (en)	1981-06-25	METHOD FOR PRODUCING NEW 3,7DISUBSTITUTED 3-CEPHEM-4-CARBONIC ACID COMPOUNDS
ATA160879A (en)	1980-12-15	METHOD FOR PRODUCING NEW 3,7-DI-SUBSTITUTED 3-CEPHEM-4-CARBONIC ACID COMPOUNDS

Legal Events

Date	Code	Title	Description
1995-01-15	SZA	Application filed for a certificate of protection	Free format text: SZ42/94, 941110
1998-07-15	EZF	Grant of a certificate of protection	Free format text: SZ 37/94, 941109, EXPIRES:20030615
1999-02-15	ELA	Expired due to lapse of time
1999-11-15	EZF	Grant of a certificate of protection	Free format text: SZ 42/1994, 19941110, EXPIRES:20000905