IL68931A0 - Novel process for producing 2-(2-aminothiazol-4-yl)glyoxylic acid derivative or a salt thereof,and intermediates therefor and process for producing the intermediates - Google Patents

Novel process for producing 2-(2-aminothiazol-4-yl)glyoxylic acid derivative or a salt thereof,and intermediates therefor and process for producing the intermediates

Info

Publication number: IL68931A0
Authority: IL; Israel
Prior art keywords: producing; intermediates; aminothiazol; salt; acid derivative
Prior art date: 1982-06-17

Application number

IL68931A

Other languages

English (en)

Original Assignee

Toyama Chemical Co Ltd

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.)

1982-06-17

Filing date

1983-06-09

Publication date

1983-10-31

1982-06-17 Priority claimed from JP57103109A external-priority patent/JPS58222076A/ja

1982-06-17 Priority claimed from JP57103108A external-priority patent/JPS58222048A/ja

1983-05-06 Priority claimed from JP58078201A external-priority patent/JPS59204179A/ja

1983-06-09 Application filed by Toyama Chemical Co Ltd filed Critical Toyama Chemical Co Ltd

1983-06-09 Priority to IL7792283A priority Critical patent/IL77922A/xx

1983-06-09 Priority to IL68931A priority patent/IL68931A0/xx

1983-06-09 Priority to IL7792183A priority patent/IL77921A/xx

1983-10-31 Publication of IL68931A0 publication Critical patent/IL68931A0/xx

1986-02-19 Priority to IL77921A priority patent/IL77921A0/xx

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
- C07C45/63—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by introduction of halogen; by substitution of halogen atoms by other halogen atoms
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D277/00—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings
- C07D277/02—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings
- C07D277/20—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D277/22—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
- C07D277/28—Radicals substituted by nitrogen atoms
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/79—Separation; Purification; Stabilisation; Use of additives by solid-liquid treatment; by chemisorption
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
- C07C45/82—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
- C07C49/04—Saturated compounds containing keto groups bound to acyclic carbon atoms
- C07C49/16—Saturated compounds containing keto groups bound to acyclic carbon atoms containing halogen
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D277/00—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings
- C07D277/02—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings
- C07D277/20—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D277/32—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D277/38—Nitrogen atoms
- C07D277/40—Unsubstituted amino or imino radicals
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D277/00—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings
- C07D277/02—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings
- C07D277/20—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D277/32—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D277/38—Nitrogen atoms
- C07D277/44—Acylated amino or imino radicals
- C07D277/46—Acylated amino or imino radicals by carboxylic acids, or sulfur or nitrogen analogues thereof
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D277/00—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings
- C07D277/02—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings
- C07D277/20—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D277/32—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D277/38—Nitrogen atoms
- C07D277/44—Acylated amino or imino radicals
- C07D277/48—Acylated amino or imino radicals by radicals derived from carbonic acid, or sulfur or nitrogen analogues thereof, e.g. carbonylguanidines
- 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)
Organic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Crystallography & Structural Chemistry (AREA)
Thiazole And Isothizaole Compounds (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Plural Heterocyclic Compounds (AREA)
Cephalosporin Compounds (AREA)

IL68931A 1982-06-17 1983-06-09 Novel process for producing 2-(2-aminothiazol-4-yl)glyoxylic acid derivative or a salt thereof,and intermediates therefor and process for producing the intermediates IL68931A0 (en)

Priority Applications (4)

Application Number	Priority Date	Filing Date	Title
IL7792283A IL77922A (en)	1982-06-17	1983-06-09	1,4-dihalogenobutane-2,3-diones,their preparation and their use as intermediate for producing 2-(2-aminothiazol-4-yl)glyoxylic acid derivatives or a salt thereof
IL68931A IL68931A0 (en)	1982-06-17	1983-06-09	Novel process for producing 2-(2-aminothiazol-4-yl)glyoxylic acid derivative or a salt thereof,and intermediates therefor and process for producing the intermediates
IL7792183A IL77921A (en)	1982-06-17	1983-06-09	2-amino thiazole derivatives,process for producing them and their use as intermediate for producing 2-(2-aminothiazol-4-yl)glycoxylic acid derivative or a salt thereof
IL77921A IL77921A0 (en)	1982-06-17	1986-02-19	2-aminothiazol derivatives and process for producing them

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
JP57103109A JPS58222076A (ja)	1982-06-17	1982-06-17	２−アミノチアゾ−ル誘導体
JP57103108A JPS58222048A (ja)	1982-06-17	1982-06-17	１―ブロモ―４―クロロブタン―２，３―ジオン
JP58078201A JPS59204179A (ja)	1983-05-06	1983-05-06	２―（２―アミノチアゾール―４―イル）グリオキシル酸誘導体またはその塩の製造法
IL68931A IL68931A0 (en)	1982-06-17	1983-06-09	Novel process for producing 2-(2-aminothiazol-4-yl)glyoxylic acid derivative or a salt thereof,and intermediates therefor and process for producing the intermediates

Publications (1)

Publication Number	Publication Date
IL68931A0 true IL68931A0 (en)	1983-10-31

Family

ID=27302641

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IL68931A IL68931A0 (en)	1982-06-17	1983-06-09	Novel process for producing 2-(2-aminothiazol-4-yl)glyoxylic acid derivative or a salt thereof,and intermediates therefor and process for producing the intermediates

Country Status (21)

Country	Link
US (2)	US4563534A (pt)
KR (1)	KR860001027B1 (pt)
AT (1)	AT380877B (pt)
AU (1)	AU542287B2 (pt)
BE (1)	BE897063A (pt)
CA (1)	CA1191512A (pt)
DE (2)	DE3321127A1 (pt)
DK (3)	DK161073C (pt)
ES (3)	ES8502697A1 (pt)
FI (1)	FI85470C (pt)
FR (3)	FR2528839B1 (pt)
GB (2)	GB2122988B (pt)
IL (1)	IL68931A0 (pt)
IT (1)	IT1171839B (pt)
MX (1)	MX156981A (pt)
NL (1)	NL8302151A (pt)
NO (1)	NO161114C (pt)
NZ (1)	NZ204609A (pt)
PH (3)	PH18261A (pt)
PT (1)	PT76880B (pt)
SE (3)	SE452981B (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
AU542287B2 (en)	1982-06-17	1985-02-14	Toyama Chemical Co. Ltd.	Process for producing 2-(2-aminothiazol-4-yl) glyoxylic acid derivative, it:s salt and intermediates therefor
AU567990B2 (en) *	1982-06-17	1987-12-10	Toyama Chemical Co. Ltd.	Halogenated vicinal diketones
DE3412293A1 (de) *	1984-04-03	1985-10-03	Basf Ag, 6700 Ludwigshafen	Thiazolderivate
US5484928A (en) *	1984-04-10	1996-01-16	Biochemie Gesellschaft M.B.H.	2-(2-aminothiazol-4-yl)-2-oxoacetic acid derivatives
EP0407651A3 (en) *	1989-07-10	1991-08-07	J. Uriach & Cia. S.A.	Use of 1,3-diisobutyl-8-methylxanthine as a bronchodilator and antiallergy agent
EP3405011A1 (en) *	2017-05-16	2018-11-21	Arjo Wiggins Fine Papers Limited	Paper-in-resin electronics - process for producing it and application in manufactured products

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2821555A (en) *	1957-01-07	1958-01-28	Dow Chemical Co	1-bromo-2, 3-butanedione and its 3-oxime derivative
US4191762A (en) *	1974-03-14	1980-03-04	Fujisawa Pharmaceutical Co., Ltd.	2-Lower alkyl-7-substituted amino-2 or 3-cephem-4-carboxylic acid compounds
ES467601A1 (es) *	1977-03-12	1979-06-16	Hoechst Ag	Procedimiento para la preparacion de derivados de cefem.
US4390534A (en) *	1978-12-29	1983-06-28	Fujisawa Pharmaceutical Co., Ltd.	Cephem and cepham compounds
US4308391A (en) *	1979-10-01	1981-12-29	Monsanto Company	2-Amino-4-substituted-thiazolecarboxylic acids and their derivatives
NL8100539A (nl) *	1980-02-12	1981-09-01	Rhone Poulenc Ind	Nieuwe thiolesters, de bereiding daarvan en hun gebruik bij syntheses.
CH642957A5 (de) *	1980-02-18	1984-05-15	Lonza Ag	Verfahren zur herstellung von (2-aminothiazol-4-yl)-essigsaeure-hydrochlorid.
US4374843A (en) *	1980-10-14	1983-02-22	Pfizer Inc.	2-Guanidino-4-heteroarylthiazoles
AU542287B2 (en) *	1982-06-17	1985-02-14	Toyama Chemical Co. Ltd.	Process for producing 2-(2-aminothiazol-4-yl) glyoxylic acid derivative, it:s salt and intermediates therefor

1983
- 1983-06-08 AU AU15500/83A patent/AU542287B2/en not_active Ceased
- 1983-06-08 GB GB08315700A patent/GB2122988B/en not_active Expired
- 1983-06-09 IL IL68931A patent/IL68931A0/xx not_active IP Right Cessation
- 1983-06-09 CA CA000430079A patent/CA1191512A/en not_active Expired
- 1983-06-10 DE DE19833321127 patent/DE3321127A1/de active Granted
- 1983-06-10 DE DE3348173A patent/DE3348173C2/de not_active Expired
- 1983-06-14 FI FI832152A patent/FI85470C/fi not_active IP Right Cessation
- 1983-06-14 US US06/504,317 patent/US4563534A/en not_active Expired - Fee Related
- 1983-06-14 AT AT0219783A patent/AT380877B/de active
- 1983-06-15 FR FR8309863A patent/FR2528839B1/fr not_active Expired
- 1983-06-15 IT IT48504/83A patent/IT1171839B/it active
- 1983-06-16 NL NL8302151A patent/NL8302151A/nl not_active Application Discontinuation
- 1983-06-16 MX MX83197676A patent/MX156981A/es unknown
- 1983-06-16 PH PH29065A patent/PH18261A/en unknown
- 1983-06-16 BE BE0/211013A patent/BE897063A/fr not_active IP Right Cessation
- 1983-06-16 KR KR1019830002682A patent/KR860001027B1/ko not_active IP Right Cessation
- 1983-06-16 SE SE8303465A patent/SE452981B/sv not_active IP Right Cessation
- 1983-06-16 PT PT76880A patent/PT76880B/pt not_active IP Right Cessation
- 1983-06-16 NO NO832178A patent/NO161114C/no unknown
- 1983-06-16 DK DK278883A patent/DK161073C/da not_active IP Right Cessation
- 1983-06-16 ES ES523348A patent/ES8502697A1/es not_active Expired
- 1983-06-16 NZ NZ204609A patent/NZ204609A/en unknown
1984
- 1984-01-13 FR FR8400471A patent/FR2540873B1/fr not_active Expired
- 1984-01-13 FR FR848400472A patent/FR2540860B1/fr not_active Expired
- 1984-03-01 ES ES530213A patent/ES530213A0/es active Granted
- 1984-03-01 ES ES530212A patent/ES530212A0/es active Granted
- 1984-09-07 PH PH31192A patent/PH20516A/en unknown
- 1984-09-07 PH PH31191A patent/PH19985A/en unknown
1985
- 1985-07-09 US US06/753,068 patent/US4667040A/en not_active Expired - Fee Related
- 1985-07-22 GB GB08518464A patent/GB2167410B/en not_active Expired
1987
- 1987-03-23 SE SE8701193A patent/SE8701193L/xx not_active Application Discontinuation
- 1987-03-23 SE SE8701192A patent/SE8701192D0/xx not_active Application Discontinuation
1990
- 1990-09-21 DK DK229190A patent/DK163816C/da not_active IP Right Cessation
- 1990-09-21 DK DK229090A patent/DK163582C/da active

Also Published As

Publication number	Publication date
SE8701193D0 (sv)	1987-03-23
FR2528839A1 (fr)	1983-12-23
DK278883D0 (da)	1983-06-16
FR2528839B1 (fr)	1987-01-02
ES8507522A1 (es)	1985-09-01
PH19985A (en)	1986-08-28
IT8348504A0 (it)	1983-06-15
NZ204609A (en)	1985-12-13
FI85470B (fi)	1992-01-15
ES523348A0 (es)	1985-01-16
DK163582B (da)	1992-03-16
DK163816B (da)	1992-04-06
AU542287B2 (en)	1985-02-14
GB2122988B (en)	1986-06-11
GB2167410A (en)	1986-05-29
DK161073B (da)	1991-05-27
GB8315700D0 (en)	1983-07-13
CA1191512A (en)	1985-08-06
SE8701193L (sv)	1987-03-23
ES8506572A1 (es)	1985-07-16
ES8502697A1 (es)	1985-01-16
SE8303465D0 (sv)	1983-06-16
NO832178L (no)	1983-12-19
MX156981A (es)	1988-10-18
DK229190D0 (da)	1990-09-21
DK163582C (da)	1992-08-10
KR860001027B1 (ko)	1986-07-28
US4563534A (en)	1986-01-07
SE8701192L (sv)	1987-03-23
DK229090D0 (da)	1990-09-21
FI832152A0 (fi)	1983-06-14
ATA219783A (de)	1985-12-15
DE3321127A1 (de)	1983-12-22
DE3321127C2 (pt)	1988-06-01
GB2167410B (en)	1986-11-05
DK163816C (da)	1992-09-21
FI85470C (fi)	1992-04-27
ES530213A0 (es)	1985-07-16
NO161114B (no)	1989-03-28
FR2540860A1 (fr)	1984-08-17
AU1550083A (en)	1983-12-22
FR2540873B1 (fr)	1987-01-02
DK278883A (da)	1983-12-18
PT76880B (en)	1986-01-27
DK229090A (da)	1990-09-21
GB8518464D0 (en)	1985-08-29
PH20516A (en)	1987-01-26
GB2122988A (en)	1984-01-25
KR840005117A (ko)	1984-11-03
DE3348173C2 (pt)	1989-10-05
DK229190A (da)	1990-09-21
SE8303465L (sv)	1983-12-18
AT380877B (de)	1986-07-25
SE452981B (sv)	1988-01-04
PT76880A (en)	1983-07-01
FR2540873A1 (fr)	1984-08-17
BE897063A (fr)	1983-12-16
NL8302151A (nl)	1984-01-16
PH18261A (en)	1985-05-14
DK161073C (da)	1991-11-18
SE8701192D0 (sv)	1987-03-23
US4667040A (en)	1987-05-19
NO161114C (no)	1989-07-05
FI832152L (fi)	1983-12-18
FR2540860B1 (fr)	1988-03-25
ES530212A0 (es)	1985-09-01
IT1171839B (it)	1987-06-10

Publication	Publication Date	Title
FR2507183B1 (fr)	1986-03-07	Procede de preparation d'acides 6,8-difluoro-1,4-dihydro-4-oxo-quinoleine-3-carboxyliques
YU236481A (en)	1983-10-31	Process for obtaining 2,4-disubstituted thiazole derivatives
ES509010A0 (es)	1982-12-01	Un procedimiento para la produccion de un dl- amino acido o una sal correspondiente.
YU43032B (en)	1989-02-28	Process for obtaining 2,5-diketo-d-gluconic acid
PL237852A1 (en)	1983-03-28	Process for manufacturing d-lactic acid
DE3161380D1 (en)	1983-12-15	Process for preparing 2,3-dichloro-sulfonyl acrylonitriles
YU52082A (en)	1985-03-20	Process for preparing 2,3-dichloro-5-trichloro methylpyridine
DE3372758D1 (en)	1987-09-03	Process for preparing 2-carbamoyloxyalkyl-1,4-dihydropyridine derivatives and intermediates useful for the process
DE3567635D1 (en)	1989-02-23	Process for preparing 2-(4-hydroxyphenoxy)alkanoic acid compounds
IL68931A0 (en)	1983-10-31	Novel process for producing 2-(2-aminothiazol-4-yl)glyoxylic acid derivative or a salt thereof,and intermediates therefor and process for producing the intermediates
ES516632A0 (es)	1983-12-16	"un proceso para la preparacion de derivados de n-alquilimidazoles sustituidos".
PH15674A (en)	1983-03-11	Process for the resolution of d,1 2-(6-methoxy-2-naphthyl)propionic acid
ZA834273B (en)	1984-02-29	Process for producing 2-(2-aminothiazol-4-yl)glyoxylic acid derivative or a salt thereof,and intermediates therefor and process for producing the intermediates
DE3161441D1 (en)	1983-12-22	Process for preparing 1,4-diamino-anthraquinone-2-sulphonic acid
DE3161815D1 (en)	1984-02-09	Process for the production of (2-amino-thiazol-4-yl) acetic acid hydrochloride
GB2080802B (en)	1984-02-15	Process for preparing 5-substituted dialuric acids
BE890629A (fr)	1982-04-05	Procede de preparation d'acetaldehyde
BE890630A (fr)	1982-04-05	Procede de preparation d'acetaldehyde
YU196982A (en)	1984-12-31	Process for obtaining 6,6-diiodopenicillanic acid
IE822888L (en)	1983-06-11	PROCESS FOR PREPARING ß-HYDROXY-ß-METHYLGLUTARIC ACID.
YU249080A (en)	1983-06-30	Process for obtaining 6-beta-(2-(2'-methylphenoxy-carbonyl)-2-thiene-3'-ylacetamido)penicillanic acid
GB2077257B (en)	1984-06-27	Process for producing methacrolein
IL77922A (en)	1987-03-31	1,4-dihalogenobutane-2,3-diones,their preparation and their use as intermediate for producing 2-(2-aminothiazol-4-yl)glyoxylic acid derivatives or a salt thereof
HRP950186B1 (en)	1997-06-30	Process for the preparation of 2-(4-isobutyl-phenyl)-propionic acid
YU43126B (en)	1989-04-30	Process for preparing 3-acetoxymethyl-7-(2-(2-amino-1,3-thiazol-4-yl)-2-methoxyimino-acetamido)-ceph-3-em-4-carboxylic acid

Legal Events

Date	Code	Title	Description
1998-06-15	RH	Patent void