FR2540860B1 - Nouveaux intermediaires pour la production de derives de l'acide 2-(2-aminothiazol-4-yl) glyoxylique ou d'un de ses sels et le procede de production desdits intermediaires - Google Patents

Nouveaux intermediaires pour la production de derives de l'acide 2-(2-aminothiazol-4-yl) glyoxylique ou d'un de ses sels et le procede de production desdits intermediaires

Info

Publication number: FR2540860B1
Authority: FR; France
Prior art keywords: intermediates; aminothiazol; salt; producing; production
Prior art date: 1982-06-17
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

FR848400472A

Other languages

English (en)

Other versions

FR2540860A1 (fr

Inventor

Hiroshi Sadaki

Hiroyuki Imaizumi

Kenji Takeda

Takihiro Inaba

Ryuko Takeno

Seishi Morita

Tetsuya Kajita

Isamu Saikawa

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.)

Toyama Chemical Co Ltd

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

1984-01-13

Publication date

1988-03-25

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

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

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

1984-01-13 Application filed by Toyama Chemical Co Ltd filed Critical Toyama Chemical Co Ltd

1984-01-13 Priority to FR848400472A priority Critical patent/FR2540860B1/fr

1984-08-17 Publication of FR2540860A1 publication Critical patent/FR2540860A1/fr

1988-03-25 Application granted granted Critical

1988-03-25 Publication of FR2540860B1 publication Critical patent/FR2540860B1/fr

Status Expired legal-status Critical Current

Links

239000000543 intermediate Substances 0.000 title 2
VMASTYPGLHRVNL-UHFFFAOYSA-N 2-(2-amino-1,3-thiazol-4-yl)-2-oxoacetic acid Chemical class NC1=NC(C(=O)C(O)=O)=CS1 VMASTYPGLHRVNL-UHFFFAOYSA-N 0.000 title 1
150000003839 salts Chemical class 0.000 title 1

Classifications

- 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
- C07C45/61—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
- 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)

FR848400472A 1982-06-17 1984-01-13 Nouveaux intermediaires pour la production de derives de l'acide 2-(2-aminothiazol-4-yl) glyoxylique ou d'un de ses sels et le procede de production desdits intermediaires Expired FR2540860B1 (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
FR848400472A FR2540860B1 (fr)	1982-06-17	1984-01-13	Nouveaux intermediaires pour la production de derives de l'acide 2-(2-aminothiazol-4-yl) glyoxylique ou d'un de ses sels et le procede de production desdits intermediaires

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
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
JP57103109A JPS58222076A (ja)	1982-06-17	1982-06-17	２−アミノチアゾ−ル誘導体
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
FR848400472A FR2540860B1 (fr)	1982-06-17	1984-01-13	Nouveaux intermediaires pour la production de derives de l'acide 2-(2-aminothiazol-4-yl) glyoxylique ou d'un de ses sels et le procede de production desdits intermediaires

Publications (2)

Publication Number	Publication Date
FR2540860A1 FR2540860A1 (fr)	1984-08-17
FR2540860B1 true FR2540860B1 (fr)	1988-03-25

Family

ID=27302641

Family Applications (3)

Application Number	Title	Priority Date	Filing Date
FR8309863A Expired FR2528839B1 (fr)	1982-06-17	1983-06-15	Nouveau procede de production de derives de l'acide 2-(2-aminothiazol-4-yl) glyoxylique ou d'un de ses sels, les intermediaires necessaires a la synthese de ces derniers, et le procede de production desdits intermediaires
FR8400471A Expired FR2540873B1 (fr)	1982-06-17	1984-01-13	Nouveaux intermediaires pour la production de derives de l'acide 2-(2-aminothiazol-4-yl) glyoxylique ou d'un de ses sels et le procede de production desdits intermediaires
FR848400472A Expired FR2540860B1 (fr)	1982-06-17	1984-01-13	Nouveaux intermediaires pour la production de derives de l'acide 2-(2-aminothiazol-4-yl) glyoxylique ou d'un de ses sels et le procede de production desdits intermediaires

Family Applications Before (2)

Application Number	Title	Priority Date	Filing Date
FR8309863A Expired FR2528839B1 (fr)	1982-06-17	1983-06-15	Nouveau procede de production de derives de l'acide 2-(2-aminothiazol-4-yl) glyoxylique ou d'un de ses sels, les intermediaires necessaires a la synthese de ces derniers, et le procede de production desdits intermediaires
FR8400471A Expired FR2540873B1 (fr)	1982-06-17	1984-01-13	Nouveaux intermediaires pour la production de derives de l'acide 2-(2-aminothiazol-4-yl) glyoxylique ou d'un de ses sels et le procede de production desdits intermediaires

Country Status (21)

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

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 (fr) *	2017-05-16	2018-11-21	Arjo Wiggins Fine Papers Limited	Électronique de papier en résine, son procédé de fabrication et son application dans des produits manufacturés

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
DE2710902A1 (de) *	1977-03-12	1978-09-21	Hoechst Ag	Cephemderivate und verfahren zu ihrer herstellung
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 CA CA000430079A patent/CA1191512A/fr not_active Expired
- 1983-06-09 IL IL68931A patent/IL68931A0/xx not_active IP Right Cessation
- 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 AT AT0219783A patent/AT380877B/de active
- 1983-06-14 US US06/504,317 patent/US4563534A/en not_active Expired - Fee Related
- 1983-06-15 IT IT48504/83A patent/IT1171839B/it active
- 1983-06-15 FR FR8309863A patent/FR2528839B1/fr not_active Expired
- 1983-06-16 MX MX83197676A patent/MX156981A/es unknown
- 1983-06-16 PT PT76880A patent/PT76880B/pt not_active IP Right Cessation
- 1983-06-16 ES ES523348A patent/ES8502697A1/es not_active Expired
- 1983-06-16 NL NL8302151A patent/NL8302151A/nl not_active Application Discontinuation
- 1983-06-16 SE SE8303465A patent/SE452981B/sv not_active IP Right Cessation
- 1983-06-16 NZ NZ204609A patent/NZ204609A/en unknown
- 1983-06-16 BE BE0/211013A patent/BE897063A/fr not_active IP Right Cessation
- 1983-06-16 PH PH29065A patent/PH18261A/en unknown
- 1983-06-16 KR KR1019830002682A patent/KR860001027B1/ko not_active IP Right Cessation
- 1983-06-16 DK DK278883A patent/DK161073C/da not_active IP Right Cessation
- 1983-06-16 NO NO832178A patent/NO161114C/no 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 ES530212A patent/ES530212A0/es active Granted
- 1984-03-01 ES ES530213A patent/ES8506572A1/es not_active Expired
- 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 SE8701192A patent/SE8701192L/xx not_active Application Discontinuation
- 1987-03-23 SE SE8701193A patent/SE8701193D0/xx not_active Application Discontinuation
1990
- 1990-09-21 DK DK229090A patent/DK163582C/da active
- 1990-09-21 DK DK229190A patent/DK163816C/da not_active IP Right Cessation

Also Published As

Publication number	Publication date
NO832178L (no)	1983-12-19
FI832152L (fi)	1983-12-18
FI85470B (fi)	1992-01-15
PH19985A (en)	1986-08-28
ES523348A0 (es)	1985-01-16
GB2122988B (en)	1986-06-11
DK229190D0 (da)	1990-09-21
US4563534A (en)	1986-01-07
PH20516A (en)	1987-01-26
DK229190A (da)	1990-09-21
ATA219783A (de)	1985-12-15
IL68931A0 (en)	1983-10-31
SE8701193L (sv)	1987-03-23
SE8303465D0 (sv)	1983-06-16
IT1171839B (it)	1987-06-10
DK229090D0 (da)	1990-09-21
DK161073C (da)	1991-11-18
FR2540873B1 (fr)	1987-01-02
DK163816B (da)	1992-04-06
ES8507522A1 (es)	1985-09-01
PT76880A (en)	1983-07-01
MX156981A (es)	1988-10-18
NO161114B (no)	1989-03-28
US4667040A (en)	1987-05-19
NO161114C (no)	1989-07-05
GB2167410A (en)	1986-05-29
DK161073B (da)	1991-05-27
SE8701192D0 (sv)	1987-03-23
DK163582C (da)	1992-08-10
KR860001027B1 (ko)	1986-07-28
SE8701193D0 (sv)	1987-03-23
SE452981B (sv)	1988-01-04
ES530213A0 (es)	1985-07-16
DE3321127A1 (de)	1983-12-22
ES530212A0 (es)	1985-09-01
GB8518464D0 (en)	1985-08-29
KR840005117A (ko)	1984-11-03
SE8701192L (sv)	1987-03-23
GB8315700D0 (en)	1983-07-13
DK229090A (da)	1990-09-21
FI832152A0 (fi)	1983-06-14
NZ204609A (en)	1985-12-13
FI85470C (fi)	1992-04-27
NL8302151A (nl)	1984-01-16
DK278883D0 (da)	1983-06-16
ES8502697A1 (es)	1985-01-16
GB2122988A (en)	1984-01-25
AU542287B2 (en)	1985-02-14
FR2528839A1 (fr)	1983-12-23
FR2540860A1 (fr)	1984-08-17
DK163582B (da)	1992-03-16
DK278883A (da)	1983-12-18
DE3348173C2 (fr)	1989-10-05
FR2528839B1 (fr)	1987-01-02
FR2540873A1 (fr)	1984-08-17
PH18261A (en)	1985-05-14
SE8303465L (sv)	1983-12-18
GB2167410B (en)	1986-11-05
IT8348504A0 (it)	1983-06-15
AT380877B (de)	1986-07-25
DK163816C (da)	1992-09-21
CA1191512A (fr)	1985-08-06
BE897063A (fr)	1983-12-16
DE3321127C2 (fr)	1988-06-01
PT76880B (en)	1986-01-27
AU1550083A (en)	1983-12-22
ES8506572A1 (es)	1985-07-16

Legal Events

Date	Code	Title	Description
1997-04-30	ST	Notification of lapse

Publication	Publication Date	Title
FR2501673B1 (fr)	1986-05-02	Procede continu de production d'acide terephtalique
FR2515203B1 (fr)	1986-09-05	Procede de distillation pour la production d'ethanol deshydrate
FR2488803B1 (fr)	1985-07-19	Procede pour la production d'erythropoietine humaine
RO80265A (fr)	1983-04-29	Procede pour la preparation de derives de l'acide beta-carboline-3-carboxyliqye
FR2551434B1 (fr)	1987-02-06	Procede pour la production d'acides carboxyliques
FR2569724B1 (fr)	1991-02-08	Procede pour la preparation d'acide hyaluronique
RO86257A (fr)	1985-03-15	Procede pour la preparation d'acide d-lactique
MA19444A1 (fr)	1982-12-31	Procede de preparation de nouveaux derives d'acide phenylaliphatique carboxyliques
FR2540873B1 (fr)	1987-01-02	Nouveaux intermediaires pour la production de derives de l'acide 2-(2-aminothiazol-4-yl) glyoxylique ou d'un de ses sels et le procede de production desdits intermediaires
PT75230A (fr)	1982-08-01	Procede pour la preparation de steres de l'acide 3-methylflavone-8-carboxylique
PT74766B (fr)	1985-01-07	Procede de preparation de nouveaux derives de l'acide cyclopropane carboxylique
FR2450836B1 (fr)	1986-03-21	Procede et composes intermediaires pour la production du 1,1-dioxyde d'acide penicillanique et de ses esters
RO83707A (fr)	1984-03-15	Procede pour la preparation des esters chlormethyliques des derives de l'acide penycilanique
RO82537A (fr)	1984-02-21	Procede pour la preparation de l'acide diaceton-cetogluconique
BE882028A (fr)	1980-09-03	Procede et composes intermediaires pour la production du 1,1-dioxyde d'acide penicillanique et de ses esters
FR2467842B1 (fr)	1985-06-14	Procede pour la production d'iminodiacetonitrile
BE886299A (fr)	1981-03-16	Procede pour la preparation de derives d'esters d'acide apovincaminique
FR2566425B1 (fr)	1988-02-05	Procede pour la production de 2-(phenyl substitue) acide propionique par micro-organisme
RO86858A (fr)	1985-05-20	Procede pour la preparation des derives d'acide 2-pheno0ypropionique des pentytes
RO82619A (fr)	1984-01-14	Procede pour l'obtention d'un inoculum pour la production d'acide citrique
PT74813B (fr)	1983-10-26	Procede de preparation de derives de l'acide 1,4-thiazane-carboxylique
BE892451A (fr)	1982-09-10	Procede de production du sel de sodium de l'amoxicilline
BE887492A (fr)	1981-08-12	Procede pour la preparation de derives d'acide acetique
BE873659A (fr)	1979-05-16	Procede de production de l'acide 4-amino-butyrique ou de ses derives
FR2508041B1 (fr)	1986-03-14	Procede de production d'ester nicotinylique de l'acide 6-aminonicotinique