ES495236A0 - Procedimiento para la obtencion de vinil-3 cefalosporinas - Google Patents

Procedimiento para la obtencion de vinil-3 cefalosporinas

Info

Publication number: ES495236A0
Authority: ES; Spain
Prior art keywords: cephalosporins; procedure; obtaining vinyl; vinyl; obtaining
Prior art date: 1979-05-23
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.): Granted

Application number

ES495236A

Other languages

English (en)

Other versions

ES8106533A1 (es

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.)

Rhone Poulenc Industries SA

Original Assignee

Rhone Poulenc Industries SA

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.)

1979-05-23

Filing date

1980-09-22

Publication date

1981-08-16

1980-09-22 Application filed by Rhone Poulenc Industries SA filed Critical Rhone Poulenc Industries SA

1981-08-16 Publication of ES8106533A1 publication Critical patent/ES8106533A1/es

1981-08-16 Publication of ES495236A0 publication Critical patent/ES495236A0/es

Status Granted legal-status Critical Current

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D253/00—Heterocyclic compounds containing six-membered rings having three nitrogen atoms as the only ring hetero atoms, not provided for by group C07D251/00
- C07D253/02—Heterocyclic compounds containing six-membered rings having three nitrogen atoms as the only ring hetero atoms, not provided for by group C07D251/00 not condensed with other rings
- C07D253/06—1,2,4-Triazines
- C07D253/065—1,2,4-Triazines having three double bonds between ring members or between ring members and non-ring members
- C07D253/07—1,2,4-Triazines having 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
- C07D253/075—Two hetero atoms, in positions 3 and 5
- 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
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D257/00—Heterocyclic compounds containing rings having four nitrogen atoms as the only ring hetero atoms
- C07D257/02—Heterocyclic compounds containing rings having four nitrogen atoms as the only ring hetero atoms not condensed with other rings
- C07D257/04—Five-membered rings
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D317/00—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
- C07D317/08—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
- C07D317/10—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings
- C07D317/14—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings with substituted hydrocarbon radicals attached to ring carbon atoms
- C07D317/28—Radicals substituted by nitrogen atoms
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D501/00—Heterocyclic 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
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D501/00—Heterocyclic 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
- C07D501/14—Compounds having a nitrogen atom directly attached in position 7
- C07D501/16—Compounds having a nitrogen atom directly attached in position 7 with a double bond between positions 2 and 3
- C07D501/20—7-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids
- C07D501/24—7-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids with hydrocarbon radicals, substituted by hetero atoms or hetero rings, attached in position 3

Landscapes

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

ES495236A 1979-05-23 1980-09-22 Procedimiento para la obtencion de vinil-3 cefalosporinas Granted ES495236A0 (es)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR7913097A FR2457297A1 (fr)	1979-05-23	1979-05-23	Nouvelles vinyl-3 cephalosporines, et leur preparation

Publications (2)

Publication Number	Publication Date
ES8106533A1 ES8106533A1 (es)	1981-08-16
ES495236A0 true ES495236A0 (es)	1981-08-16

Family

ID=9225763

Family Applications (4)

Application Number	Title	Priority Date	Filing Date
ES491689A Expired ES8203906A1 (es)	1979-05-23	1980-05-21	Procedimiento para la obtencion de cefalosporinas
ES491688A Expired ES8102137A1 (es)	1979-05-23	1980-05-21	Procedimiento para la obtencion de vinil-3 cefalosporinas
ES495236A Granted ES495236A0 (es)	1979-05-23	1980-09-22	Procedimiento para la obtencion de vinil-3 cefalosporinas
ES495237A Expired ES8106734A1 (es)	1979-05-23	1980-09-22	Procedimiento para la obtencion de vinil-3 cefalosporinas

Family Applications Before (2)

Application Number	Title	Priority Date	Filing Date
ES491689A Expired ES8203906A1 (es)	1979-05-23	1980-05-21	Procedimiento para la obtencion de cefalosporinas
ES491688A Expired ES8102137A1 (es)	1979-05-23	1980-05-21	Procedimiento para la obtencion de vinil-3 cefalosporinas

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
ES495237A Expired ES8106734A1 (es)	1979-05-23	1980-09-22	Procedimiento para la obtencion de vinil-3 cefalosporinas

Country Status (32)

Country	Link
US (2)	US4307230A (es)
JP (2)	JPS55154978A (es)
AT (2)	AT368509B (es)
AU (2)	AU532884B2 (es)
BE (2)	BE883418A (es)
CA (2)	CA1149375A (es)
CH (2)	CH645380A5 (es)
CS (1)	CS235508B2 (es)
DD (2)	DD151169A5 (es)
DE (2)	DE3019445A1 (es)
DK (2)	DK223180A (es)
ES (4)	ES8203906A1 (es)
FI (2)	FI801643A (es)
FR (1)	FR2457297A1 (es)
GB (2)	GB2052488B (es)
GR (2)	GR68428B (es)
HU (2)	HU184759B (es)
IE (2)	IE49812B1 (es)
IL (2)	IL60140A (es)
IT (2)	IT1140972B (es)
LU (2)	LU82476A1 (es)
NL (2)	NL8003010A (es)
NO (2)	NO801503L (es)
NZ (2)	NZ193800A (es)
PH (2)	PH17310A (es)
PL (3)	PL126491B1 (es)
PT (2)	PT71277A (es)
SE (2)	SE8003823L (es)
SU (4)	SU927118A3 (es)
YU (3)	YU137080A (es)
ZA (2)	ZA803036B (es)
ZW (1)	ZW12380A1 (es)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2494276A2 (fr) *	1980-11-20	1982-05-21	Rhone Poulenc Ind	Nouvelles vinyl-3 cephalosporines, et leur preparation
FR2511376A1 (fr) *	1981-08-17	1983-02-18	Rhone Poulenc Sante	Nouveaux derives de la cephalosporine et leur prepration
FR2511372A1 (fr) *	1981-08-17	1983-02-18	Rhone Poulenc Sante	Nouveaux derives de la cephalosporine et leur preparation
FR2531712A1 (fr) *	1982-08-13	1984-02-17	Rhone Poulenc Sante	Nouveaux derives de la cephalosporine et leur preparation
US4609730A (en) *	1982-11-22	1986-09-02	Fujisawa Pharmaceutical Co., Ltd.	7-[substituted imino-2-(2-aminothiazol-4-yl)-acetamido]-3(2,2-dihalovinyl or ethynyl)-3-cephem-4-carboxylic acid (syn isomers), having antimicrobial activities
ZM884A1 (en) *	1983-01-28	1984-10-22	Bristol Myers Co	Substituted vinyl cephalosporins
US4520022A (en) *	1983-01-28	1985-05-28	Bristol-Myers Company	Substituted vinyl cephalosporins
JPS604883U (ja) *	1983-06-24	1985-01-14	松下冷機株式会社	冷蔵庫等の冷却装置
US4874856A (en) *	1985-06-24	1989-10-17	Bristol-Myers Company	3-(substituted)propenyl-7-(aminothiazolylacetamido) ceph-3-em-4-carboxylic acids and esters thereof
US4708955A (en) *	1985-06-24	1987-11-24	Bristol-Myers Company	3-(substituted)propenyl-7-aminothiazol-ylcephalosporanic acids and esters thereof
MY127641A (en) *	1995-10-12	2006-12-29	Essential Therapeutics Inc	Cephalosporin antibiotics
US6025352A (en) *	1997-09-29	2000-02-15	Microcide Pharmaceuticals, Inc.	Cephalosporin antibiotics
US6030965A (en) *	1997-09-30	2000-02-29	Microcide Pharmaceuticals, Inc.	Cephalosporin antibiotics
WO2003072582A1 (en) *	2002-02-28	2003-09-04	Lg Life Sciences Ltd.	Novel cephalosporin compounds and process for preparing the same
WO2009049086A1 (en) *	2007-10-09	2009-04-16	Larry Sutton	Broad spectrum beta-lactamase inhibitors
DK2968352T3 (da)	2013-03-12	2019-01-02	Gladius Pharmaceuticals Corp	Derivatiserede 3-styryl-cephalosporiner

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3769277A (en) *	1970-01-23	1973-10-30	Glaxo Lab Ltd	Preparation of delta3-4 carboxy cephalosporins having a 3-vinyl or substituted 3-vinyl group
US3823139A (en) *	1970-03-26	1974-07-09	Glaxo Lab Ltd	Cephalosporins having a ypsilon-carbonyl group at position-3
US3674784A (en) *	1970-07-27	1972-07-04	Lilly Co Eli	3-formyl cephalosporin sulfoxides
US4065620A (en) *	1971-06-14	1977-12-27	Eli Lilly And Company	3-(Substituted) vinyl cephalosporins
US4144393A (en) *	1973-12-21	1979-03-13	Glaxo Laboratories Limited	3-Acetoxymethyl cephalosporins having at position-7 a carboxy substituted α-etherified hydroxyiminoarylacetamido group
DE2637176A1 (de) *	1975-08-22	1977-03-03	Ciba Geigy Ag	Carbonylmethylderivate
JPS5285185A (en) *	1976-01-05	1977-07-15	Teijin Ltd	Preparation of 7-acylaminocephalosporanic acids
JPS5289694A (en) *	1976-01-23	1977-07-27	Asahi Chem Ind Co Ltd	Novel cephalosporins
US4094978A (en) *	1976-07-29	1978-06-13	Syntex (U.S.A.) Inc.	3-propenyl derivatives of cephalosporin, compositions and their use
US4255423A (en) *	1977-07-27	1981-03-10	Merck & Co., Inc.	Cephalosporin compounds
EP0015240A1 (de) *	1979-02-16	1980-09-03	Ciba-Geigy Ag	Azacyclyl (thio) ureidoacetyl-Verbindungen und Verfahren zu ihrer Herstellung

1979
- 1979-05-23 FR FR7913097A patent/FR2457297A1/fr active Granted
1980
- 1980-05-21 DE DE19803019445 patent/DE3019445A1/de not_active Withdrawn
- 1980-05-21 CA CA000352335A patent/CA1149375A/fr not_active Expired
- 1980-05-21 GB GB8016725A patent/GB2052488B/en not_active Expired
- 1980-05-21 FI FI801643A patent/FI801643A/fi not_active Application Discontinuation
- 1980-05-21 HU HU801279A patent/HU184759B/hu unknown
- 1980-05-21 CH CH399180A patent/CH645380A5/fr not_active IP Right Cessation
- 1980-05-21 AT AT0271080A patent/AT368509B/de not_active IP Right Cessation
- 1980-05-21 YU YU01370/80A patent/YU137080A/xx unknown
- 1980-05-21 BE BE0/200709A patent/BE883418A/fr not_active IP Right Cessation
- 1980-05-21 HU HU801280A patent/HU183143B/hu unknown
- 1980-05-21 LU LU82476A patent/LU82476A1/fr unknown
- 1980-05-21 CS CS803544A patent/CS235508B2/cs unknown
- 1980-05-21 PL PL1980224390A patent/PL126491B1/pl unknown
- 1980-05-21 ZW ZW123/80A patent/ZW12380A1/xx unknown
- 1980-05-21 SE SE8003823A patent/SE8003823L/xx not_active Application Discontinuation
- 1980-05-21 IE IE1059/80A patent/IE49812B1/en unknown
- 1980-05-21 FI FI801642A patent/FI801642A/fi not_active Application Discontinuation
- 1980-05-21 CH CH3990/80A patent/CH650000A5/fr not_active IP Right Cessation
- 1980-05-21 PL PL1980229959A patent/PL126671B1/pl unknown
- 1980-05-21 GB GB8016726A patent/GB2051061B/en not_active Expired
- 1980-05-21 PT PT71277A patent/PT71277A/pt unknown
- 1980-05-21 BE BE0/200708A patent/BE883417A/fr not_active IP Right Cessation
- 1980-05-21 SU SU802928400A patent/SU927118A3/ru active
- 1980-05-21 GR GR62016A patent/GR68428B/el unknown
- 1980-05-21 DD DD80221268A patent/DD151169A5/de unknown
- 1980-05-21 IT IT22241/80A patent/IT1140972B/it active
- 1980-05-21 DE DE19803019430 patent/DE3019430A1/de not_active Withdrawn
- 1980-05-21 NZ NZ193800A patent/NZ193800A/xx unknown
- 1980-05-21 IT IT22242/80A patent/IT1140973B/it active
- 1980-05-21 ES ES491689A patent/ES8203906A1/es not_active Expired
- 1980-05-21 PL PL1980224392A patent/PL122638B1/pl unknown
- 1980-05-21 NZ NZ193801A patent/NZ193801A/xx unknown
- 1980-05-21 SU SU802928399A patent/SU965358A3/ru active
- 1980-05-21 AU AU58593/80A patent/AU532884B2/en not_active Ceased
- 1980-05-21 PT PT71278A patent/PT71278A/pt unknown
- 1980-05-21 AT AT0271180A patent/AT370737B/de not_active IP Right Cessation
- 1980-05-21 ES ES491688A patent/ES8102137A1/es not_active Expired
- 1980-05-21 CA CA000352346A patent/CA1148141A/fr not_active Expired
- 1980-05-21 ZA ZA00803036A patent/ZA803036B/xx unknown
- 1980-05-21 GR GR62017A patent/GR68436B/el unknown
- 1980-05-21 DK DK223180A patent/DK223180A/da not_active Application Discontinuation
- 1980-05-21 NO NO801503A patent/NO801503L/no unknown
- 1980-05-21 LU LU82478A patent/LU82478A1/fr unknown
- 1980-05-21 US US06/152,084 patent/US4307230A/en not_active Expired - Lifetime
- 1980-05-21 ZA ZA00803035A patent/ZA803035B/xx unknown
- 1980-05-21 AU AU58594/80A patent/AU537785B2/en not_active Ceased
- 1980-05-21 IE IE1060/80A patent/IE49813B1/en unknown
- 1980-05-21 YU YU01369/80A patent/YU136980A/xx unknown
- 1980-05-21 DK DK222280A patent/DK222280A/da not_active Application Discontinuation
- 1980-05-21 DD DD80221267A patent/DD151064A5/de unknown
- 1980-05-21 SE SE8003822A patent/SE8003822L/xx not_active Application Discontinuation
- 1980-05-21 NO NO801504A patent/NO801504L/no unknown
- 1980-05-21 US US06/152,153 patent/US4365062A/en not_active Expired - Lifetime
- 1980-05-22 IL IL60140A patent/IL60140A/xx unknown
- 1980-05-22 PH PH24058A patent/PH17310A/en unknown
- 1980-05-22 PH PH24057A patent/PH15916A/en unknown
- 1980-05-22 IL IL60141A patent/IL60141A/xx unknown
- 1980-05-23 JP JP6800680A patent/JPS55154978A/ja active Pending
- 1980-05-23 NL NL8003010A patent/NL8003010A/nl not_active Application Discontinuation
- 1980-05-23 NL NL8003024A patent/NL8003024A/nl not_active Application Discontinuation
- 1980-05-23 JP JP6800780A patent/JPS55154979A/ja active Pending
- 1980-09-22 ES ES495236A patent/ES495236A0/es active Granted
- 1980-09-22 ES ES495237A patent/ES8106734A1/es not_active Expired
1981
- 1981-01-19 SU SU813229054A patent/SU988193A3/ru active
- 1981-01-19 SU SU813229954A patent/SU984411A3/ru active
1983
- 1983-03-09 YU YU00561/83A patent/YU56183A/xx unknown

Also Published As

Publication number	Publication date
AT368509B (de)	1982-10-25
ES8106533A1 (es)	1981-08-16
ES491688A0 (es)	1980-12-16
ATA271180A (de)	1982-09-15
DD151064A5 (de)	1981-09-30
GB2052488A (en)	1981-01-28
DK222280A (da)	1980-11-24
DD151169A5 (de)	1981-10-08
IE49812B1 (en)	1985-12-25
FR2457297A1 (fr)	1980-12-19
SE8003822L (sv)	1980-11-24
YU56183A (en)	1984-02-29
ES495237A0 (es)	1981-09-01
US4307230A (en)	1981-12-22
HU183143B (en)	1984-04-28
FI801643A (fi)	1980-11-24
CA1148141A (fr)	1983-06-14
IT8022241A0 (it)	1980-05-21
YU136980A (en)	1983-10-31
NL8003010A (nl)	1980-11-25
PH17310A (en)	1984-07-18
SU927118A3 (ru)	1982-05-07
PL122638B1 (en)	1982-08-31
PL224392A1 (es)	1981-02-13
JPS55154978A (en)	1980-12-02
HU184759B (en)	1984-10-29
IL60140A0 (en)	1980-07-31
AT370737B (de)	1983-04-25
ES491689A0 (es)	1982-04-16
ES8102137A1 (es)	1980-12-16
SU965358A3 (ru)	1982-10-07
AU5859380A (en)	1980-11-27
GB2051061B (en)	1983-09-28
IE801059L (en)	1980-11-23
IL60141A0 (en)	1980-07-31
NO801503L (no)	1980-11-24
CA1149375A (fr)	1983-07-05
ATA271080A (de)	1982-02-15
ZA803035B (en)	1981-05-27
IT8022242A0 (it)	1980-05-21
ES8106734A1 (es)	1981-09-01
GR68428B (es)	1981-12-30
LU82476A1 (fr)	1980-12-16
IT1140972B (it)	1986-10-10
YU137080A (en)	1983-04-30
PL126491B1 (en)	1983-08-31
IE49813B1 (en)	1985-12-25
SU988193A3 (ru)	1983-01-07
AU537785B2 (en)	1984-07-12
GR68436B (es)	1981-12-30
NZ193800A (en)	1983-05-10
US4365062A (en)	1982-12-21
PL126671B1 (en)	1983-08-31
PT71278A (fr)	1980-06-01
DE3019445A1 (de)	1980-12-04
IT1140973B (it)	1986-10-10
AU5859480A (en)	1980-11-27
IE801060L (en)	1980-11-23
LU82478A1 (fr)	1980-12-16
NO801504L (no)	1980-11-24
AU532884B2 (en)	1983-10-20
ES8203906A1 (es)	1982-04-16
FI801642A (fi)	1980-11-24
SU984411A3 (ru)	1982-12-23
IL60141A (en)	1984-04-30
IL60140A (en)	1984-04-30
CS235508B2 (en)	1985-05-15
BE883418A (fr)	1980-11-21
NL8003024A (nl)	1980-11-25
PH15916A (en)	1983-04-22
DE3019430A1 (de)	1980-12-04
PT71277A (fr)	1980-06-01
DK223180A (da)	1980-11-24
JPS55154979A (en)	1980-12-02
CH650000A5 (fr)	1985-06-28
GB2051061A (en)	1981-01-14
FR2457297B1 (es)	1982-10-22
PL224390A1 (es)	1981-02-13
ZA803036B (en)	1981-05-27
ZW12380A1 (en)	1980-11-26
SE8003823L (sv)	1980-11-24
CH645380A5 (fr)	1984-09-28
GB2052488B (en)	1983-09-21
NZ193801A (en)	1983-03-15
BE883417A (fr)	1980-11-21

Publication	Publication Date	Title
ES493633A0 (es)	1981-07-01	Procedimiento para la obtencion de muramilpeptidos
ES500792A0 (es)	1982-06-01	Procedimiento para preparar derivados de cefalosporina
ES494165A0 (es)	1981-08-01	Procedimiento de preparar compuestos amidicos
ES496848A0 (es)	1981-11-16	Procedimiento para la obtencion de azoliloxi-carboxil-n- oxiamidas
ES491686A0 (es)	1980-12-16	Procedimiento para la obtencion de tiovinil-3 cefalosporinas
AR227645A1 (es)	1982-11-30	Procedimiento para la preparacion de oxoalcohilxantinas
ES495214A0 (es)	1982-07-01	Procedimiento para la obtencion de nuevos derivados defor- miltilosinos
ES493770A0 (es)	1981-04-01	Procedimiento para la obtencion de poliarilensulfuros
ES493330A0 (es)	1981-11-16	Procedimiento para la obtencion de nikkomicinas de efecto pesticida
ES495237A0 (es)	1981-09-01	Procedimiento para la obtencion de vinil-3 cefalosporinas
ES493771A0 (es)	1981-10-16	Procedimiento para la obtencion de poliarilensulfuros
ES491687A0 (es)	1980-12-16	Procedimiento para la obtencion de derivados de vinil-3 ce- falosporina
ES488717A0 (es)	1980-12-16	Procedimiento para la obtencion de derivados de pirazol
ES487746A0 (es)	1981-02-16	Procedimiento para la preparacion de bis-estiril-benceno
ES490421A0 (es)	1981-04-01	Procedimiento para la preparacion de diestirilbencenos
ES490420A0 (es)	1981-04-01	Procedimiento para la preparacion de diestirilbifenilos
ES491527A0 (es)	1980-12-16	Procedimiento para la preparacion de tiazoliliden-oxo-pro- pionitrilos
ES490475A0 (es)	1981-08-16	Procedimiento para la obtencion de metilolaminotriazinas eteradas
ES490988A0 (es)	1980-12-16	Procedimiento para la obtencion de butirolactona
ES490987A0 (es)	1980-12-16	Procedimiento para la obtencion de nuevos aldehido-eteres alifaticos
ES488810A0 (es)	1981-02-16	Procedimiento para la obtencion de diazatriciclos
ES490797A0 (es)	1981-11-01	Procedimiento para la obtencion de derivados de benzotiazol
AR225159A1 (es)	1982-02-26	Procedimiento para la preparacion de l-alpha-gliceril-fosforilcolina
ES487955A0 (es)	1980-12-16	Procedimiento para preparar nuevos derivados de cefalosporina
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