ES437011A1 - Un procedimiento para la preparacion de derivados de bencil-pirimidina. - Google Patents

Un procedimiento para la preparacion de derivados de bencil-pirimidina.

Info

Publication number: ES437011A1
Authority: ES; Spain
Prior art keywords: formula; group; alkyl; compound; alkenyl
Prior art date: 1973-09-12
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

ES437011A

Other languages

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.)

F Hoffmann La Roche AG

Original Assignee

F Hoffmann La Roche 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.)

1973-09-12

Filing date

1975-04-25

Publication date

1977-04-01

1975-04-25 Application filed by F Hoffmann La Roche AG filed Critical F Hoffmann La Roche AG

1977-04-01 Publication of ES437011A1 publication Critical patent/ES437011A1/es

Status Expired legal-status Critical Current

Links

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D207/30—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having two double bonds between ring members or between ring members and non-ring members
- C07D207/32—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having two 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
- C07D207/325—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having two 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 with substituted hydrocarbon radicals directly attached to the ring nitrogen atom
- 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
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C255/00—Carboxylic acid nitriles
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D207/30—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having two double bonds between ring members or between ring members and non-ring members
- C07D207/32—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having two 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
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D207/30—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having two double bonds between ring members or between ring members and non-ring members
- C07D207/32—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having two 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
- C07D207/325—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having two 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 with substituted hydrocarbon radicals directly attached to the ring nitrogen atom
- C07D207/327—Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
- C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
- C07D239/24—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
- C07D239/28—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more 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, directly attached to ring carbon atoms
- C07D239/46—Two or more oxygen, sulphur or nitrogen atoms
- C07D239/48—Two nitrogen atoms
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
- C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
- C07D239/24—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
- C07D239/28—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more 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, directly attached to ring carbon atoms
- C07D239/46—Two or more oxygen, sulphur or nitrogen atoms
- C07D239/48—Two nitrogen atoms
- C07D239/49—Two nitrogen atoms with an aralkyl radical, or substituted aralkyl radical, attached in position 5, e.g. trimethoprim
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D295/00—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
- C07D295/04—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms
- C07D295/14—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D295/155—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals with the ring nitrogen atoms and the carbon atoms with three bonds to hetero atoms separated by carbocyclic rings or by carbon chains interrupted by carbocyclic rings

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Health & Medical Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
General Health & Medical Sciences (AREA)
General Chemical & Material Sciences (AREA)
Medicinal Chemistry (AREA)
Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
Oncology (AREA)
Pharmacology & Pharmacy (AREA)
Communicable Diseases (AREA)
Animal Behavior & Ethology (AREA)
Chemical Kinetics & Catalysis (AREA)
Public Health (AREA)
Veterinary Medicine (AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Nitrogen Condensed Heterocyclic Rings (AREA)
Plural Heterocyclic Compounds (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Pyrrole Compounds (AREA)
Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)

ES437011A 1973-09-12 1975-04-25 Un procedimiento para la preparacion de derivados de bencil-pirimidina. Expired ES437011A1 (es)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH1305773A CH591456A5 (es)	1973-09-12	1973-09-12

Publications (1)

Publication Number	Publication Date
ES437011A1 true ES437011A1 (es)	1977-04-01

Family

ID=4388903

Family Applications (7)

Application Number	Title	Priority Date	Filing Date
ES429949A Expired ES429949A1 (es)	1973-09-12	1974-09-11	Un procedimiento para la preparacion de derivados de ben- cilpirimidina.
ES437009A Expired ES437009A1 (es)	1973-09-12	1975-04-25	Un procedimiento para la preparacion de derivados de bencil-pirimidina.
ES437011A Expired ES437011A1 (es)	1973-09-12	1975-04-25	Un procedimiento para la preparacion de derivados de bencil-pirimidina.
ES437012A Expired ES437012A1 (es)	1973-09-12	1975-04-25	Un procedimiento para la preparacion de derivados de bencil-pirimidina.
ES437007A Expired ES437007A1 (es)	1973-09-12	1975-04-25	Procedimiento para la preparacion de derivados de bencilpi- rimidina.
ES437013A Expired ES437013A1 (es)	1973-09-12	1975-04-25	Un procedimiento para la preparacion de derivados de bencil-pirimidina.
ES437008A Expired ES437008A1 (es)	1973-09-12	1975-04-25	Un procedimiento para la preparacion de derivados de bencil-pirimidina.

Family Applications Before (2)

Application Number	Title	Priority Date	Filing Date
ES429949A Expired ES429949A1 (es)	1973-09-12	1974-09-11	Un procedimiento para la preparacion de derivados de ben- cilpirimidina.
ES437009A Expired ES437009A1 (es)	1973-09-12	1975-04-25	Un procedimiento para la preparacion de derivados de bencil-pirimidina.

Family Applications After (4)

Application Number	Title	Priority Date	Filing Date
ES437012A Expired ES437012A1 (es)	1973-09-12	1975-04-25	Un procedimiento para la preparacion de derivados de bencil-pirimidina.
ES437007A Expired ES437007A1 (es)	1973-09-12	1975-04-25	Procedimiento para la preparacion de derivados de bencilpi- rimidina.
ES437013A Expired ES437013A1 (es)	1973-09-12	1975-04-25	Un procedimiento para la preparacion de derivados de bencil-pirimidina.
ES437008A Expired ES437008A1 (es)	1973-09-12	1975-04-25	Un procedimiento para la preparacion de derivados de bencil-pirimidina.

Country Status (28)

Country	Link
JP (1)	JPS6042238B2 (es)
AR (2)	AR207764A1 (es)
AT (1)	AT338797B (es)
BE (1)	BE819773A (es)
BR (1)	BR7407614D0 (es)
CA (1)	CA1037476A (es)
CH (1)	CH591456A5 (es)
CU (1)	CU34115A (es)
DD (2)	DD122785A5 (es)
DE (1)	DE2443682C2 (es)
DK (1)	DK135683B (es)
ES (7)	ES429949A1 (es)
FI (1)	FI58638C (es)
FR (1)	FR2242984B1 (es)
GB (3)	GB1484482A (es)
HK (1)	HK181A (es)
HU (1)	HU170427B (es)
IE (1)	IE40523B1 (es)
IL (1)	IL45510A (es)
LU (1)	LU70878A1 (es)
NL (1)	NL155827B (es)
NO (1)	NO140858C (es)
PH (1)	PH10643A (es)
PL (2)	PL97757B1 (es)
SE (1)	SE419443B (es)
SU (3)	SU577987A3 (es)
YU (3)	YU217874A (es)
ZA (1)	ZA745317B (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4515948A (en) *	1973-09-12	1985-05-07	Hoffmann-La Roche Inc.	2,4-Diamino-5-(4-amino and 4-dimethylamino-3,5-dimethoxy benzyl)pyrimidines
JPS5481278A (en) *	1977-10-18	1979-06-28	Wellcome Found	Manufacture of triiseccaminomethane
CH639273A5 (de) *	1978-09-12	1983-11-15	Hoffmann La Roche	Diuretische mittel.
DE3250132C2 (de) *	1981-11-09	1997-01-16	Mallinckrodt Veterinary Inc	Verfahren zur Herstellung von 2,4-Diamino-5-benzyl-pyrimidinen und neue Zwischenprodukte des Verfahrens
FR2516081B1 (fr) *	1981-11-09	1987-05-29	Wellcome Found	Synthese de benzylpyrimidines et produits intermediaires pour cette synthese
GB2180836A (en) *	1985-09-27	1987-04-08	William James Stephen Barker	Sunscreen
JPH0431685Y2 (es) *	1987-06-01	1992-07-30
US4900859A (en) *	1987-12-03	1990-02-13	Hoffman-La Roche Inc.	Process for 4-dimethylamino-3,5-dimethoxybenzaldehyde
CA1300166C (en) *	1987-12-03	1992-05-05	Alfredo Guerrato	Process for the preparation of a benzoic acid ester

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1103931B (de) *	1957-02-21	1961-04-06	Wellcome Found	Verfahren zur Herstellung von 2, 4-Diamino-5-benzylpyrimidinderivaten
US3485840A (en) *	1964-11-12	1969-12-23	Hoffmann La Roche	2,4-diamino - 5 - (2',4',5'-substituted benzyl) pyrimidines,intermediates and processes

1973
- 1973-09-12 CH CH1305773A patent/CH591456A5/xx not_active IP Right Cessation
1974
- 1974-01-01 AR AR255569A patent/AR207764A1/es active
- 1974-08-06 YU YU02178/74A patent/YU217874A/xx unknown
- 1974-08-19 ZA ZA00745317A patent/ZA745317B/xx unknown
- 1974-08-21 CA CA207,509A patent/CA1037476A/en not_active Expired
- 1974-08-21 IL IL45510A patent/IL45510A/xx unknown
- 1974-09-02 FI FI2561/74A patent/FI58638C/fi active
- 1974-09-03 NL NL7411685.A patent/NL155827B/xx not_active IP Right Cessation
- 1974-09-04 DK DK468374AA patent/DK135683B/da unknown
- 1974-09-06 PL PL1974173909A patent/PL97757B1/pl unknown
- 1974-09-06 PL PL1974195308A patent/PL99159B1/pl unknown
- 1974-09-09 SE SE7411382A patent/SE419443B/xx unknown
- 1974-09-09 IE IE1870/74A patent/IE40523B1/xx unknown
- 1974-09-09 PH PH16253A patent/PH10643A/en unknown
- 1974-09-10 DD DD190238A patent/DD122785A5/xx unknown
- 1974-09-10 JP JP49103536A patent/JPS6042238B2/ja not_active Expired
- 1974-09-10 DD DD181015A patent/DD116824A5/xx unknown
- 1974-09-10 LU LU70878A patent/LU70878A1/xx unknown
- 1974-09-10 FR FR7430568A patent/FR2242984B1/fr not_active Expired
- 1974-09-11 ES ES429949A patent/ES429949A1/es not_active Expired
- 1974-09-11 SU SU7402058406A patent/SU577987A3/ru active
- 1974-09-11 GB GB47893/76A patent/GB1484482A/en not_active Expired
- 1974-09-11 HU HUHO1718A patent/HU170427B/hu not_active IP Right Cessation
- 1974-09-11 GB GB39617/74A patent/GB1484481A/en not_active Expired
- 1974-09-11 CU CU34115A patent/CU34115A/es unknown
- 1974-09-11 GB GB47894/76A patent/GB1484483A/en not_active Expired
- 1974-09-11 AT AT735174A patent/AT338797B/de not_active IP Right Cessation
- 1974-09-11 BE BE148396A patent/BE819773A/xx not_active IP Right Cessation
- 1974-09-11 NO NO743271A patent/NO140858C/no unknown
- 1974-09-12 BR BR7614/74A patent/BR7407614D0/pt unknown
- 1974-09-12 DE DE2443682A patent/DE2443682C2/de not_active Expired
1975
- 1975-04-25 ES ES437009A patent/ES437009A1/es not_active Expired
- 1975-04-25 ES ES437011A patent/ES437011A1/es not_active Expired
- 1975-04-25 ES ES437012A patent/ES437012A1/es not_active Expired
- 1975-04-25 ES ES437007A patent/ES437007A1/es not_active Expired
- 1975-04-25 ES ES437013A patent/ES437013A1/es not_active Expired
- 1975-04-25 ES ES437008A patent/ES437008A1/es not_active Expired
- 1975-06-20 SU SU752145937A patent/SU609465A3/ru active
- 1975-06-20 SU SU7502145932A patent/SU571189A3/ru active
- 1975-06-30 AR AR259408A patent/AR211387Q/es unknown
1980
- 1980-11-27 YU YU3015/80A patent/YU37153B/xx unknown
- 1980-11-27 YU YU3016/80A patent/YU37154B/xx unknown
1981
- 1981-01-08 HK HK1/81A patent/HK181A/xx unknown

Also Published As

Publication number	Publication date
SU571189A3 (ru)	1977-08-30
BE819773A (fr)	1975-03-11
ES437012A1 (es)	1977-04-01
PL99159B1 (pl)	1978-06-30
YU301580A (en)	1983-04-27
ES429949A1 (es)	1976-10-01
JPS6042238B2 (ja)	1985-09-20
ES437007A1 (es)	1977-04-01
DD116824A5 (es)	1975-12-12
SE419443B (sv)	1981-08-03
SU609465A3 (ru)	1978-05-30
ES437008A1 (es)	1977-04-01
NO140858C (no)	1979-11-28
FR2242984B1 (es)	1977-11-04
YU217874A (en)	1982-06-18
AT338797B (de)	1977-09-12
DD122785A5 (es)	1976-11-05
CU34115A (es)	1983-10-04
ZA745317B (en)	1975-11-26
PL97757B1 (pl)	1978-03-30
AR211387Q (es)	1977-12-15
ES437013A1 (es)	1977-04-01
IE40523L (en)	1975-03-12
DE2443682A1 (de)	1975-03-20
NL7411685A (nl)	1975-03-14
HK181A (en)	1981-01-16
CU21022L (en)	1981-09-09
CH591456A5 (es)	1977-09-15
FI58638C (fi)	1981-03-10
ATA735174A (de)	1977-01-15
IL45510A (en)	1978-08-31
GB1484483A (en)	1977-09-01
NO743271L (es)	1975-04-07
FR2242984A1 (es)	1975-04-04
BR7407614D0 (pt)	1975-07-08
YU37154B (en)	1984-08-31
SU577987A3 (ru)	1977-10-25
IL45510A0 (en)	1974-11-29
ES437009A1 (es)	1977-04-01
FI256174A (es)	1975-03-13
YU301680A (en)	1983-04-27
IE40523B1 (en)	1979-06-20
HU170427B (es)	1977-06-28
DK468374A (es)	1975-05-12
AU7263174A (en)	1976-02-26
LU70878A1 (es)	1976-08-19
DE2443682C2 (de)	1983-11-10
GB1484482A (en)	1977-09-01
SE7411382L (es)	1975-03-13
DK135683B (da)	1977-06-06
DK135683C (es)	1977-11-14
NO140858B (no)	1979-08-20
NL155827B (nl)	1978-02-15
YU37153B (en)	1984-08-31
GB1484481A (en)	1977-09-01
JPS5053385A (es)	1975-05-12
AR207764A1 (es)	1976-10-29
CA1037476A (en)	1978-08-29
FI58638B (fi)	1980-11-28
PH10643A (en)	1977-07-22

Legal Events

Date	Code	Title	Description
2007-02-16	FD1A	Patent lapsed	Effective date: 19921214

Publication	Publication Date	Title
ES462061A1 (es)	1978-06-16	Un procedimiento para la preparacion de nuevos derivados de tetrahidroisoquinoleina.
ES408736A1 (es)	1976-03-01	Procedimiento para la preparacion de compuestos imidazo- triazinonas.
ES309169A1 (es)	1965-10-16	Un procedimiento para la preparacion de derivados benzodiazepinicos.
ES394369A1 (es)	1974-11-01	Procedimiento para la preparacion de derivados de la isoin-dolina.
ES437011A1 (es)	1977-04-01	Un procedimiento para la preparacion de derivados de bencil-pirimidina.
ES387016A1 (es)	1976-05-01	Un procedimiento para la preparacion de derivado de isoqui-nolina.
ES330164A1 (es)	1967-09-16	Un procedimiento para preparar una triamida de un acido de fosforo.
ES345003A1 (es)	1969-01-01	Procedimiento para la obtencion de 3,4-dihidroquinazolinas.
ES389473A1 (es)	1974-12-16	Un procedimiento de preparacion de derivados de aminocarbo-nil-3 oxazolidinona-2.
ES404678A1 (es)	1975-07-16	Procedimiento para la obtencion de derivados de la fenan- tridina.
ES404745A1 (es)	1975-11-01	Un procedimiento para preparar cefalosporinas.
ES393934A2 (es)	1974-02-16	Procedimiento para la preparacion de derivados de teofili- na.
ES437790A1 (es)	1977-05-16	Procedimiento para preparar composiciones farmaceuticas y veterinarias.
ES419386A1 (es)	1976-07-01	Un procedimiento para la preparacion de nuevos derivados deindenopirrol.
ES400414A1 (es)	1975-06-16	Procedimiento para la preparacion de derivados de piperidi-na n-sustituidos y su utilizacion como estabilizadores.
ES404315A1 (es)	1975-12-16	Un procedimiento de preparacion de un derivado de nitrosou-rea.
ES406098A1 (es)	1976-03-01	Procedimiento para la obtencion de derivados de 2,6-dini- tro-3,4-xilidena.
ES442051A1 (es)	1977-04-01	Procedimiento para preparar aminoglicosidos de 2-deoxies- treptamina.
ES387410A1 (es)	1973-05-16	Un procedimiento de preparacion de nuevas sales de mono- esteres de piridoxina.
ES451655A1 (es)	1978-01-01	Un procedimiento para la preparacion de derivados de pirimi-dina.
ES409606A1 (es)	1975-12-16	Procedimiento para la obtencion de colorantes oxazinicos.
ES393554A1 (es)	1974-11-16	Un procedimiento para la preparacion de derivados de tia- zol.
ES401342A1 (es)	1975-02-16	Procedimiento para la preparacion de nuevos derivados de lapiridina y de sus sales.
ES437041A1 (es)	1977-01-16	Un procedimiento para preparar derivados de 1-ftalazona.
ES441029A1 (es)	1977-03-01	Procedimiento de preparacion de un nuevo derivado del acido acetilsalicilico.