ES396214A1 - Procedimiento para la preparacion de derivados de piperazi-na racemicos u opticamente activos. - Google Patents

Procedimiento para la preparacion de derivados de piperazi-na racemicos u opticamente activos.

Info

Publication number: ES396214A1
Authority: ES; Spain
Prior art keywords: formula; bicyclic aryl; ring; racemic; acid addition
Prior art date: 1970-07-30
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

ES396214A

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.)

CH Boehringer Sohn AG and Co KG

Original Assignee

CH Boehringer Sohn AG and Co KG

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.)

1970-07-30

Filing date

1971-10-21

Publication date

1974-04-16

1971-10-21 Application filed by CH Boehringer Sohn AG and Co KG filed Critical CH Boehringer Sohn AG and Co KG

1974-04-16 Publication of ES396214A1 publication Critical patent/ES396214A1/es

Status Expired legal-status Critical Current

Classifications

- 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
- C07D295/02—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 containing only hydrogen and carbon atoms in addition to the ring hetero elements
- C07D295/027—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 containing only hydrogen and carbon atoms in addition to the ring hetero elements containing only one hetero ring
- C07D295/03—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 containing only hydrogen and carbon atoms in addition to the ring hetero elements containing only one hetero ring with the ring nitrogen atoms directly attached to acyclic carbon atoms
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
- C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
- C07D311/58—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4
- 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
- C07D317/44—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 ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D317/46—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 ortho- or peri-condensed with carbocyclic rings or ring systems condensed with one six-membered ring
- C07D317/48—Methylenedioxybenzenes or hydrogenated methylenedioxybenzenes, unsubstituted on the hetero ring
- C07D317/50—Methylenedioxybenzenes or hydrogenated methylenedioxybenzenes, unsubstituted on the hetero ring with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to atoms of the carbocyclic ring
- C07D317/56—Radicals substituted by sulfur atoms
- 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
- C07D317/44—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 ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D317/46—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 ortho- or peri-condensed with carbocyclic rings or ring systems condensed with one six-membered ring
- C07D317/48—Methylenedioxybenzenes or hydrogenated methylenedioxybenzenes, unsubstituted on the hetero ring
- C07D317/50—Methylenedioxybenzenes or hydrogenated methylenedioxybenzenes, unsubstituted on the hetero ring with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to atoms of the carbocyclic ring
- C07D317/58—Radicals substituted by nitrogen atoms
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D319/00—Heterocyclic compounds containing six-membered rings having two oxygen atoms as the only ring hetero atoms
- C07D319/10—1,4-Dioxanes; Hydrogenated 1,4-dioxanes
- C07D319/14—1,4-Dioxanes; Hydrogenated 1,4-dioxanes condensed with carbocyclic rings or ring systems
- C07D319/16—1,4-Dioxanes; Hydrogenated 1,4-dioxanes condensed with carbocyclic rings or ring systems condensed with one six-membered ring
- C07D319/18—Ethylenedioxybenzenes, not substituted on the hetero ring

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
Nitrogen Condensed Heterocyclic Rings (AREA)
Plural Heterocyclic Compounds (AREA)

ES396214A 1970-07-30 1971-10-21 Procedimiento para la preparacion de derivados de piperazi-na racemicos u opticamente activos. Expired ES396214A1 (es)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2037852A DE2037852C3 (de)	1970-07-30	1970-07-30	Neue Piperazinderivate und Verfahren zu ihrer Herstellung

Publications (1)

Publication Number	Publication Date
ES396214A1 true ES396214A1 (es)	1974-04-16

Family

ID=5778382

Family Applications (6)

Application Number	Title	Priority Date	Filing Date
ES393738A Expired ES393738A1 (es)	1970-07-30	1971-07-29	Procedimiento para la preparacion de derivados de piperazi-na.
ES396215A Expired ES396215A1 (es)	1970-07-30	1971-10-21	Procedimiento para la preparacion de derivados de piperazi-na racemicos u opticamente activos.
ES396212A Expired ES396212A1 (es)	1970-07-30	1971-10-21	Procedimiento para la preparacion de derivados de piperazi-na racemicos u opticamente activos.
ES396216A Expired ES396216A1 (es)	1970-07-30	1971-10-21	Procedimiento para la preparacion de derivados de piperazi-na racemicos u opticamente activos.
ES396214A Expired ES396214A1 (es)	1970-07-30	1971-10-21	Procedimiento para la preparacion de derivados de piperazi-na racemicos u opticamente activos.
ES396213A Expired ES396213A1 (es)	1970-07-30	1971-10-21	Procedimiento para la preparacion de derivados de piperazi-na racemicos u opticamente activos.

Family Applications Before (4)

Application Number	Title	Priority Date	Filing Date
ES393738A Expired ES393738A1 (es)	1970-07-30	1971-07-29	Procedimiento para la preparacion de derivados de piperazi-na.
ES396215A Expired ES396215A1 (es)	1970-07-30	1971-10-21	Procedimiento para la preparacion de derivados de piperazi-na racemicos u opticamente activos.
ES396212A Expired ES396212A1 (es)	1970-07-30	1971-10-21	Procedimiento para la preparacion de derivados de piperazi-na racemicos u opticamente activos.
ES396216A Expired ES396216A1 (es)	1970-07-30	1971-10-21	Procedimiento para la preparacion de derivados de piperazi-na racemicos u opticamente activos.

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
ES396213A Expired ES396213A1 (es)	1970-07-30	1971-10-21	Procedimiento para la preparacion de derivados de piperazi-na racemicos u opticamente activos.

Country Status (19)

Country	Link
US (1)	US3808212A (es)
JP (1)	JPS5716989B1 (es)
AT (6)	AT311984B (es)
AU (1)	AU463957B2 (es)
BE (1)	BE770800A (es)
BG (5)	BG20594A3 (es)
CH (6)	CH565165A5 (es)
CS (1)	CS172929B2 (es)
DE (1)	DE2037852C3 (es)
DK (1)	DK137990C (es)
ES (6)	ES393738A1 (es)
FR (1)	FR2100972B1 (es)
GB (1)	GB1344720A (es)
NL (1)	NL173643C (es)
PL (6)	PL91965B1 (es)
RO (6)	RO60596A (es)
SE (2)	SE375308B (es)
SU (6)	SU437292A3 (es)
YU (7)	YU34530B (es)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3940396A (en) *	1973-02-28	1976-02-24	Uniroyal Inc.	1,2,3,4,4A,5,7,7A-Octahydrothieno[3,4-b]pyrazines 6,6-dioxides
US3991036A (en) *	1973-02-28	1976-11-09	Uniroyal Inc.	Preparation of polyurethane using 1,2,3,4,4a,5,7,7a-Octahydrothieno[3,4-b]py
GB1407552A (en) *	1973-04-02	1975-09-24	Science Union & Cie	Disubstituted piperazines processes for their preparation and pharmaceutical compositions containing them
GB1432660A (en) *	1973-10-30	1976-04-22	Science Union & Cie	Piperazine derivatives processes for their preparation and and pharamacueitcal compositions containing them
US3960863A (en) *	1974-06-25	1976-06-01	Sankyo Company Limited	Pyrido[1,2-a]pyrimidinone derivatives
DE2604838A1 (de) *	1976-02-07	1977-08-11	Knoll Ag	Alkylendioxypiperazinderivate
WO1984002904A1 (en) *	1983-01-21	1984-08-02	Fisons Plc	Aromatic amines
DE3571436D1 (en) *	1984-12-21	1989-08-17	Duphar Int Res	New pharmaceutical compositions having anti-psychotic properties
FR2692264B1 (fr) *	1992-06-12	1994-08-05	Adir	Nouvelles piperazines 1,4-disubstituees, leur procede de preparation et les compositions pharmaceutiques les contenant.
FR2734819B1 (fr) *	1995-05-31	1997-07-04	Adir	Nouveaux composes de la piperazine, de la piperidine et de la 1,2,5,6-tetrahydropyridine, leur procede de preparation et les compositions pharmaceutiques les contenant
US6002005A (en) *	1995-06-02	1999-12-14	Neurogen Corporation	Certain 1-substituted aminomethyl imidazole and pyrrole derivatives: novel dopamine receptor subtype specific ligands
FR2737724B1 (fr) *	1995-08-09	1997-09-05	Synthelabo	Derives de 1-[2-(2,3-dihydro-1h-inden-1-yl)ethyl]-4- (naphtalen-1-yl) piperazine, leur preparation et leur application en therapeutique
JPH09124643A (ja) *	1995-08-14	1997-05-13	Bristol Myers Squibb Co	抗うつ作用を有する１−アリールアルキル−４−（アルコキシピリジニル）−又は４−（アルコキシピリミジニル）ピペラジン誘導体
US6040448A (en) *	1997-10-24	2000-03-21	Neurogen Corporation	Certain 1-(2-naphthyl) and 1-(2-azanaphthyl)-4-(1-phenylmethyl) piperazines, dopamine receptor subtype specific ligands
MA41169A (fr) *	2014-12-17	2017-10-24	Acraf	Composés antibactériens à large spectre d'activité

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL132357C (es) *	1966-09-03

1970
- 1970-07-30 DE DE2037852A patent/DE2037852C3/de not_active Expired
1971
- 1971-06-23 RO RO69217A patent/RO60596A/ro unknown
- 1971-06-23 RO RO67429A patent/RO59997A/ro unknown
- 1971-06-23 RO RO69219A patent/RO60597A/ro unknown
- 1971-06-23 RO RO69218A patent/RO61040A/ro unknown
- 1971-06-23 RO RO69222A patent/RO60599A/ro unknown
- 1971-06-23 RO RO69220A patent/RO60598A/ro unknown
- 1971-07-08 US US00160891A patent/US3808212A/en not_active Expired - Lifetime
- 1971-07-27 CH CH523875A patent/CH565165A5/xx not_active IP Right Cessation
- 1971-07-27 CH CH524175A patent/CH565167A5/xx not_active IP Right Cessation
- 1971-07-27 CH CH524075A patent/CH565166A5/xx not_active IP Right Cessation
- 1971-07-27 CH CH524275A patent/CH575412A5/xx not_active IP Right Cessation
- 1971-07-27 CH CH523975A patent/CH565781A5/xx not_active IP Right Cessation
- 1971-07-27 CH CH1106871A patent/CH565780A5/xx not_active IP Right Cessation
- 1971-07-28 BG BG21486A patent/BG20594A3/xx unknown
- 1971-07-28 BG BG021488A patent/BG20370A3/xx unknown
- 1971-07-28 SU SU1815881A patent/SU437292A3/ru active
- 1971-07-28 SU SU1815875A patent/SU437289A3/ru active
- 1971-07-28 SU SU1688445A patent/SU416945A3/ru active
- 1971-07-28 CS CS5538A patent/CS172929B2/cs unknown
- 1971-07-28 JP JP5608071A patent/JPS5716989B1/ja active Pending
- 1971-07-28 SU SU1815877A patent/SU437293A3/ru active
- 1971-07-28 BG BG018177A patent/BG21029A3/xx unknown
- 1971-07-28 SU SU1815878A patent/SU437290A3/ru active
- 1971-07-28 BG BG21487A patent/BG19598A3/xx unknown
- 1971-07-28 BG BG021484A patent/BG20369A3/xx unknown
- 1971-07-28 SU SU1815879A patent/SU440840A3/ru active
- 1971-07-29 PL PL1971182554A patent/PL91965B1/pl unknown
- 1971-07-29 AU AU31772/71A patent/AU463957B2/en not_active Expired
- 1971-07-29 AT AT1100072A patent/AT311984B/de not_active IP Right Cessation
- 1971-07-29 AT AT1100472A patent/AT311988B/de active
- 1971-07-29 AT AT1100372A patent/AT311987B/de active
- 1971-07-29 PL PL1971149717A patent/PL84664B1/pl unknown
- 1971-07-29 SE SE7109767A patent/SE375308B/xx unknown
- 1971-07-29 DK DK373271A patent/DK137990C/da active
- 1971-07-29 PL PL1971178479A patent/PL84348B1/pl unknown
- 1971-07-29 ES ES393738A patent/ES393738A1/es not_active Expired
- 1971-07-29 PL PL1971178481A patent/PL84610B1/pl unknown
- 1971-07-29 AT AT1100272A patent/AT311986B/de not_active IP Right Cessation
- 1971-07-29 AT AT1100172A patent/AT311985B/de not_active IP Right Cessation
- 1971-07-29 GB GB3577271A patent/GB1344720A/en not_active Expired
- 1971-07-29 PL PL1971178478A patent/PL84349B1/pl unknown
- 1971-07-29 PL PL1971178480A patent/PL84347B1/pl unknown
- 1971-07-29 AT AT664271A patent/AT311976B/de active
- 1971-07-29 YU YU1986/71A patent/YU34530B/xx unknown
- 1971-07-30 FR FR7128074A patent/FR2100972B1/fr not_active Expired
- 1971-07-30 BE BE770800A patent/BE770800A/xx not_active IP Right Cessation
- 1971-07-30 NL NLAANVRAGE7110538,A patent/NL173643C/xx not_active IP Right Cessation
- 1971-10-21 ES ES396215A patent/ES396215A1/es not_active Expired
- 1971-10-21 ES ES396212A patent/ES396212A1/es not_active Expired
- 1971-10-21 ES ES396216A patent/ES396216A1/es not_active Expired
- 1971-10-21 ES ES396214A patent/ES396214A1/es not_active Expired
- 1971-10-21 ES ES396213A patent/ES396213A1/es not_active Expired
1974
- 1974-06-27 SE SE7408533A patent/SE403288B/xx unknown
1978
- 1978-03-13 YU YU596/78A patent/YU34888B/xx unknown
- 1978-03-13 YU YU597/78A patent/YU35248B/xx unknown
- 1978-03-13 YU YU598/78A patent/YU34889B/xx unknown
- 1978-03-13 YU YU60078A patent/YU34891B/xx unknown
- 1978-03-13 YU YU599/78A patent/YU34890B/xx unknown
- 1978-06-12 YU YU01388/78A patent/YU138878A/xx unknown

Also Published As

Publication number	Publication date
US3808212A (en)	1974-04-30
BG20370A3 (bg)	1975-11-05
NL7110538A (es)	1972-02-01
CH565167A5 (es)	1975-08-15
CH575412A5 (es)	1976-05-14
DE2037852A1 (de)	1972-02-03
YU59778A (en)	1980-04-30
BE770800A (fr)	1972-01-31
AU3177271A (en)	1973-02-01
SE7408533L (es)	1974-06-27
CH565166A5 (es)	1975-08-15
PL84349B1 (es)	1976-03-31
ES396215A1 (es)	1974-04-16
RO59997A (es)	1976-06-15
ES396213A1 (es)	1974-04-16
AT311987B (de)	1973-12-10
AT311988B (de)	1973-12-10
BG21029A3 (bg)	1976-01-20
SU416945A3 (ru)	1974-02-25
PL84347B1 (es)	1976-03-31
AT311984B (de)	1973-12-10
YU35248B (en)	1980-10-31
CH565165A5 (es)	1975-08-15
YU34890B (en)	1980-04-30
CH565781A5 (es)	1975-08-29
DE2037852C3 (de)	1980-06-26
FR2100972B1 (es)	1974-11-15
YU34530B (en)	1979-09-10
CS172929B2 (es)	1977-01-28
SU437289A3 (ru)	1974-07-25
CH565780A5 (es)	1975-08-29
YU198671A (en)	1979-02-28
RO61040A (es)	1976-08-15
ES396212A1 (es)	1974-04-16
NL173643C (nl)	1984-02-16
SU437291A3 (ru)	1974-07-25
AT311976B (de)	1973-12-10
YU34891B (en)	1980-04-30
RO60599A (es)	1976-08-15
SU437293A3 (ru)	1974-07-25
YU59978A (en)	1979-10-31
SE375308B (es)	1975-04-14
BG19598A3 (es)	1975-06-25
BG20369A3 (bg)	1975-11-05
AT311985B (de)	1973-12-10
AT311986B (de)	1973-12-10
GB1344720A (en)	1974-01-23
YU60078A (en)	1979-10-31
SU437292A3 (ru)	1974-07-25
ES396216A1 (es)	1974-04-16
SE403288B (sv)	1978-08-07
YU59678A (en)	1979-10-31
DK137990C (da)	1978-11-13
DK137990B (da)	1978-06-19
JPS5716989B1 (es)	1982-04-08
SU437290A3 (ru)	1974-07-25
RO60596A (es)	1976-08-15
PL91965B1 (es)	1977-03-31
DE2037852B2 (de)	1979-10-11
NL173643B (nl)	1983-09-16
PL84610B1 (es)	1976-04-30
YU34889B (en)	1980-04-30
SU440840A3 (es)	1974-08-25
RO60597A (es)	1976-08-15
BG20594A3 (es)	1975-12-05
YU138878A (en)	1982-10-31
FR2100972A1 (es)	1972-03-24
ES393738A1 (es)	1974-07-01
YU59878A (en)	1979-10-31
AU463957B2 (en)	1975-08-14
PL84348B1 (es)	1976-03-31
PL84664B1 (es)	1976-04-30
YU34888B (en)	1980-04-30
RO60598A (es)	1976-07-15

Publication	Publication Date	Title
ES396214A1 (es)	1974-04-16	Procedimiento para la preparacion de derivados de piperazi-na racemicos u opticamente activos.
ES436311A1 (es)	1977-01-01	Procedimiento para la preparacion de nuevos 1-ariloxi-2-hi- droxi-3-alquinilaminopropanos.
ES382014A1 (es)	1973-06-16	Procedimiento para la preparacion de 1-fenoxi-2-hidroxi - - 3 - cicloalcohilaminopropanos racemicos u opticamente ac- tivados y sus sales por adicion de acido.
ES411341A1 (es)	1976-03-16	Procedimiento para la preparacion de compuestos heteroci- clicos sustituidos por un radical guanidinilideno.
ES387834A1 (es)	1973-06-01	Procedimiento para la preparacion de amidas de acido de vi-tamina a.
ES413260A1 (es)	1976-05-16	Metodo de preparar n-(1-sustituido-3-pirrolidinil) benzami-das.
ES388885A1 (es)	1973-06-01	Procedimiento para la preparacion de 1-(2-nitrilofenoxi)-2-hidroxi-3-etilaminopropano racemicos u opticamente activo.
ES390163A1 (es)	1973-07-01	Procedimiento para la preparacion de amino-derivados de los acidos pirazolo (3,4-b) piridina-5-carboxilicos.
ES405645A1 (es)	1975-07-16	Procedimiento para la preparacion de nuevos acidos 4 - (4 -bifenilil) - 4 - hidroxi - butiricos, sus esteres o lacto- nas.
ES386969A1 (es)	1973-04-16	Un metodo para preparar una amidinourea.
ES407866A1 (es)	1975-10-01	Procedimiento para la obtencion de n - (dietilaminoetil) - 2 - metoxi - 5 - metilsulfonil - benzamida.
ES398080A1 (es)	1975-03-01	Procedimiento para la preparacion de derivados de 1-vinil- carbonil-piperazina.
ES428011A1 (es)	1976-07-16	Procedimiento para la preparacion de 2-amino-3,5-dibromo- bencilamina.
ES396174A1 (es)	1974-04-01	Procedimiento para la preparacion de compuestos derivados de aminoetanol.
ES427954A1 (es)	1976-09-01	Procedimiento para la preparacion de 2-amino - n - ciclohe-xil-3,5-dibromo - n - metil-bencilamina.
ES399109A1 (es)	1976-01-01	Procedimiento para la preparacion de 1-(carbamoil monosus- tituido)-2-bencimidazolil-carbamatos.
ES423226A1 (es)	1976-05-01	Procedimiento para la preparacion de nuevas 1,4-benzodiaze-pinas.
ES8201160A1 (es)	1981-12-01	Procedimiento para la preparacion de 10-bromoisosandwicina
SE8302747L (sv)	1983-11-19	Indol-naftyridiner
ES440767A2 (es)	1977-04-01	Procedimiento para la preparacion de derivados de fenileti- lamina.
ES411327A1 (es)	1976-01-01	Un procedimiento para la preparacion de nuevas bencilpiri- midinas.
ES428270A1 (es)	1977-01-01	Procedimiento de preparacion del sec. butil-2-metil-1 nitro-5 imidazol.
ES392854A1 (es)	1973-10-01	Procedimiento para la preparacion de nuevos derivados de piracinil-urea.
ES402551A1 (es)	1975-04-01	Un procedimiento para la preparacion de derivados de pipe- razina.
ES405281A1 (es)	1975-07-01	Un procedimiento para preparar nuevos compuestos de cefa- losporina.