CH482691A - Procédé de préparation de pipérazines 1,4-disubstituées - Google Patents

Procédé de préparation de pipérazines 1,4-disubstituées

Info

Publication number
CH482691A
CH482691A CH1141863A CH1141863A CH482691A CH 482691 A CH482691 A CH 482691A CH 1141863 A CH1141863 A CH 1141863A CH 1141863 A CH1141863 A CH 1141863A CH 482691 A CH482691 A CH 482691A
Authority
CH
Switzerland
Prior art keywords
preparing
disubstituted piperazines
piperazines
disubstituted
Prior art date
Application number
CH1141863A
Other languages
English (en)
French (fr)
Inventor
Stephen Tomcufcik Andrew
Frank Fabio Paul
May Hoffman Arlene
Original Assignee
American Cyanamid Co
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.)
Filing date
Publication date
Application filed by American Cyanamid Co filed Critical American Cyanamid Co
Priority to CH842566A priority Critical patent/CH499524A/fr
Priority to CH1174870A priority patent/CH514608A/fr
Priority to CH735968A priority patent/CH484160A/fr
Publication of CH482691A publication Critical patent/CH482691A/fr

Links

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
    • C07D295/16—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 acylated on ring nitrogen atoms
    • C07D295/18—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 acylated on ring nitrogen atoms by radicals derived from carboxylic acids, or sulfur or nitrogen analogues thereof
    • C07D295/182—Radicals derived from carboxylic acids
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D215/00—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems
    • C07D215/02—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom
    • C07D215/16—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom 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
    • C07D215/48—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen
    • 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
    • C07D295/12—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 singly or doubly bound nitrogen atoms
    • C07D295/125—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 singly or doubly bound nitrogen atoms with the ring nitrogen atoms and the substituent nitrogen atoms attached to the same carbon chain, which is not interrupted by carbocyclic rings
    • C07D295/13—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 singly or doubly bound nitrogen atoms with the ring nitrogen atoms and the substituent nitrogen atoms attached to the same carbon chain, which is not interrupted by carbocyclic rings to an acyclic saturated chain
    • 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
    • C07D295/16—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 acylated on ring nitrogen atoms
    • C07D295/18—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 acylated on ring nitrogen atoms by radicals derived from carboxylic acids, or sulfur or nitrogen analogues thereof
    • C07D295/182—Radicals derived from carboxylic acids
    • C07D295/192—Radicals derived from carboxylic acids from aromatic carboxylic acids
    • 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
    • C07D295/16—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 acylated on ring nitrogen atoms
    • C07D295/20—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 acylated on ring nitrogen atoms by radicals derived from carbonic acid, or sulfur or nitrogen analogues thereof
    • C07D295/205—Radicals derived from carbonic acid
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B43/00—Preparation of azo dyes from other azo compounds
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CH1141863A 1963-04-04 1963-09-16 Procédé de préparation de pipérazines 1,4-disubstituées CH482691A (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CH842566A CH499524A (fr) 1963-04-04 1963-09-16 Procédé de préparation de pipérazines 1,4-disubstituées
CH1174870A CH514608A (fr) 1963-04-04 1963-09-16 Procédé de préparation de pipérazines 1,4-disubstituées
CH735968A CH484160A (fr) 1963-04-04 1963-09-16 Procédé de préparation de pipérazines 1,4-disubstituées

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US27053463A 1963-04-04 1963-04-04
US27053763A 1963-04-04 1963-04-04
US27053663A 1963-04-04 1963-04-04
US37971464A 1964-07-01 1964-07-01
US468143A US3331830A (en) 1963-04-04 1965-06-29 1-substituted-4-substituted aminoalkylene piperazines
US468142A US3331843A (en) 1963-04-04 1965-06-29 1-substituted-4-substituted aminoalkylene piperazines

Publications (1)

Publication Number Publication Date
CH482691A true CH482691A (fr) 1969-12-15

Family

ID=27559486

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1141863A CH482691A (fr) 1963-04-04 1963-09-16 Procédé de préparation de pipérazines 1,4-disubstituées

Country Status (13)

Country Link
US (2) US3331843A (enExample)
BE (1) BE637271A (enExample)
BR (1) BR6352303D0 (enExample)
CH (1) CH482691A (enExample)
DE (1) DE1445425A1 (enExample)
FI (2) FI41280C (enExample)
FR (1) FR3708M (enExample)
GB (1) GB1047935A (enExample)
LU (1) LU44424A1 (enExample)
MC (1) MC435A1 (enExample)
NL (1) NL297170A (enExample)
NO (1) NO117694B (enExample)
SE (2) SE320667B (enExample)

Families Citing this family (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1165283A (en) * 1967-01-17 1969-09-24 Science Union & Cie New Purine Derivatives and processes for prepararing them
US3491098A (en) * 1967-05-29 1970-01-20 Sterling Drug Inc 1-((imidazolyl)-lower-alkyl)-4-substituted-piperazines
GB1279843A (en) * 1969-05-23 1972-06-28 Science Union & Cie Benzamidoethyl-piperazines and process for their preparation
US4081542A (en) * 1975-04-21 1978-03-28 Merck & Co., Inc. Piperazinylpyrazines
CH653021A5 (fr) * 1981-04-24 1985-12-13 Delalande Sa Derives piperidino, piperazino et homopiperazino, n-substitues par un groupe heterocyclique aromatique, leur procede de preparation et composition therapeutique les contenant.
US4457931A (en) * 1982-09-27 1984-07-03 Selvi & C. S.P.A. Piperazine derivatives with anticholinergic and/or antihistaminic activity
NL8601494A (nl) * 1985-06-22 1987-01-16 Sandoz Ag Thiazolen, hun bereiding en farmaceutische preparaten die ze bevatten.
US5057517A (en) * 1987-07-20 1991-10-15 Merck & Co., Inc. Piperazinyl derivatives of purines and isosteres thereof as hypoglycemic agents
US4977156A (en) * 1988-07-26 1990-12-11 The Dow Chemical Company Amino piperazine esters showing biocidal activity
US5032604A (en) * 1989-12-08 1991-07-16 Merck & Co., Inc. Class III antiarrhythmic agents
JP3193560B2 (ja) * 1993-04-16 2001-07-30 明治製菓株式会社 新規ベンゾオキサゾール誘導体
EP1158983A4 (en) * 1999-03-03 2003-05-21 Merck & Co Inc Prenyl protein transferase inhibitors
JP2002540072A (ja) * 1999-03-03 2002-11-26 メルク エンド カムパニー インコーポレーテッド プレニル蛋白トランスフェラーゼの阻害剤
AU5567000A (en) * 1999-06-24 2001-01-09 Toray Industries, Inc. Alpha1b-adrenergic receptor antagonists
AU6936500A (en) * 1999-08-24 2001-03-19 Regents Of The University Of California, The Non-quinoline inhibitors of malaria parasites
CA2475766C (en) * 2002-03-13 2012-06-05 Janssen Pharmaceutica N.V. Piperazinyl-, piperidinyl- and morpholinyl-derivatives as novel inhibitors of histone deacetylase
MXPA04008797A (es) * 2002-03-13 2004-11-26 Janssen Pharmaceutica Nv Inhibidores de histona desacetilasa.
HRP20040805A2 (en) 2002-03-13 2005-04-30 Janssen Pharmaceutica N.V. Carbonylamino derivatives as novel inhibitors histone deacetylase
EA007099B1 (ru) 2002-03-13 2006-06-30 Янссен Фармацевтика Н. В. Сульфонилпроизводные в качестве ингибиторов гистон-деацетилазы
KR101261305B1 (ko) 2004-07-28 2013-05-08 얀센 파마슈티카 엔.브이. 히스톤 디아세틸라제의 신규한 저해제로의 치환된 인돌릴알킬 아미노 유도체
UY29177A1 (es) * 2004-10-25 2006-05-31 Astex Therapeutics Ltd Derivados sustituidos de purina, purinona y deazapurina, composiciones que los contienen métodos para su preparación y sus usos
MY179032A (en) 2004-10-25 2020-10-26 Cancer Research Tech Ltd Ortho-condensed pyridine and pyrimidine derivatives (e.g.purines) as protein kinase inhibitors
WO2006089076A2 (en) 2005-02-18 2006-08-24 Neurogen Corporation Thiazole amides, imidazole amides and related analogues
ES2553178T3 (es) 2005-05-18 2015-12-04 Janssen Pharmaceutica N.V. Derivados sustituidos de aminopropenil piperidina o morfolina como nuevos inhibidores de histona deacetilasa
EP1981875B1 (en) * 2006-01-19 2014-04-16 Janssen Pharmaceutica N.V. Substituted indolyl-alkyl-amino-derivatives as inhibitors of histone deacetylase
WO2007082874A1 (en) * 2006-01-19 2007-07-26 Janssen Pharmaceutica N.V. Pyridine and pyrimidine derivatives as inhibitors of histone deacetylase
WO2007082876A1 (en) * 2006-01-19 2007-07-26 Janssen Pharmaceutica N.V. Pyridine and pyrimidine derivatives as inhibitors of histone deacetylase
CA2631876C (en) * 2006-01-19 2014-05-27 Janssen Pharmaceutica N.V. Aminophenyl derivatives as inhibitors of histone deacetylase
DK3421471T3 (da) 2006-04-25 2021-06-14 Astex Therapeutics Ltd Purin- og deazapurinderivater som farmaceutiske forbindelser
AU2008277796A1 (en) * 2007-07-19 2009-01-22 F. Hoffmann-La Roche Ag Novel heterocyclyl compounds and their use as chemokine antagonists
DK2195293T3 (da) 2007-08-22 2014-02-03 Astrazeneca Ab Cyclopropylamidderivater
PL2201012T3 (pl) 2007-10-11 2014-11-28 Astrazeneca Ab Pochodne pirolo[2,3-d]pirymidyny jako inhibitory kinazy białkowej b
EP2212310A4 (en) * 2007-10-15 2011-04-20 Elder Pharmaceuticals Ltd METHOD OF GENERATING BISCHINOLINE DERIVATIVES USING SOLELY N-MONOSUBSTITUTED PIPERAZINES FOR THE MOST IMPROVED METHOD
TW201039825A (en) * 2009-02-20 2010-11-16 Astrazeneca Ab Cyclopropyl amide derivatives 983
FR2945289A1 (fr) * 2009-05-11 2010-11-12 Sanofi Aventis Derives de 2-cycloamino-5-(pyridin-4-yl)imidazo°2,1-b! °1,3,4!thiadiazole, leur preparation et leur application en therapeutique
WO2011095885A1 (en) * 2010-02-08 2011-08-11 Matrix Laboratories Ltd. An improved process for the preparation of piperaquine
US20110201622A1 (en) * 2010-02-18 2011-08-18 Collins Craig D Solid Forms Comprising A Cyclopropyl Amide Derivative
BR112012020629A2 (pt) 2010-02-18 2018-06-19 Astrazeneca Ab forma cristalina, e, método para a terapia de um distúrbio
EA027506B1 (ru) 2011-04-01 2017-08-31 Астразенека Аб Способ лечения рака молочной железы
US9206133B2 (en) * 2011-06-06 2015-12-08 Sigma-Tau Industrie Farmaceutiche Riunite S.P.A. Process for the synthesis of 7-chloro-4-(piperazin-1-yl)-quinoline
HRP20191982T4 (hr) 2011-11-30 2023-01-06 Astrazeneca Ab Kombinacijsko liječenje raka
AU2013204533B2 (en) 2012-04-17 2017-02-02 Astrazeneca Ab Crystalline forms
IL294124B2 (en) 2015-12-10 2024-02-01 Ptc Therapeutics Inc Methods for treating huntington's disease
US11407753B2 (en) 2017-06-05 2022-08-09 Ptc Therapeutics, Inc. Compounds for treating Huntington's disease
US11382918B2 (en) 2017-06-28 2022-07-12 Ptc Therapeutics, Inc. Methods for treating Huntington's Disease
WO2019005993A1 (en) 2017-06-28 2019-01-03 Ptc Therapeutics, Inc. METHODS OF TREATING HUNTINGTON'S DISEASE
MX2020009957A (es) 2018-03-27 2021-01-15 Ptc Therapeutics Inc Compuestos para el tratamiento de enfermedad de hungtinton.
CN110606830B (zh) * 2018-06-14 2022-03-18 珠海润都制药股份有限公司 一种哌嗪套用生产磷酸哌喹中间体喹啉哌嗪盐酸盐的方法
PL3814357T3 (pl) 2018-06-27 2024-09-16 Ptc Therapeutics, Inc. Związki heterocykliczne i heteroarylowe do leczenia choroby huntingtona
EP3814345B8 (en) 2018-06-27 2024-10-30 PTC Therapeutics, Inc. Heteroaryl compounds for treating huntington's disease
EP3814360B8 (en) * 2018-06-27 2024-11-06 PTC Therapeutics, Inc. Heteroaryl compounds for treating huntington's disease
WO2020231977A1 (en) 2019-05-13 2020-11-19 Ptc Therapeutics, Inc. Compounds for treating huntington's disease

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2513026A (en) * 1950-06-27 Process for preparing same
NL72956C (enExample) * 1947-11-12
US2861072A (en) * 1952-07-19 1958-11-18 Abbott Lab Preparation of piperazine derivatives
US2794804A (en) * 1955-03-24 1957-06-04 American Cyanamid Co Substituted piperazines and method of preparing the same
US2949431A (en) * 1957-07-17 1960-08-16 Mobay Chemical Corp Preparation of cellular polyurethanes using piperazine catalysts
US3098066A (en) * 1960-03-04 1963-07-16 Ciba Geigy Corp Diaza-heterocyclic guanidine compounds
US3015657A (en) * 1959-05-28 1962-01-02 Charles F Geschickter 1-carbalkoxy-4-(aminoalkanol) piperazines
US3030366A (en) * 1961-01-25 1962-04-17 Lakeside Lab Inc Piperazinoalkyl glycolamides
FR1525M (fr) * 1961-07-25 1962-11-16 Ile De France Médicaments antiémétiques nouveaux.
US3190883A (en) * 1962-10-05 1965-06-22 Geschickter Fund Med Res Aminoalkanol derivatives of piperazines
US3184382A (en) * 1963-08-12 1965-05-18 Pure Oil Co Method of producing tranquilization by hydroxy-loweralkyl-n-substituted carbamic acid esters

Also Published As

Publication number Publication date
BR6352303D0 (pt) 1973-07-17
SE320667B (enExample) 1970-02-16
FR3708M (fr) 1965-11-29
FI42440C (fi) 1970-08-10
LU44424A1 (enExample) 1963-11-11
BE637271A (enExample) 1900-01-01
GB1047935A (en) 1966-11-09
FI42440B (enExample) 1970-04-30
DE1445425A1 (de) 1968-10-31
NO117694B (enExample) 1969-09-15
US3331843A (en) 1967-07-18
NL297170A (enExample) 1900-01-01
FI41280B (enExample) 1969-06-30
MC435A1 (fr) 1964-07-06
FI41280C (fi) 1969-10-10
SE346316B (enExample) 1972-07-03
US3331830A (en) 1967-07-18

Similar Documents

Publication Publication Date Title
CH482691A (fr) Procédé de préparation de pipérazines 1,4-disubstituées
CH438294A (fr) Procédé de préparation de la périplogénine
CH429748A (fr) Procédé de préparation d'une 2-N-aroyl-2', 3'-0-isopropylidène-guanosine
FR1335831A (fr) Procédé de préparation de nu-(3, 3-diphényl-3-alcanoyl)-propylspiro
FR1370795A (fr) Procédé de préparation de benzo-gamma-pyrones substituées en 3
FR1397573A (fr) Procédé de préparation de 2. 6-dichloro-benzonitrile
FR1403372A (fr) Procédé de préparation de 5-aminopyrazols substitués
FR1377140A (fr) Procédé de préparation du 2-méthyl-2-secondobutylpropanediol-1, 3
FR94701E (fr) Pipérazines-1,4-disubstituées et procédé pour leur préparation.
FR1391609A (fr) Procédé de préparation d'aldéhydes
FR1392872A (fr) Procédé de préparation des phtaloylpyrrocolines
FR1405725A (fr) Procédé de préparation de la 5, 5-diméthyl-4-iminohydantoine
CH414633A (fr) Procédé de préparation de di-acyl-3,4 pyridoxines
FR1401077A (fr) Procédé perfectionné de préparation du 1, 2, 3, 4-tétrachlorobutane
CH428696A (fr) Procédé de préparation d'alcoyl-cyclopentane-diones
FR1434172A (fr) Procédé de préparation de nouvelles oestrones substituées
FR1356114A (fr) Procédé de préparation de trans-diméthylolcyclohexane-1, 4
FR1381649A (fr) Procédé de préparation de 5-androstènes 3, 19-disubstitués
FR1376209A (fr) Procédé de préparation de la triméthylène-1, 3, 5-trisulfone
FR1396616A (fr) Procédé perfectionné de préparation de diaminomonoazotriazines
FR1404689A (fr) Procédé de préparation de nouvelles lactones
FR1394286A (fr) Procédé de préparation d'oxazinones
FR1397085A (fr) Procédé de préparation du 1, 2-dicyanocyclobutane
FR1401076A (fr) Procédé de préparation du 1, 2, 3, 4-tétrachlorobutane
CH420166A (fr) Procédé de préparation d'w-lactames

Legal Events

Date Code Title Description
PL Patent ceased