PH17194A - Novel carbostyril derivatives,and pharmaceutical composition containing the same - Google Patents

Novel carbostyril derivatives,and pharmaceutical composition containing the same

Info

Publication number
PH17194A
PH17194A PH25264A PH25264A PH17194A PH 17194 A PH17194 A PH 17194A PH 25264 A PH25264 A PH 25264A PH 25264 A PH25264 A PH 25264A PH 17194 A PH17194 A PH 17194A
Authority
PH
Philippines
Prior art keywords
same
pharmaceutical composition
composition containing
carbostyril derivatives
novel carbostyril
Prior art date
Application number
PH25264A
Other languages
English (en)
Inventor
Kazuo Banno
Masaaki Osaki
Kazutuki Nakagawa
Takafumi Fujioka
Original Assignee
Otsuka Pharma 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.)
Filing date
Publication date
Priority claimed from JP2880580A external-priority patent/JPS56125370A/ja
Priority claimed from JP11502280A external-priority patent/JPS5738772A/ja
Application filed by Otsuka Pharma Co Ltd filed Critical Otsuka Pharma Co Ltd
Publication of PH17194A publication Critical patent/PH17194A/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D215/00Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems
    • C07D215/02Heterocyclic 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
    • C07D215/16Heterocyclic 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
    • C07D215/20Oxygen atoms
    • C07D215/22Oxygen atoms attached in position 2 or 4
    • C07D215/227Oxygen atoms attached in position 2 or 4 only one oxygen atom which is attached in position 2

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
PH25264A 1980-03-06 1981-02-25 Novel carbostyril derivatives,and pharmaceutical composition containing the same PH17194A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2880580A JPS56125370A (en) 1980-03-06 1980-03-06 Carbostyril derivative
JP11502280A JPS5738772A (en) 1980-08-20 1980-08-20 Carbostyril derivative

Publications (1)

Publication Number Publication Date
PH17194A true PH17194A (en) 1984-06-19

Family

ID=26366952

Family Applications (1)

Application Number Title Priority Date Filing Date
PH25264A PH17194A (en) 1980-03-06 1981-02-25 Novel carbostyril derivatives,and pharmaceutical composition containing the same

Country Status (21)

Country Link
US (4) US4455422A (ru)
AT (1) AT381307B (ru)
AU (1) AU523005B2 (ru)
BE (1) BE887800A (ru)
CA (1) CA1155119A (ru)
CH (1) CH647775A5 (ru)
DE (2) DE3107601A1 (ru)
DK (1) DK155282C (ru)
ES (4) ES8301962A1 (ru)
FI (1) FI76323C (ru)
FR (1) FR2477542A1 (ru)
GB (1) GB2071094B (ru)
IT (1) IT1144315B (ru)
MX (1) MX6980E (ru)
NL (1) NL184364C (ru)
NO (1) NO159531C (ru)
PH (1) PH17194A (ru)
PT (1) PT72622B (ru)
RU (1) RU1779249C (ru)
SE (1) SE447255B (ru)
SU (1) SU1367857A3 (ru)

Families Citing this family (57)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PH17194A (en) * 1980-03-06 1984-06-19 Otsuka Pharma Co Ltd Novel carbostyril derivatives,and pharmaceutical composition containing the same
FI77852C (fi) * 1981-02-17 1989-05-10 Otsuka Pharma Co Ltd Foerfarande foer framstaellning av nya, saosom hjaertmediciner anvaendbara substituerade amid- och (maettad heterocykel)karbonylkarbostyrilderivat.
AU532361B2 (en) * 1981-09-01 1983-09-29 Otsuka Pharmaceutical Co., Ltd. Carbostyril derivatives
FI80022C (fi) * 1982-07-05 1990-04-10 Otsuka Pharma Co Ltd Foerfarande foer framstaellning av ett nytt, terapeutiskt anvaendbart karbostyrilderivat.
CH655110A5 (de) * 1982-09-03 1986-03-27 Otsuka Pharma Co Ltd Carbostyrilderivate, verfahren zu deren herstellung und arzneimittel, welche diese enthalten.
DE3434271A1 (de) * 1984-09-19 1986-03-20 Beiersdorf Ag, 2000 Hamburg Substituierte 3,4-dihydro-chinolin-2(1h)-one verfahren zu ihrer herstellung und ihre verwendung sowie diese verbindungen enthaltende zubereitungen
DE3509131A1 (de) * 1985-03-14 1986-09-18 Fa. Carl Zeiss, 7920 Heidenheim Verfahren zur justierten montage der optischen bauteile eines optischen geraetes
US4704390A (en) * 1986-02-13 1987-11-03 Warner-Lambert Company Phenyl and heterocyclic tetrahydropyridyl alkoxy-benzheterocyclic compounds as antipsychotic agents
KR940000785B1 (ko) * 1986-04-02 1994-01-31 오오쓰까세이야꾸 가부시끼가이샤 카르보스티릴 유도체 및 그의 염의 제조 방법
DK167187A (da) * 1986-04-02 1987-10-03 Otsuka Pharma Co Ltd Carbostyrilderivater og salte deraf, fremgangsmaade til fremstilling af saadanne forbindelser og laegemiddel indeholdende disse
US4792561A (en) * 1986-05-29 1988-12-20 Syntex (U.S.A.) Inc. Carbostyril derivatives as combined thromboxane synthetase and cyclic-AMP phosphodiesterase inhibitors
DE3784401T2 (de) * 1986-07-31 1993-08-12 Otsuka Pharma Co Ltd Karbostyril-derivate und ihre salze, verfahren zu ihrer herstellung und diese enthaltende kardiotonische zusammensetzung.
JPH0696555B2 (ja) * 1986-07-31 1994-11-30 大塚製薬株式会社 カルボスチリル誘導体
DE3802030A1 (de) * 1988-01-25 1989-07-27 Hoechst Ag Makroporoese, asymmetrische, hydrophile membran aus polyaramid
FR2640266B2 (fr) * 1988-07-12 1992-07-10 Synthelabo Derives de (hydroxy-1 piperidinyl-2 alkyl) indolones-2, quinoleinones-2, benzo(b)azepinones-2 et benzimidazolones-2, leur preparation et leur application en therapeutique
FR2634206B1 (fr) * 1988-07-12 1992-05-15 Synthelabo Derives de (hydroxy-1 piperidinyl-2 alkyl) indolones-2 et quinoleinones-2, leur preparation et leur application en therapeutique
FR2637591B1 (fr) * 1988-10-11 1992-10-23 Synthelabo Derives de quinoleinone, leur preparation et leur application en therapeutique
US5006528A (en) * 1988-10-31 1991-04-09 Otsuka Pharmaceutical Co., Ltd. Carbostyril derivatives
EP0554247B1 (en) * 1990-05-10 2000-04-26 Pfizer Inc. Neuroprotective indolone and related derivatives
FR2668149B1 (fr) * 1990-10-18 1994-09-23 Synthelabo Le 1-(3,4-dihydro-2-oxo-1h-quinolein-6-yl)-2-[4-(2-phenyl-ethyl)piperidin-1-yl]ethanol, sa preparation et son application en therapeutique.
US5147881A (en) * 1990-11-14 1992-09-15 Pfizer Inc 4-(1,2-benzisoxazolyl)piperidine antipsychotic agents
US5189171A (en) * 1991-06-21 1993-02-23 American Home Products Corporation Antipsychotic benzodioxan derivatives
US5166367A (en) * 1991-06-21 1992-11-24 American Home Products Corporation Antipsychotic benzodioxan derivatives
PL169884B1 (pl) * 1991-07-17 1996-09-30 Pfizer Sposób wytwarzania nowych pochodnych 2-(4-hydroksypiperydyno)-1-alkanolowych PL PL PL
US6255322B1 (en) 1992-06-19 2001-07-03 Pfizer Inc. 2-(4-hydroxypiperidino)-1-alkanol derivatives as antiischemic agents
WO1994022826A1 (en) * 1993-04-07 1994-10-13 Otsuka Pharmaceutical Co., Ltd. Peripheral vasodilating agent containing n-acylated 4-amino piperidine derivatives as active ingredients
DK0709384T3 (da) * 1994-10-31 1999-08-23 Merck Patent Gmbh Benzylpiperidinderivater med høj affinitet til aminosyrereceptorers bindingssteder
ZA9610736B (en) * 1995-12-22 1997-06-27 Warner Lambert Co 2-Substituted piperidine analogs and their use as subtypeselective nmda receptor antagonists
ZA9610738B (en) 1995-12-22 1997-06-24 Warner Lambert Co Subtype selective nmda receptor ligands and the use thereof
ZA9610745B (en) * 1995-12-22 1997-06-24 Warner Lambert Co 4-Subsituted piperidine analogs and their use as subtype selective nmda receptor antagonists
ZA9610741B (en) * 1995-12-22 1997-06-24 Warner Lambert Co 4-Substituted piperidine analogs and their use as subtype selective nmda receptor antagonists
DE19812331A1 (de) * 1998-03-20 1999-09-23 Merck Patent Gmbh Piperidinderivate
FR2823749B1 (fr) * 2001-04-20 2004-02-20 Sanofi Synthelabo Phenyl- et pyridyl-piperidines, procede pour leur preparation et compositions pharmaceutiques les contenant
MY129350A (en) * 2001-04-25 2007-03-30 Bristol Myers Squibb Co Aripiprazole oral solution
DE10210779A1 (de) * 2002-03-12 2003-10-09 Merck Patent Gmbh Cyclische Amide
EA007272B1 (ru) * 2002-03-13 2006-08-25 Янссен Фармацевтика Н. В. Новые ингибиторы гистондеацетилазы
BR0307606A (pt) * 2002-03-13 2004-12-21 Janssen Pharmaceutica Nv Derivados de piperazinila, piperidinila e morfolinila como inibidores de histona desacetilase
MXPA04007776A (es) 2002-03-13 2004-10-15 Janssen Pharmaceutica Nv Derivados de sulfonilamino como nuevos inhibidores de histona deacetilasa.
ATE398105T1 (de) * 2002-03-13 2008-07-15 Janssen Pharmaceutica Nv Carbonylamino- derivativate als neue inhibitoren von histone deacetylase
MY142362A (en) * 2004-01-29 2010-11-30 Otsuka Pharma Co Ltd Pharmaceutical composition for promoting angiogenesis
SG156687A1 (en) * 2004-07-28 2009-11-26 Janssen Pharmaceutica Nv Substituted indolyl alkyl amino derivatives as novel inhibitors of histone deacetylase
ME01058B (me) * 2004-07-28 2012-10-20 Janssen Pharmaceutica Nv Supstituisani derivati propenil piperazina kao novi inhibitori histonske deacetilaze
DE602005014646D1 (de) * 2004-07-28 2009-07-09 Janssen Pharmaceutica Nv Substituierte propenylpiperazinderivate als neue inhibitoren von histondeacetylase
TWI320783B (en) 2005-04-14 2010-02-21 Otsuka Pharma Co Ltd Heterocyclic compound
EP1885710B1 (en) 2005-05-18 2015-08-19 Janssen Pharmaceutica N.V. Substituted aminopropenyl piperidine or morpholine derivatives as novel inhibitors of histone deacetylase
JP5225104B2 (ja) * 2006-01-19 2013-07-03 ジヤンセン・フアーマシユーチカ・ナームローゼ・フエンノートシヤツプ 新しい、ヒストンデアセチラーゼのインヒビターとしてのアミノフェニル誘導体
US8101616B2 (en) * 2006-01-19 2012-01-24 Janssen Pharmaceutica N.V. Pyridine and pyrimidine derivatives as inhibitors of histone deacetylase
CN101370803B (zh) * 2006-01-19 2012-12-12 詹森药业有限公司 作为组蛋白脱乙酰酶抑制剂的取代的吲哚基-烷基-氨基衍生物
JP5247470B2 (ja) 2006-01-19 2013-07-24 ジヤンセン・フアーマシユーチカ・ナームローゼ・フエンノートシヤツプ ヒストンデアセチラーゼのインヒビターとしてのピリジン及びピリミジン誘導体
US7935706B2 (en) * 2006-02-23 2011-05-03 Shionogi & Co., Ltd. Nitrogen-containing heterocycle derivatives substituted with cyclic group
WO2009034029A2 (de) * 2007-09-07 2009-03-19 Boehringer Ingelheim International Gmbh 1-substituierte 4 -heterocyclylpiperidine als cgrp antagonisten
AU2010217772B2 (en) * 2009-02-26 2014-10-23 Reviva Pharmaceuticals, Inc. Compositions, synthesis, and methods of utilizing arylpiperazine derivatives
CA2872883A1 (en) * 2012-05-09 2013-11-14 Sunovion Pharmaceuticals Inc. Heteroaryl compounds and methods of use thereof
CN106608875A (zh) 2015-10-26 2017-05-03 江苏恩华药业股份有限公司 一种稠和杂环类衍生物合成及其应用
CN108031471A (zh) * 2017-10-27 2018-05-15 苏州盖德精细材料有限公司 一种静电纺丝制备的负载型纳米纤维催化剂及其在3,5-二羟基甲苯制备中的应用
CN114409680B (zh) * 2018-01-19 2023-11-21 上海怡立舍生物技术有限公司 Ppar激动剂及其应用
CN116554127A (zh) * 2022-01-28 2023-08-08 成都麻沸散医药科技有限公司 哌嗪取代苯酚类衍生物及其用途

Family Cites Families (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3629266A (en) * 1969-03-03 1971-12-21 Miles Lab (phenyl piperidino alkyl)3 4-dihydrocarbostyrils
US3910924A (en) * 1972-04-13 1975-10-07 Otsuka Pharma Co Ltd 3,4-Dihydrocarbostyril derivatives and a process for preparing the same
JPS5239035B2 (ru) * 1972-12-14 1977-10-03
US4068076A (en) * 1972-12-29 1978-01-10 Otsuka Pharmaceutical Co., Ltd. 5-(1-Hydroxy-2-(heterocyclic amino))ethyl-8-hydroxy-3,4-dihydrocarbostyril derivatives
US4022784A (en) * 1974-01-31 1977-05-10 Otsuka Pharmaceutical Company Limited 5-[1-Hydroxy-2-(substituted-amino)]alkyl-8-substituted-carbostyril and -3,4-dihydrocarbostyril derivatives
US4026897A (en) * 1974-01-31 1977-05-31 Otsuka Pharmaceutical Company 5-[1-Hydroxy-2-(substituted-amino)]alkyl-8-hydroxycarbostyril derivatives
JPS5310986B2 (ru) * 1974-02-05 1978-04-18
JPS5310989B2 (ru) * 1974-04-25 1978-04-18
US4145542A (en) * 1974-06-13 1979-03-20 Otsuka Pharmaceutical Co., Ltd. 5- 1-Hydroxy-2-(heterocyclic-amino)!alkyl-8-hydroxy-3,4-dihydrocarbostyril derivatives
US3994901A (en) * 1974-06-13 1976-11-30 Otsuka Pharmaceutical Company Limited 5-[1-Hydroxy-2-(substituted-amino)]alkyl-8-hydroxy-3,4-dihydrocarbostyril derivatives
JPS5112516A (ru) * 1974-07-21 1976-01-31 Toyoda Automatic Loom Works
JPS5112515A (ja) * 1974-07-23 1976-01-31 Nikkari Kk Tankijonpansochiniokeru seidoseigyosochi
JPS5116478A (ja) * 1974-07-30 1976-02-09 Omron Tateisi Electronics Co Rodenshadanki
JPS51125291A (en) * 1974-12-07 1976-11-01 Otsuka Pharmaceut Co Ltd A process for preparing novel carbostyryl derivatives
JPS51118772A (en) * 1975-04-09 1976-10-18 Otsuka Pharmaceut Co Ltd Method for preparing carbostyryl derivatives
JPS51118771A (en) * 1975-04-09 1976-10-18 Otsuka Pharmaceut Co Ltd Method for preparing carbostyryl derivatives
FR2336674A1 (fr) * 1975-12-24 1977-07-22 Kronenbourg Brasseries Appareil pour la mesure automatique du temps de resorption de la mousse, en particulier d'une boisson gazeuse, notamment la biere
US3994900A (en) * 1976-01-23 1976-11-30 E. R. Squibb & Sons, Inc. 6-(Or 8)-[[(substituted amino)alkyl]oxy(or thio)]-3,4-dihydro-4-phenyl-2(1H)-quinolinones
US4210753A (en) * 1976-03-17 1980-07-01 Otsuka Pharmaceutical Co., Ltd. Carbostyril compounds
DE2719562C2 (de) * 1976-05-08 1986-05-07 Otsuka Pharmaceutical Co. Ltd., Tokio/Tokyo 3, 4-Dihydrocarbostyrilderivate, Verfahren zu deren Herstellung und Arzneimittel, welche diese enthalten
JPS6026797B2 (ja) * 1976-07-12 1985-06-25 大塚製薬株式会社 新規なカルボスチリル誘導体
JPS609713B2 (ja) * 1976-10-08 1985-03-12 大塚製薬株式会社 カルボスチリル誘導体
JPS5416478A (en) * 1977-07-08 1979-02-07 Otsuka Pharmaceut Co Ltd 3,4-dihydrocarbostyril herivative
JPS54130587A (en) * 1978-03-30 1979-10-09 Otsuka Pharmaceut Co Ltd Carbostyryl derivative
EP0005828B1 (de) * 1978-06-06 1981-03-11 Hoechst Aktiengesellschaft Neue substituierte Phenylpiperazinderivate, diese enthaltende Arzneimittel und Verfahren zu deren Herstellung
DE2827566A1 (de) * 1978-06-23 1980-01-10 Boehringer Mannheim Gmbh 1,2-dihydro-chinolin-2-on-derivate und verfahren zu ihrer herstellung
JPS5527158A (en) * 1978-08-16 1980-02-27 Otsuka Pharmaceut Co Ltd 5-oxo-3,4,5,6,7,8-hexahydrocarbostyril derivative
JPS5583749A (en) * 1978-12-19 1980-06-24 Yoshitomi Pharmaceut Ind Ltd Quinolone derivative
JPS5589222A (en) * 1978-12-28 1980-07-05 Otsuka Pharmaceut Co Ltd Antihistaminic agent
JPS5589221A (en) * 1978-12-28 1980-07-05 Otsuka Pharmaceut Co Ltd Antihistaminic agent
PH17194A (en) * 1980-03-06 1984-06-19 Otsuka Pharma Co Ltd Novel carbostyril derivatives,and pharmaceutical composition containing the same
FI77852C (fi) * 1981-02-17 1989-05-10 Otsuka Pharma Co Ltd Foerfarande foer framstaellning av nya, saosom hjaertmediciner anvaendbara substituerade amid- och (maettad heterocykel)karbonylkarbostyrilderivat.
AU532361B2 (en) * 1981-09-01 1983-09-29 Otsuka Pharmaceutical Co., Ltd. Carbostyril derivatives

Also Published As

Publication number Publication date
AT381307B (de) 1986-09-25
FR2477542B1 (ru) 1983-09-09
GB2071094B (en) 1984-09-26
MX6980E (es) 1987-01-19
US4567187A (en) 1986-01-28
SU1367857A3 (ru) 1988-01-15
ES500137A0 (es) 1982-11-01
FR2477542A1 (fr) 1981-09-11
DE3107601C2 (ru) 1989-07-20
IT8167311A0 (it) 1981-03-05
FI76323B (fi) 1988-06-30
AU6797381A (en) 1981-09-10
CA1155119A (en) 1983-10-11
ES509659A0 (es) 1983-05-01
NO810765L (no) 1981-09-07
NL184364C (nl) 1989-07-03
FI810669L (fi) 1981-09-07
ES509658A0 (es) 1983-04-01
PT72622B (en) 1982-06-15
ES518667A0 (es) 1984-06-16
SE447255B (sv) 1986-11-03
US4619932A (en) 1986-10-28
IT1144315B (it) 1986-10-29
NL184364B (nl) 1989-02-01
ES8301962A1 (es) 1982-11-01
AU523005B2 (en) 1982-07-08
ES8305356A1 (es) 1983-04-01
ATA98481A (de) 1986-02-15
FI76323C (fi) 1988-10-10
DE3152880C2 (ru) 1990-03-22
US4455422A (en) 1984-06-19
SE8101409L (sv) 1981-09-07
BE887800A (fr) 1981-09-07
DK99781A (da) 1981-09-07
GB2071094A (en) 1981-09-16
DE3107601A1 (de) 1982-02-04
NL8101099A (nl) 1981-10-01
DK155282C (da) 1989-08-07
RU1779249C (ru) 1992-11-30
CH647775A5 (de) 1985-02-15
ES8306141A1 (es) 1983-05-01
US4460593A (en) 1984-07-17
PT72622A (en) 1981-04-01
NO159531B (no) 1988-10-03
DK155282B (da) 1989-03-20
ES8405782A1 (es) 1984-06-16
NO159531C (no) 1989-01-11

Similar Documents

Publication Publication Date Title
PH17194A (en) Novel carbostyril derivatives,and pharmaceutical composition containing the same
IL62082A (en) Beta-lactam derivatives,processes for the preparation thereof and pharmaceutical compositions containing them
IL63968A0 (en) Aminoalkylfuran derivative,its preparation and pharmaceutical compositions containing it
IL66501A0 (en) Benzazepine-2-one derivatives,their manufacture and pharmaceutical compositions containing them
DE3163938D1 (en) Heterocyclic compounds, their preparation and pharmaceutical compositions containing them
DE3167679D1 (en) Pharmaceutical forms, their preparation and compositions containing the same
DE3167664D1 (en) Pyrazoloindazole derivatives, process for preparing the same, and pharmaceutical composition containing the same
PH16982A (en) Penicillanoyloxymethyl penicillanate 1,1,1',1'-tetraoxide and its pharmaceutical composition
DE3169095D1 (en) 3-aminopropoxyphenyl derivatives, their preparation and pharmaceutical compositions containing them
JPS5775976A (en) Novel heterocyclic derivative, manufacture and medicinal composition containing same
PH18532A (en) Novel carbostyril derivatives and pharmaceutical compositions containing the same
IL64544A (en) Quinolone derivatives,their preparation and pharmaceutical compositions containing them
JPS56150088A (en) Pyrimidyl-quinazoline,its manufacture and pharmaceutical blend containing it
JPS5777679A (en) Novel heterocyclic derivative, manufacture and pharmaceutical composition containing same
IL62167A0 (en) Phenoxy-aminopropanol derivatives,their manufacture and pharmaceutical compositions containing them
IL63145A (en) Imidazothienopyrimidinedione derivatives,their manufacture and pharmaceutical compositions containing them
IL70189A (en) 2-piperazinyl-quinazoline derivatives,their proeuction and pharmaceutical compositions containing them
PH16056A (en) 6-substituted-2,4-dialkoxy-acetophenones and pharmaceutical compositions containing them
IL63245A0 (en) 3-aminopropoxyphenyl derivatives,their preparation and pharmaceutical compositions containing them
IL62747A0 (en) 2-guanidinothiazole derivatives,process for the preparation thereof and pharmaceutical compositions comprising the same
PH16754A (en) Novel acylamino-benzazole derivatives,and pharmaceutical composition containing same
IL62592A (en) Octahydrophenyl-quinolizine derivatives,their manufacture and pharmaceutical compositions containing them
JPS5775975A (en) Heterocyclic derivative, manufacture and medicinal composition containing same
JPS56139479A (en) Quinoline derivative, manufacture and medicinal composition containing same
SG62087G (en) Heterocyclic compounds, their preparation and pharmaceutical compositions containing them