DK142359B - Analogifremgangsmåde til fremstilling af 7-amino-6,7-dihydro-5H-benzocyclohepten eller farmaceutisk acceptable additionssalte deraf. - Google Patents
Analogifremgangsmåde til fremstilling af 7-amino-6,7-dihydro-5H-benzocyclohepten eller farmaceutisk acceptable additionssalte deraf. Download PDFInfo
- Publication number
- DK142359B DK142359B DK338476AA DK338476A DK142359B DK 142359 B DK142359 B DK 142359B DK 338476A A DK338476A A DK 338476AA DK 338476 A DK338476 A DK 338476A DK 142359 B DK142359 B DK 142359B
- Authority
- DK
- Denmark
- Prior art keywords
- amino
- dihydro
- benzocyclohepten
- compound
- acid
- Prior art date
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- 150000003839 salts Chemical class 0.000 title description 7
- 238000000034 method Methods 0.000 title description 6
- UIJUEIRTWJCHCS-UHFFFAOYSA-N 8,9-dihydro-7h-benzo[7]annulen-7-amine Chemical compound C1=CC(N)CCC2=CC=CC=C21 UIJUEIRTWJCHCS-UHFFFAOYSA-N 0.000 title description 5
- 238000002360 preparation method Methods 0.000 title description 5
- 150000001875 compounds Chemical class 0.000 description 20
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- 230000000694 effects Effects 0.000 description 9
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- ZWFPQWCYTZKEBF-UHFFFAOYSA-N 7-(benzylamino)-6,7,8,9-tetrahydrobenzo[7]annulen-5-one Chemical compound C1CC2=CC=CC=C2C(=O)CC1NCC1=CC=CC=C1 ZWFPQWCYTZKEBF-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C215/00—Compounds containing amino and hydroxy groups bound to the same carbon skeleton
- C07C215/42—Compounds containing amino and hydroxy groups bound to the same carbon skeleton having amino groups or hydroxy groups bound to carbon atoms of rings other than six-membered aromatic rings of the same carbon skeleton
- C07C215/44—Compounds containing amino and hydroxy groups bound to the same carbon skeleton having amino groups or hydroxy groups bound to carbon atoms of rings other than six-membered aromatic rings of the same carbon skeleton bound to carbon atoms of the same ring or condensed ring system
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/24—Antidepressants
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/26—Psychostimulants, e.g. nicotine, cocaine
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C211/00—Compounds containing amino groups bound to a carbon skeleton
- C07C211/33—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of rings other than six-membered aromatic rings
- C07C211/39—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of rings other than six-membered aromatic rings of an unsaturated carbon skeleton
- C07C211/41—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of rings other than six-membered aromatic rings of an unsaturated carbon skeleton containing condensed ring systems
- C07C211/42—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of rings other than six-membered aromatic rings of an unsaturated carbon skeleton containing condensed ring systems with six-membered aromatic rings being part of the condensed ring systems
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
- C07C45/63—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by introduction of halogen; by substitution of halogen atoms by other halogen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
- C07C45/65—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by splitting-off hydrogen atoms or functional groups; by hydrogenolysis of functional groups
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Pharmacology & Pharmacy (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Biomedical Technology (AREA)
- Neurology (AREA)
- Neurosurgery (AREA)
- Veterinary Medicine (AREA)
- Medicinal Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Psychiatry (AREA)
- Pain & Pain Management (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
Description
(11) FREMLÆGGELSESSKRIFT 1 ^2359 DANMARK (=') lm.Cl.s C 07 C 87/467 f(21) Ansøgning nr. 5584/76 (22) Indleveret døn 28. jul. 1976 (24) Løbedag 28. Jul« 1976 (44) Ansøgningen fremlagt og
fremlæggelsesskriftet offentliggjort den ^-u · OiCTi. ISW
DIREKTORATET FOR t J
PATENT-OG VAREMÆRKEVÆSENET (3°) Prioritet begæret fra den PATENT OG VAnEMÆnKEV/totNt 2g# Jul. 1975, 7525500, PR
(71) ROUSSEL-UCLAF S.A., 55, Boulevard des Invalides, Paris 7e, FH.
(72) Opfinder: Lucien Nedelec, 45, Boulevard de l'Ouest, 95540 - Le Raincy, FR: Andre Pierdet, 7, rue Pierre Feuillere, 93150 - Noisy-le-Sec, FR: Claude Dumont, 57, rue du Marechal Vaillant, 94150 - Nogent-sur-Marne, FR: MarTe-Helene Karmengiesser, 44, rue Lemercier, 75017 - Paris, FR.
(74) Fuldmægtig under sagens behandling:
Patentagentfirmaet Magnus Jensens Eftf._ 1 (54) Analogifremgangsmåde til fremstilling af 7-amino-6,7-dihydro-5H-ben= zocyclohepten eller farmaceutisk acceptable additionssalte deraf.
Opfindelsen angår en analogifremgangsmåde til fremstilling af det hidtil ukendte 7-amino-6,7-dihydro-5H-benzoeyclohepten eller farmaceutisk acceptable additionssalte deraf med mineralsyrer eller organiske syrer med den i kravets indledning angivne formel I, hvilken fremgangsmåde er ejendommelig ved det i kravets kendetegnende del anførte.
Additionssaltene med mineralsyrer eller organiske syrer kan f.eks. være salte dannet med saltsyre, hydrogenbromidsyre, hydrogeniodidsyre, salpetersyre, svovlsyre, phosphorsyre, eddikesyre, myresyre, benzoesyre, maleinsyre, fumarsyre, ravsyre, vinsyre, citronsyre, oxalsyre, glyoxylsyre, asparaginsyre, alkansulfonsy-rer såsom methansulfonsyre og arylsulfonsyrer såsom benzensulfonsyre. Under foretrukne betingelser for iværksættelse af opfindel- 2 1423S9 sen udmærker fremgangsmåden sig red følgende: a) Omsætningen af forbindelsen med formlen II med aminen med formlen III udføres ved stuetemperatur i en lavmolekylær alkanol såsom ethanol.
b) Reduktionen af forbindelsen med formlen 17 udføres ved hjælp af et metalhydrld såsom lithiumaluminiumhydrld i et organisk opløsningsmiddel såsom tetrahydrofuran· c) Hydrogenolysen af forbindelsen med formlen 7 udføres ved hjælp af hydrogen i nærværelse af en katalysator såsom palladium.
d) Dehydratiseringen af forbindelsen med formlen 71 udføres i et organisk opløsningsmiddel såsom diozan ved kogepunkttemperaturen for reaktionsblandingen ved hjælp af en stærk syre såsom saltsyre eller svovlsyre eller ved hjælp af kaliumbisulfat eller ved opvarmning i hexametapol.
Forbindelsen med formlen I har basisk karakter. Man kan med fordel fremstille additionssaltene af denne forbindelse, idet man i praktisk taget støkiometrisk mængdeforhold omsætter den med en mineralsyre eller organisk syre. Saltene kan fremstilles uden isolation af de tilsvarende baser.
Forbindelserne, som fås ved fremgangsmåden ifølge opfindelsen, har interessante farmakologiske egenskaber. De har især bemærkelsesværdige egenskaber i prøver for antidepressiv aktivitet.
Disse egenskaber er illustreret nedenfor i den eksperimentelle del.
Disse egenskaber retfærdiggør anvendelsen af 7-amino-6,7--dihydro-5H-benzocyclohepten og dets farmaceutisk acceptable salte fremstillet ved fremgangsmåden ifølge opfindelsen som medikamenter.
Disse medikamenter finder f.eks. anvendelse ved behandlingen af depressioner, melankoli, manio-depressive psykoser, reaktionelle og udmattelsesdepressioner, neurotiske depressioner samt eventuelt ved behandlingen af Parkinson’s sygdom.
Den normale dosis, som varierer efter den benyttede forbindelse, den behandlede patient og den pågældende lidelse, kan f.eks. være 10-300 mg pr. dag ad oral vej hos mennesker.
Som medikamenter kan 7-amino-6,7-dihydro-5H-benzocyelohep-ten og dets additionssalte med farmaceutisk acceptable syrer inkorporeres i farmaceutiske produkter beregnet til indgift ad fordøjelsesvejen eller parenteralt.
Disse farmaceutiske produkter kan f.eks. være faste eller flydende og foreligge i de i den humane medicin gængs benyttede far- , 142359 maeeutiske former såsom f.eks. uoversukrede eller oversukrede tabletter, gelatinekapsler, granulater, stikpiller, injicerbare præparater, og de fremstilles efter gængse metoder. Den eller de aktive bestanddele kan inkorporeres deri sammen med de i disse farmaceutiske produkter gængs benyttede tilsætningsstoffer såsom talkum, gummi arabicum, lactose, stivelse, magnesiumstearat, kakaosmør, vandige eller ikke-vandige bærestoffer, fedtstoffer af animalsk eller vegetabilsk oprindelse, paraffinderivater, glycoler, forskellige fugte-, dispergerings- eller emulgeringsmidler samt konserveringsmidler.
Nedenstående eksempel illustrerer fremgangsmåden ifølge opfindelsen.
Eksempel
Hydrochloridet af 7-amino-6.7-dihydro-5H-benzooyolohepten.
Trin A; 7-benz.ylamino-6.7.8.9-tetrah.vdro-5H-benzooyclohepten-5-on samt hydrochloridet deraf.
Man indfører 10 g 8,9-dihydro-5H-benzocyclohepten-5-on i 100 ml absolut ethanol og 10 ml benzylamin.
Man holder under omrøring ved 20-25°C i 2 timer, eliminerer opløsningsmidlet, og overskuddet af benzylamin under vakuum ved 40°C. Man får 20 g råprodukt, som man renser på silicagel under eluering med en blanding af cyclohexan, ethylacetat og triethylamin i forholdet 7:3:1. Der fås 13,4 g produkt, som man atter renser ved chro-matografi under tryk (2 kg) på silicagel. Der fås endelig 9 g 7-ben-zylamino-6,7,8,9-tetrahydro-5H-benzooyclohepten-5-on i form af en olie·
Til analyse danner man hydrochloridet, idet man tilsætter en mættet opløsning af hydrogenchlorid i ether til 200 mg 7-ben-zylamino-6,7,8,9-tetrahydro-5H-benzocyelohepten-5-on i ether.
Man filtrerer, vasker med ether og tørrer under vakuum.
Der fås 200 mg hydrochlorid af 7-benzylamino-6,7,8,9-tetra-hydro-5H-benzocyclohepten-5-on i form af krystaller med smp. 195^0.
Trin B: 5V-hydroxy-7-benzylamino-6.7.8.9-tetrahydro-5H-benzocyclo- hepten.
Man anbringer ved 0°C 1,5 g lithlumaluminiumhydrid i 150 ml vandfrit tetrahydrofuran og indfører derefter i løbet af 30 minutter ved en temperatur mellem 0 og 5°C en opløsning af 8 g 7-benzylamino- 4 142359 -6,7,8,9-tetrahydro-5H-benzoeyclohepten-5-on i 150 ml tetrahydrofu-ran.
Man lader henstå under omrøring i 2 timer ved 0°C og tilsætter derpå en mættet vandig opløsning af ammoniumchlorid«
Man filtrerer den dannede udfældning, ekstraherer med ethyl-acetat, vasker med saltvand, tørrer, filtrerer og eliminerer opløsningsmidlerne under vakuum ved 40°C.
Der fås 8,4 g råprodukt i form af en blanding af 2 isomere med hensyn til 5-OH-gruppen, som man umiddelbart benytter i det næste trin.
Trin C; 5£-h.vdroxy-7-amino-6.7>8.9-tetrahydrp-5H-benzocyclohepten.
Man indfører 8,2 g 5.if-hydroxy-7-benzylamino-6,7,8,9-tetra-hydro-5H-benz o ey clohepten i 250 ml absolut ethanol og tilsætter 8 g palladium (10$) på kul.
Man opvarmer til 80°C og bringer blandingen under hydrogen·. Man opretholder disse betingelser i 30 minutter, frafiltrerer katalysatoren, vasker med ethanol og uddriver opløsningsmidlet under vakuum.
Der fås 5,6 g 5jf-hydroxy-7-ainino-6,7,8,9-tetrahydro-5H-ben-zocyelohepten i form af en harpiks, som udgøres af en blanding af de to isomere med hensyn til 5-0H-gruppen, som man umiddelbart benytter i det næste trin.
Trin D: Hydrochloridet af 7-amino-6.7-dihydro-5H-benzocyolohePten.
- Fremstilling af basen.
Man indfører 5,6 g 5£-hydroxy-7-amino-6,7,8,9-tetrahydro--5H-benzocyclohepten i 60 ml dioxan, opvarmer til tilbagesvaling og indfører 12 ml 18 IT svovlsyre.
Man holder under tilbagesvaling i 2 timer, bringer på 20°C og hælder i 300 ml vand. Man ekstraherer den neutrale fraktion med ether.
Man gør den vandige fase alkalisk ved tilsætning af natriumhydroxid og ekstraherer med ethylacetat. Man vasker med saltvand, tørrer, filtrerer og inddamper til tørhed. Der fås 5 g råprodukt, som man renser ved chromatografi på silicagel under eluering med en blanding af ethylacetat, benzen og triethylamin i forholdet 8:2:1. Der fås 3 g 7-amino-6,7-dihydro-5H-benzocyclohepten i form af en brun olie.
c 162359 5 - Fremstilling af hydrochloridet.
Man opløser 3 g 7-amino-6,7-dihydro-5H-benzocyclohepten i 200 ml ether og tilsætter en mættet opløsning af hydrogenchlorid i ether.
Man filtrerer, vasker med ether og tørrer under vakuum. Der fås 2,7 g hydrochlorid af 7-amino-6,7-dihydro-5H-benzocyclohepten i fom af et hvidt krystallinsk produkt med smp. 248°C.
Analyse: CnH14NCl beregnet: 67,51 H# 7,21 B# 7,16 Cl# 18,12 fundet: 67,4 7,2 6,9 18,2
Farmakologisk undersøgelse.
1) Prøve vedrørende potentiallserlng af effekterne af I.M.A.O.
Indgift på mus af en Inhibitor for monoaminoxydase (I.M.A.O.) medfører en motorisk hyperaktivitet af disse dyr, som kan potentia-liseres ved hjælp af en antidepressor (Carlsson m.fl., Brain Research, 1969. 12. 456).
En dosis på 100 mg/kg nialamid indgives ad intraperitoneal vej 30 minutter før indsprøjtningen af den undersøgte forbindelse ad samme vej.
Værdierne for akimetriake tællinger noteres hver halve time i 6 timer.
Potentialiseringen af effekterne af nialamid ved hjælp af den undersøgte forbindelse udtrykkes ved et voksende antal plustegn (+) for en bestemt dosis udtrykt i mg/kg.
Under forsøgsbetingelserne har forbindelsen ifølge eksemplet en aktivitet svarende til et for en dosis på 5 mg/kg og svarende til +++ for en dosis på 20 mg/kg.
2) Prøve vedrørende potentlalisering af effekterne af L-dopa.
Indgift af L-dopa på mus, som er forbehandlet med iproniazid 18 timer i forvejen, frembringer et vist antal symptomer: muskulær hypertonicitet, hyperaktivitet, ophidselse, skrigen, aggressivitet, spytafsondring og exophthalmi.
Intensiteten af disse effekter potentialiseres ved indgift af en antidepressor 1 time før indgiften af L-dopa.
Hanmus modtager ad intraperitoneal vej 75 mg/kg iproniazid 18 timer før begyndelsen af prøven. Den undersøgte forbindelse injiceres derpå i vandig opløsning ad intraperitoneal vej i voksende doser.
6 142359 I-dopa injiceres ad samme vej i en dosis på 100 mgAg 1 time efter. De forskellige symptomer, som iagttages 15 og 30 minutter efter indsprøjtningen af I-dopa, vurderes i en skala fra 0 til 3 for hvert dyr og opsummeres for hver dosis.
Den effektive dosis 50, DE^q, dvs. den dosis, som potentia-liserer effekterne af D-dopa med 50j6, bestemmes.
DE,-q for forbindelsen ifølge eksemplet er ca. 20 mg/kg.
3) Undersøgelse af den akutte toksicitet.
Den dødelige dosis 50, DI^q, for forbindelsen bestemmes på mus efter indgift ad intraperitoneal vej. Dødeligheden konstateres efter 48 timers forløb.
Den dødelige dosis 50, DIfor forbindelsen ifølge eksemplet er ca. 75 mg/kg.
Biokemisk undersøgelse.
1) Inhibering af optagelsen af serotonin in vitro.
Inhiberingen af optagelsen af serotonin (5 HT) måles i ikke rensede synaptosomerfremstillet ud fra hele rottehjerner (hunrotter, 19-21 dage) ifølge Kannengiesser m.fl. (Biochemical Pharmacology 22, 73, 1973).
Forbindelserne bringes i forskellige koncentrationer til at inkubere med præparatet ved 37°C i 5 minutter i nærværelse af 14C-5 HT i en koncentration af 10”^ M.
Den inhiberende koncentration 50, CI^Q, for en forbindelse, dvs. den dosis, som med 50$ forhindrer optagelsen af 140-5 HT i synaptosornerne, bestemmes grafisk.
Under forsøgsbetingelserne er CI^q for forbindelsen ifølge eksemplet ca. 2,4 x 10“^ M.
2) Inhibering af optagelsen af serotonin in vivo.
De undersøgte forbindelser indgives ad intraperitoneal vej på hold af hunrotter på 19-21 dage i doser varierende fra 5 til 20 mg Ag.
Efter 30 minutters forløb fjernes hjernen. Synaptosornerne præpareres og bringes til at inkubere i nærværelse af 140-5 HT som angivet ovenfor.
Den relative styrke af forbindelserne til at inhibere optagelsen af 14C-5 HT vurderes i forhold til et forsøg udført på dyr, som ikke har modtaget den undersøgte forbindelse.
Aktiviteten udtrykkes ved et voksende antal plustegn (+).
Under forsøgsbetingelserne har forbindelsen ifølge eksemplet en aktivitet svarende til et plustegn (+) ved en dosis på 20 mgAg.
Claims (1)
- 7 142359 Patentkrav. Analogifremgangsmåde til fremstilling af 7-amino-6f7--dihydro-5H-benzocyclohepten med formlen I ' >4 . ,H T y-\ 1 3x/x_y h' 4 5 6 eller farmaceutisk acceptable additionssalte deraf med mineralsy-* rer eller organiske syrer, kend etegnet red, at man omsætter en forbindelse med formlen II φΗ med en amin med formlen III M-CHjjOgHj (III) H hvorved man får en forbindelse med formlen IV 0 .1 <5—6 17 hvorefter man reducerer sidstnævnte forbindelse til opnåelse af en forbindelse med formlen V .OH κ'0Ε2°6Η5 v 19 3·
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7523500A FR2319333A1 (fr) | 1975-07-28 | 1975-07-28 | Nouveaux derives du 7-amino 6,7-dihydro/5h/ benzocycloheptene et leurs sels, procede de preparation et application a titre de medicaments de ces produits |
| FR7523500 | 1975-07-28 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DK338476A DK338476A (da) | 1977-01-29 |
| DK142359B true DK142359B (da) | 1980-10-20 |
| DK142359C DK142359C (da) | 1981-03-09 |
Family
ID=9158435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK338476AA DK142359B (da) | 1975-07-28 | 1976-07-28 | Analogifremgangsmåde til fremstilling af 7-amino-6,7-dihydro-5H-benzocyclohepten eller farmaceutisk acceptable additionssalte deraf. |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US4148919A (da) |
| JP (1) | JPS5217456A (da) |
| BE (1) | BE844556A (da) |
| CA (1) | CA1099290A (da) |
| CH (1) | CH617661A5 (da) |
| DE (1) | DE2633890A1 (da) |
| DK (1) | DK142359B (da) |
| FR (1) | FR2319333A1 (da) |
| GB (1) | GB1503118A (da) |
| IE (1) | IE43796B1 (da) |
| LU (1) | LU75471A1 (da) |
| NL (1) | NL7608399A (da) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2353519A1 (fr) * | 1975-12-08 | 1977-12-30 | Roussel Uclaf | Nouveaux derives de l'aminobenzocycloheptene et leurs sels, procede de preparation et application a titre de medicaments desdits produits |
| AU2006311577B2 (en) | 2005-11-09 | 2013-02-07 | Zalicus Inc. | Methods, compositions, and kits for the treatment of medical conditions |
| US20230382860A1 (en) * | 2020-10-19 | 2023-11-30 | Council Of Scientific And Industrial Research | Bioactive Benzocycloheptene Analogues From Himachalenes and its Applications |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2794048A (en) * | 1957-05-28 | Z-aminomethyl-indane compounds | ||
| US3201470A (en) * | 1965-08-17 | Chsx c cech | ||
| US3922305A (en) * | 1962-08-09 | 1975-11-25 | Merck & Co Inc | Chemical compounds |
| US3458577A (en) * | 1966-06-23 | 1969-07-29 | Sandoz Ag | 6-amino-6,7,8,9-tetrahydro-5h-benzocyclohepten-5-ols |
-
1975
- 1975-07-28 FR FR7523500A patent/FR2319333A1/fr active Granted
-
1976
- 1976-07-21 CA CA257,475A patent/CA1099290A/fr not_active Expired
- 1976-07-26 US US05/708,750 patent/US4148919A/en not_active Expired - Lifetime
- 1976-07-27 BE BE169273A patent/BE844556A/xx unknown
- 1976-07-27 LU LU75471A patent/LU75471A1/xx unknown
- 1976-07-28 GB GB31496/76A patent/GB1503118A/en not_active Expired
- 1976-07-28 DE DE19762633890 patent/DE2633890A1/de not_active Withdrawn
- 1976-07-28 JP JP51089273A patent/JPS5217456A/ja active Pending
- 1976-07-28 CH CH968476A patent/CH617661A5/fr not_active IP Right Cessation
- 1976-07-28 IE IE1672/76A patent/IE43796B1/en unknown
- 1976-07-28 DK DK338476AA patent/DK142359B/da unknown
- 1976-07-28 NL NL7608399A patent/NL7608399A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| US4148919A (en) | 1979-04-10 |
| LU75471A1 (da) | 1977-04-06 |
| IE43796B1 (en) | 1981-06-03 |
| BE844556A (fr) | 1977-01-27 |
| DE2633890A1 (de) | 1977-02-17 |
| DK142359C (da) | 1981-03-09 |
| IE43796L (en) | 1977-01-28 |
| NL7608399A (nl) | 1977-02-01 |
| CH617661A5 (da) | 1980-06-13 |
| GB1503118A (en) | 1978-03-08 |
| FR2319333B1 (da) | 1979-06-08 |
| FR2319333A1 (fr) | 1977-02-25 |
| CA1099290A (fr) | 1981-04-14 |
| DK338476A (da) | 1977-01-29 |
| JPS5217456A (en) | 1977-02-09 |
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