CH491939A - Procédé de préparation d'un composé de la série des benzodiazépines - Google Patents
Procédé de préparation d'un composé de la série des benzodiazépinesInfo
- Publication number
- CH491939A CH491939A CH255070A CH255070A CH491939A CH 491939 A CH491939 A CH 491939A CH 255070 A CH255070 A CH 255070A CH 255070 A CH255070 A CH 255070A CH 491939 A CH491939 A CH 491939A
- Authority
- CH
- Switzerland
- Prior art keywords
- oxo
- nitro
- preparation
- compound
- benzodiazepine
- Prior art date
Links
- 238000002360 preparation method Methods 0.000 title claims description 5
- 238000000034 method Methods 0.000 title claims description 3
- 150000001875 compounds Chemical class 0.000 title description 6
- 125000003310 benzodiazepinyl group Chemical class N1N=C(C=CC2=C1C=CC=C2)* 0.000 title 1
- ZHNUHDYFZUAESO-UHFFFAOYSA-N Formamide Chemical compound NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 claims description 4
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 2
- 229910052744 lithium Inorganic materials 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 238000006704 dehydrohalogenation reaction Methods 0.000 claims 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 claims 1
- 239000000047 product Substances 0.000 description 5
- JRNVZBWKYDBUCA-UHFFFAOYSA-N N-chlorosuccinimide Chemical compound ClN1C(=O)CCC1=O JRNVZBWKYDBUCA-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 2
- 235000011613 Pinus brutia Nutrition 0.000 description 2
- 241000018646 Pinus brutia Species 0.000 description 2
- 229940049706 benzodiazepine Drugs 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- KPZGRMZPZLOPBS-UHFFFAOYSA-N 1,3-dichloro-2,2-bis(chloromethyl)propane Chemical compound ClCC(CCl)(CCl)CCl KPZGRMZPZLOPBS-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 210000003169 central nervous system Anatomy 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- -1 chlorocyclohexyl Chemical group 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000000921 elemental analysis Methods 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000005647 hydrohalogenation reaction Methods 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 231100001231 less toxic Toxicity 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
- 238000000655 nuclear magnetic resonance spectrum Methods 0.000 description 1
- 230000000144 pharmacologic effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 238000002211 ultraviolet spectrum Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D243/00—Heterocyclic compounds containing seven-membered rings having two nitrogen atoms as the only ring hetero atoms
- C07D243/06—Heterocyclic compounds containing seven-membered rings having two nitrogen atoms as the only ring hetero atoms having the nitrogen atoms in positions 1 and 4
- C07D243/10—Heterocyclic compounds containing seven-membered rings having two nitrogen atoms as the only ring hetero atoms having the nitrogen atoms in positions 1 and 4 condensed with carbocyclic rings or ring systems
- C07D243/14—1,4-Benzodiazepines; Hydrogenated 1,4-benzodiazepines
- C07D243/16—1,4-Benzodiazepines; Hydrogenated 1,4-benzodiazepines substituted in position 5 by aryl radicals
- C07D243/18—1,4-Benzodiazepines; Hydrogenated 1,4-benzodiazepines substituted in position 5 by aryl radicals substituted in position 2 by nitrogen, oxygen or sulfur atoms
- C07D243/24—Oxygen atoms
-
- 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
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/55—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having seven-membered rings, e.g. azelastine, pentylenetetrazole
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D243/00—Heterocyclic compounds containing seven-membered rings having two nitrogen atoms as the only ring hetero atoms
- C07D243/06—Heterocyclic compounds containing seven-membered rings having two nitrogen atoms as the only ring hetero atoms having the nitrogen atoms in positions 1 and 4
- C07D243/10—Heterocyclic compounds containing seven-membered rings having two nitrogen atoms as the only ring hetero atoms having the nitrogen atoms in positions 1 and 4 condensed with carbocyclic rings or ring systems
- C07D243/14—1,4-Benzodiazepines; Hydrogenated 1,4-benzodiazepines
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)
Description
ProcH# de pHparation d'un composd de la s#rie des benzodiaz#pines
Dans son brevet fran#ais <B>N,1</B> 1455048. la titulaire a Ucrit, entre autres, des 5-(1-cyclohex#nyl)-2-oxo-2,3-di hydro-IH-benzodiaz#pines-(1,4) qui poss#dent des pro pri#tds pharmacologiques intdressantes, ainsi que la pre paration <B>de</B> ces benzodiaz#pines par d#shydrohalog#na tion des composds 5-(1-halog#nocyclohexyliqties) corres pondants.
Or. la titulaire a trouv# qu'ä partir <B>de</B> la 7-nitro-5-(1 <B>-</B> chlorocyclohexyl) <B>- 1</B> -m#thyl-2-oxo-2,3-dihvdro- <B>1</B> H-benzo diazdpine-(1,4), inconnue jusqu'ici, on pouvait, par Us hydrohalog#nation, obtenir une substance, dgalement in connue jusqu'ici, offrant des propridt#s particuli#rernent Interessantes au point de vue physiologique, en l'esp & c la 7-nitro-5-(1-cyclohex#nyl)-1-m#thyl-2-oxo-2,3-dihydro <I>IH-benzodiaz#pine-(1,4)</I> de formule:
Le tableau suivant donne les principales activit#s de ce produit <B>:</B>
Dose efficace Concerne Epreuve <B>50</B> (),/o en nia,/kg voie orale Vie <B>de</B> relation Actographie spontan#e (souris) <B>22,5</B> <B>d"</B> Motricit# spontan#e (rat) env. <B>25</B> <B>d-,</B> Equilibration-Tige tournante (souris) ActivIt# iiiyorelaxante Traction (souris) <B>9</B> Activit# antiC0nVL11sivant,2 Anti-pentdtrazol (souris) 12 <B> & </B> Anti-#Jectrochoc (souris) env. <B><I>50</I></B> Activitd anxtolvtique Exploration (souris) env. <B>25</B> <B>do</B> Cornbativit# provoqu & (rat') <B> < 10</B>
Ces valeurs d#montrent une forte activitd sur Je syst#me nerveux central.
La toxicit# algu# pour la sourts est faible (DL <B>1000</B> mg/kg i.p. entre <B>2500</B> et <B>3000</B> mg/kg p.o.) et, con-
trairement <B>ä</B> toute attente, le nouveau compos# est moins toxique que le compos# correspondant dans Iequel un atome de chlore figure dans la position <B>7 ä</B> la place du groupe nitro.
On peut obtenir <B>le</B> compos# chlorocyclohexyliqtic servant de mati#re prerni#re en traitant la 7-nitro-5-cyclo hexyl- <B>1</B> -m#thyl-2-oxo-2,3-dihvdro-IH-benzodiaze'pine (1,4) par un Uriv# N-chlore ä'un amide d'acide car boxylique ou sulfonique. en particulier le chloro-succin imide.
L'exemple suivant, dans Iequel l'abreviation F" <B>dd-</B> signe le point de fusion pris au bloc <B>de</B> Kofler, illustre la pr#paration de la mati#re prerni#re ainsi que le pro c & i# selon l'invention, c'est-ä-dire la d#shydrohalog#na tion de la 7-nitro-5-(1-chlorocyclohexyl)-1-m#thyl-2-oxo 2,3-dihydro-IH-benzodiazdpine-(1,4) qui aboutit <B>ä</B> la <B>7-</B> nitro-5-(1-cyclohexdnyl)-1-mdthyl-2-oxo-2,3-dihvdro-IH benzodiazdp)ne-(1,4),.
<I>Exernple</I> a) Nitro-7 (chloro-1 cyclohexyl)-5 mdthyl-1 oxo-2 dihydro-2,3 IH-benzodiaz#pine-1,4.
<B>A</B> une solution de <B>32g de</B> nitro-7 cyclohexyl-5 me thyl-1 oxo-2 dihydro-2,3 IH-benzodiazepine-1,4 dans 450m1 de t6trachlorure de carbone, on ajoute <B>16g</B> de N-chloro succinimide et on chauffe <B>ä</B> reflux pendant <B>1</B> heure <B>30.</B> La rdaction, qui Umarre assez vivernent, doit 8tre moddr#e <B>ä</B> son Ubut. L'op#ration termin#e, on ajoute <B>250</B> ml d'eau au mdlange chaud et on agite vigou reusernent pendant <B>15</B> minutes. On laisse refroidir jus qu'ä cristallisation compl & e et on essore la suspension. On lave avec de Peau et un peu de t#trachlorure de car bone. On recristallise dans l'acdtate d'#thvie. On re cueille ainsi, en deux jets, <B>32.35 g</B> d'un proäuit dont <B>Je</B> point de fusion F" <B≥ 190,1.</B> Par Evaporation du t & ra chlorure r#siduaire, on recueille encore <B>0,9 g</B> de produit ayant le Mime point de fusion. Le rendement total, cal cul# sur <B>33,15 g,</B> est de <B>92,9</B> 0,/o.
<B>b)</B> Nitro-7 cyclohex#nyl-5 mdthyl-1 oxo-2 dlhvdro <B>2.3</B> IH-benzodiaz#pine-1,4.
On chauffc <B>ä lft,</B> avec agitation, <B>lOg</B> du produit pr#par6 selon a) dans 100m1 <B>de</B> dirn#thyl formamide avec <B>10 g</B> de carbonate <B>de</B> lithium. La rdaäion est com pl & te <I>lorsque</I> cesse <B>le</B> ddgagement de gaz carbonique. L'op8ration termin & . on refroidit, on filtre pour enie ver les sels min#raux et on #vapore le filtrat au bain marie sous vide <B>;</B> on traite le rdsidu par <B>de</B> Nther et <B>de</B> Peau et on refroidit la suspension dans la glace. De la
solution #th#r#e. on recueille ainsi, en deux jets. <B>8,35 g</B> que Pon recristallise dans Pac & ate d'#tliyie. On obtient des cristaux jaunes pesant <B>5,1 g -</B> F, <B># 1591>.</B> Par con centration de Facetate d'dthyle rdsiduaire, on recueille <B>1,5 g</B> de produit ayant un point <B>de</B> fusion <B>Fk = 157-,.</B> Rendement <B>:</B> 74 %.
L'analyse #l#mentaire du compose intermediaire et du produit final a dt# en tr#s bonne concordance avec ]es valeurs th#oriques. Les spectres dans l'infrarouge et l'ultraviolet, ainsi que les spectres de rdsonance magn# tique nucMaire sont en accord avec la structure.
Claims (2)
- <B>REVENDICATION</B>Proc & i# de pr#paration <B>de</B> la 7-nitro-5-(1-cyclohexd nyl)-1-m#thyl-2-oxo-2,3-dihydro-1 H-benzodiazdpine-(1,4) r#pondant <B>ä</B> la formute <B>:</B>caract#risd en ce qu'on soumet la 7-nitro-5-(1-chloroc-# clohexyl) <B>- 1 -</B> mdthvl <B>-</B> 2 <B>-</B> oxo <B>- 2,3</B> -dihvdro- <B>1</B> H-benzodiaz'e pine-(1,4) <B>ä</B> une ddshydrohalogdnation.<B>SOUS-REVENDICATIONS</B><B>1.</B> Proc#U selon la revendication. caracterise en ce qu'on utilise comme agent de deshydrohalog#nation <B>Je</B> carbonate <B>de</B> lithium.
- 2. Proc#cid selon la revendication ou la sotis-reven dication <B>1,</B> caractirise en ce qtt'on conduit la dd"hydro halogdnation dans le dimdthyl formamide.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR117190A FR1545694A (fr) | 1967-08-08 | 1967-08-08 | Préparation de composés de la série des benzodiazépines |
| CH1176568A CH488711A (fr) | 1967-08-08 | 1968-08-05 | Procédé de préparation de composés de la série des benzodiazépines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH491939A true CH491939A (fr) | 1970-06-15 |
Family
ID=25708868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH255070A CH491939A (fr) | 1967-08-08 | 1968-08-05 | Procédé de préparation d'un composé de la série des benzodiazépines |
Country Status (1)
| Country | Link |
|---|---|
| CH (1) | CH491939A (fr) |
-
1968
- 1968-08-05 CH CH255070A patent/CH491939A/fr not_active IP Right Cessation
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |