CH502354A - Verfahren zur Herstellung von Benzodiazepin-Derivaten - Google Patents
Verfahren zur Herstellung von Benzodiazepin-DerivatenInfo
- Publication number
- CH502354A CH502354A CH229068A CH229068A CH502354A CH 502354 A CH502354 A CH 502354A CH 229068 A CH229068 A CH 229068A CH 229068 A CH229068 A CH 229068A CH 502354 A CH502354 A CH 502354A
- Authority
- CH
- Switzerland
- Prior art keywords
- formula
- reaction
- dependent
- alkyl
- phenyl
- Prior art date
Links
- 229940049706 benzodiazepine Drugs 0.000 title 1
- 238000000034 method Methods 0.000 claims abstract description 18
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 15
- RGGLEJFUEMKQSH-UHFFFAOYSA-N 1,4-benzodiazepin-2-one Chemical class O=C1C=NC=C2C=CC=CC2=N1 RGGLEJFUEMKQSH-UHFFFAOYSA-N 0.000 claims abstract description 13
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims abstract description 10
- 229910052736 halogen Inorganic materials 0.000 claims abstract description 8
- 150000002367 halogens Chemical class 0.000 claims abstract description 8
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims abstract description 6
- 125000002373 5 membered heterocyclic group Chemical group 0.000 claims abstract description 3
- 125000004070 6 membered heterocyclic group Chemical group 0.000 claims abstract description 3
- 125000004076 pyridyl group Chemical group 0.000 claims abstract description 3
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 42
- 238000006243 chemical reaction Methods 0.000 claims description 24
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 21
- BAVYZALUXZFZLV-UHFFFAOYSA-N Methylamine Chemical compound NC BAVYZALUXZFZLV-UHFFFAOYSA-N 0.000 claims description 16
- 239000003377 acid catalyst Substances 0.000 claims description 16
- 150000001875 compounds Chemical class 0.000 claims description 15
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 claims description 13
- RWRDLPDLKQPQOW-UHFFFAOYSA-N Pyrrolidine Chemical compound C1CCNC1 RWRDLPDLKQPQOW-UHFFFAOYSA-N 0.000 claims description 12
- 229910052739 hydrogen Inorganic materials 0.000 claims description 10
- 239000001257 hydrogen Substances 0.000 claims description 10
- 239000003960 organic solvent Substances 0.000 claims description 10
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 9
- -1 nitro-substituted phenyl Chemical class 0.000 claims description 8
- 239000007858 starting material Substances 0.000 claims description 7
- NQRYJNQNLNOLGT-UHFFFAOYSA-N Piperidine Chemical compound C1CCNCC1 NQRYJNQNLNOLGT-UHFFFAOYSA-N 0.000 claims description 6
- 229910052801 chlorine Inorganic materials 0.000 claims description 6
- 239000000460 chlorine Substances 0.000 claims description 6
- 150000002431 hydrogen Chemical group 0.000 claims description 6
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 claims description 6
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 claims description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 4
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 claims description 3
- 125000004432 carbon atom Chemical group C* 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 125000004183 alkoxy alkyl group Chemical group 0.000 claims description 2
- 125000003545 alkoxy group Chemical group 0.000 claims description 2
- 229940053197 benzodiazepine derivative antiepileptics Drugs 0.000 claims description 2
- 125000003310 benzodiazepinyl group Chemical class N1N=C(C=CC2=C1C=CC=C2)* 0.000 claims description 2
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 2
- 230000001419 dependent effect Effects 0.000 claims 8
- SFXZVEKHZPHJTH-UHFFFAOYSA-N 1h-1,4-benzodiazepin-2-amine Chemical class N1C(N)=CN=CC2=CC=CC=C21 SFXZVEKHZPHJTH-UHFFFAOYSA-N 0.000 abstract description 5
- 229940125681 anticonvulsant agent Drugs 0.000 abstract description 2
- 239000001961 anticonvulsive agent Substances 0.000 abstract description 2
- 229940035363 muscle relaxants Drugs 0.000 abstract description 2
- 239000003158 myorelaxant agent Substances 0.000 abstract description 2
- 229940125723 sedative agent Drugs 0.000 abstract description 2
- 239000000932 sedative agent Substances 0.000 abstract description 2
- 125000005037 alkyl phenyl group Chemical group 0.000 abstract 1
- 125000005059 halophenyl group Chemical group 0.000 abstract 1
- 125000006501 nitrophenyl group Chemical group 0.000 abstract 1
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 36
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 18
- 239000000203 mixture Substances 0.000 description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 14
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 12
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 9
- 239000011541 reaction mixture Substances 0.000 description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 239000002244 precipitate Substances 0.000 description 6
- 239000002904 solvent Substances 0.000 description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 5
- FPZAMNOXVVYEPG-UHFFFAOYSA-N 7-chloro-2-methyl-5-phenyl-3H-1,4-benzodiazepin-3-amine Chemical compound CC1=NC2=C(C(=NC1N)C1=CC=CC=C1)C=C(C=C2)Cl FPZAMNOXVVYEPG-UHFFFAOYSA-N 0.000 description 4
- PSADRZMLSXCSAS-UHFFFAOYSA-N 7-chloro-4-hydroxy-5-phenyl-3h-1,4-benzodiazepin-2-one Chemical compound ON1CC(=O)N=C2C=CC(Cl)=CC2=C1C1=CC=CC=C1 PSADRZMLSXCSAS-UHFFFAOYSA-N 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 4
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 239000000706 filtrate Substances 0.000 description 4
- 229910052731 fluorine Inorganic materials 0.000 description 4
- 239000011737 fluorine Substances 0.000 description 4
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 3
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 3
- 239000000908 ammonium hydroxide Substances 0.000 description 3
- 235000011089 carbon dioxide Nutrition 0.000 description 3
- 239000007795 chemical reaction product Substances 0.000 description 3
- AKPLHCDWDRPJGD-UHFFFAOYSA-N nordazepam Chemical compound C12=CC(Cl)=CC=C2NC(=O)CN=C1C1=CC=CC=C1 AKPLHCDWDRPJGD-UHFFFAOYSA-N 0.000 description 3
- 239000007800 oxidant agent Substances 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 2
- 150000003973 alkyl amines Chemical group 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- WTEOIRVLGSZEPR-UHFFFAOYSA-N boron trifluoride Chemical compound FB(F)F WTEOIRVLGSZEPR-UHFFFAOYSA-N 0.000 description 2
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 2
- 229910052794 bromium Inorganic materials 0.000 description 2
- HQABUPZFAYXKJW-UHFFFAOYSA-N butan-1-amine Chemical compound CCCCN HQABUPZFAYXKJW-UHFFFAOYSA-N 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- JJWLVOIRVHMVIS-UHFFFAOYSA-N isopropylamine Chemical compound CC(C)N JJWLVOIRVHMVIS-UHFFFAOYSA-N 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- KJIFKLIQANRMOU-UHFFFAOYSA-N oxidanium;4-methylbenzenesulfonate Chemical compound O.CC1=CC=C(S(O)(=O)=O)C=C1 KJIFKLIQANRMOU-UHFFFAOYSA-N 0.000 description 2
- 150000003141 primary amines Chemical class 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- WGYKZJWCGVVSQN-UHFFFAOYSA-N propylamine Chemical compound CCCN WGYKZJWCGVVSQN-UHFFFAOYSA-N 0.000 description 2
- 238000001953 recrystallisation Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- JPJALAQPGMAKDF-UHFFFAOYSA-N selenium dioxide Chemical compound O=[Se]=O JPJALAQPGMAKDF-UHFFFAOYSA-N 0.000 description 2
- NDVLTYZPCACLMA-UHFFFAOYSA-N silver oxide Chemical compound [O-2].[Ag+].[Ag+] NDVLTYZPCACLMA-UHFFFAOYSA-N 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- USVVENVKYJZFMW-ONEGZZNKSA-N (e)-carboxyiminocarbamic acid Chemical class OC(=O)\N=N\C(O)=O USVVENVKYJZFMW-ONEGZZNKSA-N 0.000 description 1
- NVJUHMXYKCUMQA-UHFFFAOYSA-N 1-ethoxypropane Chemical compound CCCOCC NVJUHMXYKCUMQA-UHFFFAOYSA-N 0.000 description 1
- LBLYYCQCTBFVLH-UHFFFAOYSA-N 2-Methylbenzenesulfonic acid Chemical compound CC1=CC=CC=C1S(O)(=O)=O LBLYYCQCTBFVLH-UHFFFAOYSA-N 0.000 description 1
- 125000004105 2-pyridyl group Chemical group N1=C([*])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- DEQHAUNOXCWEEH-UHFFFAOYSA-N 7-chloro-1-hydroxy-5-phenyl-3h-1,4-benzodiazepin-2-one Chemical compound N=1CC(=O)N(O)C2=CC=C(Cl)C=C2C=1C1=CC=CC=C1 DEQHAUNOXCWEEH-UHFFFAOYSA-N 0.000 description 1
- IRKXPJJKXBMOMW-UHFFFAOYSA-N 7-chloro-4-hydroxy-5-phenyl-3h-1,4-benzodiazepin-2-imine Chemical compound ON1CC(=N)N=C2C=CC(Cl)=CC2=C1C1=CC=CC=C1 IRKXPJJKXBMOMW-UHFFFAOYSA-N 0.000 description 1
- BUCORZSTKDOEKQ-UHFFFAOYSA-N 7-chloro-4-hydroxy-N-methyl-5-phenyl-3H-1,4-benzodiazepin-2-imine Chemical compound C=12C=C(Cl)C=CC2=NC(=NC)CN(O)C=1C1=CC=CC=C1 BUCORZSTKDOEKQ-UHFFFAOYSA-N 0.000 description 1
- GYQOYYFIHYKFEO-UHFFFAOYSA-N 7-chloro-5-phenyl-1,3,4,5-tetrahydro-1,4-benzodiazepin-2-one Chemical compound C12=CC(Cl)=CC=C2NC(=O)CNC1C1=CC=CC=C1 GYQOYYFIHYKFEO-UHFFFAOYSA-N 0.000 description 1
- DQZUAVXXQQOPOW-UHFFFAOYSA-N 7-chloro-n,n-dimethyl-4-oxido-5-phenyl-3h-1,4-benzodiazepin-4-ium-2-amine Chemical compound [O-][N+]=1CC(N(C)C)=NC2=CC=C(Cl)C=C2C=1C1=CC=CC=C1 DQZUAVXXQQOPOW-UHFFFAOYSA-N 0.000 description 1
- 229910015900 BF3 Inorganic materials 0.000 description 1
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- 239000002841 Lewis acid Substances 0.000 description 1
- ZKPZLTUGVGPSFG-UHFFFAOYSA-N N-methyl-7-nitro-5-phenyl-1,3-dihydro-1,4-benzodiazepin-2-imine Chemical compound CNC1=NC2=C(C(=NC1)C1=CC=CC=C1)C=C(C=C2)[N+](=O)[O-] ZKPZLTUGVGPSFG-UHFFFAOYSA-N 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical class [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- OEYOHULQRFXULB-UHFFFAOYSA-N arsenic trichloride Chemical compound Cl[As](Cl)Cl OEYOHULQRFXULB-UHFFFAOYSA-N 0.000 description 1
- 125000005604 azodicarboxylate group Chemical group 0.000 description 1
- 150000001557 benzodiazepines Chemical class 0.000 description 1
- DAMJCWMGELCIMI-UHFFFAOYSA-N benzyl n-(2-oxopyrrolidin-3-yl)carbamate Chemical compound C=1C=CC=CC=1COC(=O)NC1CCNC1=O DAMJCWMGELCIMI-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 235000005911 diet Nutrition 0.000 description 1
- 230000000378 dietary effect Effects 0.000 description 1
- HPNMFZURTQLUMO-UHFFFAOYSA-N diethylamine Chemical compound CCNCC HPNMFZURTQLUMO-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 150000007517 lewis acids Chemical class 0.000 description 1
- CWYZDPHNAGSFQB-UHFFFAOYSA-N n-propylbutan-1-amine Chemical compound CCCCNCCC CWYZDPHNAGSFQB-UHFFFAOYSA-N 0.000 description 1
- KJONHKAYOJNZEC-UHFFFAOYSA-N nitrazepam Chemical compound C12=CC([N+](=O)[O-])=CC=C2NC(=O)CN=C1C1=CC=CC=C1 KJONHKAYOJNZEC-UHFFFAOYSA-N 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 239000012044 organic layer Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 150000003335 secondary amines Chemical class 0.000 description 1
- 229910001923 silver oxide Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- YUOWTJMRMWQJDA-UHFFFAOYSA-J tin(iv) fluoride Chemical compound [F-].[F-].[F-].[F-].[Sn+4] YUOWTJMRMWQJDA-UHFFFAOYSA-J 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
- C07D243/20—Nitrogen atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Plural Heterocyclic Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Pyridine Compounds (AREA)
- Springs (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US62143467A | 1967-03-08 | 1967-03-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH502354A true CH502354A (de) | 1971-01-31 |
Family
ID=24490164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH229068A CH502354A (de) | 1967-03-08 | 1968-02-16 | Verfahren zur Herstellung von Benzodiazepin-Derivaten |
Country Status (17)
| Country | Link |
|---|---|
| AT (1) | AT277255B (is") |
| BE (1) | BE711784A (is") |
| CH (1) | CH502354A (is") |
| CY (1) | CY523A (is") |
| DE (1) | DE1695225A1 (is") |
| DK (1) | DK121235B (is") |
| ES (1) | ES351343A1 (is") |
| FI (1) | FI48470C (is") |
| FR (1) | FR1555405A (is") |
| GB (1) | GB1158246A (is") |
| IL (1) | IL29501A (is") |
| MY (1) | MY7000055A (is") |
| NL (1) | NL143230B (is") |
| NO (1) | NO123036B (is") |
| OA (1) | OA02752A (is") |
| SE (1) | SE348735B (is") |
| YU (1) | YU31946B (is") |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5141735A (en) * | 1990-06-18 | 1992-08-25 | Hoffman-La Roche, Inc. | Substituted amino-benzodiazepines having anitviral activity |
-
1968
- 1968-02-16 CH CH229068A patent/CH502354A/de not_active IP Right Cessation
- 1968-02-20 IL IL29501A patent/IL29501A/en unknown
- 1968-02-20 AT AT157468A patent/AT277255B/de not_active IP Right Cessation
- 1968-02-20 DE DE19681695225 patent/DE1695225A1/de active Pending
- 1968-03-05 OA OA53195A patent/OA02752A/xx unknown
- 1968-03-05 GB GB10661/68A patent/GB1158246A/en not_active Expired
- 1968-03-05 FI FI680593A patent/FI48470C/fi active
- 1968-03-07 NO NO0880/68A patent/NO123036B/no unknown
- 1968-03-07 NL NL686803245A patent/NL143230B/xx unknown
- 1968-03-07 ES ES351343A patent/ES351343A1/es not_active Expired
- 1968-03-07 YU YU0524/68A patent/YU31946B/xx unknown
- 1968-03-07 BE BE711784D patent/BE711784A/xx unknown
- 1968-03-07 DK DK96068AA patent/DK121235B/da unknown
- 1968-03-08 FR FR1555405D patent/FR1555405A/fr not_active Expired
- 1968-03-08 SE SE03150/68A patent/SE348735B/xx unknown
-
1970
- 1970-02-10 CY CY52370A patent/CY523A/xx unknown
- 1970-12-31 MY MY197055A patent/MY7000055A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NO123036B (is") | 1971-09-20 |
| GB1158246A (en) | 1969-07-16 |
| CY523A (en) | 1970-02-10 |
| IL29501A (en) | 1971-10-20 |
| YU52468A (en) | 1973-08-31 |
| DE1695225A1 (de) | 1970-09-10 |
| FI48470B (is") | 1974-07-01 |
| ES351343A1 (es) | 1969-06-01 |
| DK121235B (da) | 1971-09-27 |
| SE348735B (is") | 1972-09-11 |
| OA02752A (fr) | 1970-12-15 |
| BE711784A (is") | 1968-09-09 |
| YU31946B (en) | 1974-02-28 |
| FR1555405A (is") | 1969-01-24 |
| FI48470C (fi) | 1974-10-10 |
| NL6803245A (is") | 1968-09-09 |
| AT277255B (de) | 1969-12-29 |
| MY7000055A (en) | 1970-12-31 |
| NL143230B (nl) | 1974-09-16 |
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