DE2334273A1 - Verfahren zur herstellung von benzodiazepinderivaten - Google Patents
Verfahren zur herstellung von benzodiazepinderivatenInfo
- Publication number
- DE2334273A1 DE2334273A1 DE19732334273 DE2334273A DE2334273A1 DE 2334273 A1 DE2334273 A1 DE 2334273A1 DE 19732334273 DE19732334273 DE 19732334273 DE 2334273 A DE2334273 A DE 2334273A DE 2334273 A1 DE2334273 A1 DE 2334273A1
- Authority
- DE
- Germany
- Prior art keywords
- nitro
- dihydro
- benzodiazepin
- phenyl
- silica gel
- Prior art date
- Legal status (The legal status 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 status listed.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims description 24
- 229940053197 benzodiazepine derivative antiepileptics Drugs 0.000 title claims description 3
- 150000001557 benzodiazepines Chemical class 0.000 title description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 35
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 8
- 239000000377 silicon dioxide Substances 0.000 claims description 8
- 239000000843 powder Substances 0.000 claims description 7
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 6
- 125000004182 2-chlorophenyl group Chemical group [H]C1=C([H])C(Cl)=C(*)C([H])=C1[H] 0.000 claims description 5
- 125000004198 2-fluorophenyl group Chemical group [H]C1=C([H])C(F)=C(*)C([H])=C1[H] 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- 125000000217 alkyl group Chemical group 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 239000003960 organic solvent Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 239000007858 starting material Substances 0.000 claims description 3
- 125000000068 chlorophenyl group Chemical group 0.000 claims description 2
- 239000002904 solvent Substances 0.000 claims description 2
- 125000003310 benzodiazepinyl group Chemical class N1N=C(C=CC2=C1C=CC=C2)* 0.000 claims 1
- 239000000741 silica gel Substances 0.000 description 16
- 229910002027 silica gel Inorganic materials 0.000 description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 14
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 9
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 9
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 8
- 238000002844 melting Methods 0.000 description 8
- 230000008018 melting Effects 0.000 description 8
- 239000000203 mixture Substances 0.000 description 7
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 238000010992 reflux Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- DGBIGWXXNGSACT-UHFFFAOYSA-N clonazepam Chemical compound C12=CC([N+](=O)[O-])=CC=C2NC(=O)CN=C1C1=CC=CC=C1Cl DGBIGWXXNGSACT-UHFFFAOYSA-N 0.000 description 3
- 239000011541 reaction mixture Substances 0.000 description 3
- VDWHFAAXPZFFEI-UHFFFAOYSA-N 2-amino-n-[2-(2-chlorobenzoyl)-4-nitrophenyl]acetamide Chemical compound NCC(=O)NC1=CC=C([N+]([O-])=O)C=C1C(=O)C1=CC=CC=C1Cl VDWHFAAXPZFFEI-UHFFFAOYSA-N 0.000 description 2
- 229910002012 Aerosil® Inorganic materials 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 2
- NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 239000012452 mother liquor Substances 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- -1 2-aminoacetamido Chemical group 0.000 description 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002082 anti-convulsion Effects 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 238000004440 column chromatography Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 150000008282 halocarbons Chemical class 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- JMMWKPVZQRWMSS-UHFFFAOYSA-N isopropanol acetate Natural products CC(C)OC(C)=O JMMWKPVZQRWMSS-UHFFFAOYSA-N 0.000 description 1
- 229940011051 isopropyl acetate Drugs 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- GWYFCOCPABKNJV-UHFFFAOYSA-N isovaleric acid Chemical compound CC(C)CC(O)=O GWYFCOCPABKNJV-UHFFFAOYSA-N 0.000 description 1
- 229940050176 methyl chloride Drugs 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 125000005624 silicic acid group Chemical class 0.000 description 1
- 230000007958 sleep Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000002936 tranquilizing effect Effects 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
- 238000005406 washing 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
- C07D243/28—Preparation including building-up the benzodiazepine skeleton from compounds containing no hetero rings
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1011972A CH568303A5 (enrdf_load_stackoverflow) | 1972-07-06 | 1972-07-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2334273A1 true DE2334273A1 (de) | 1974-01-24 |
Family
ID=4359570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19732334273 Withdrawn DE2334273A1 (de) | 1972-07-06 | 1973-07-05 | Verfahren zur herstellung von benzodiazepinderivaten |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS561311B2 (enrdf_load_stackoverflow) |
| AT (1) | AT336621B (enrdf_load_stackoverflow) |
| BE (1) | BE801938A (enrdf_load_stackoverflow) |
| CH (1) | CH568303A5 (enrdf_load_stackoverflow) |
| DE (1) | DE2334273A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2192106B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1385610A (enrdf_load_stackoverflow) |
| NL (1) | NL7309018A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114702451B (zh) * | 2022-03-29 | 2024-05-14 | 国药集团国瑞药业有限公司 | 一种氯硝西泮及其中间体的制备方法 |
-
1972
- 1972-07-06 CH CH1011972A patent/CH568303A5/xx not_active IP Right Cessation
-
1973
- 1973-06-28 NL NL7309018A patent/NL7309018A/xx not_active Application Discontinuation
- 1973-07-04 JP JP7496473A patent/JPS561311B2/ja not_active Expired
- 1973-07-04 FR FR7324550A patent/FR2192106B1/fr not_active Expired
- 1973-07-05 BE BE133136A patent/BE801938A/xx unknown
- 1973-07-05 AT AT592573A patent/AT336621B/de not_active IP Right Cessation
- 1973-07-05 DE DE19732334273 patent/DE2334273A1/de not_active Withdrawn
- 1973-07-05 GB GB3202273A patent/GB1385610A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AT336621B (de) | 1977-05-10 |
| GB1385610A (en) | 1975-02-26 |
| CH568303A5 (enrdf_load_stackoverflow) | 1975-10-31 |
| ATA592573A (de) | 1976-09-15 |
| JPS561311B2 (enrdf_load_stackoverflow) | 1981-01-13 |
| BE801938A (fr) | 1974-01-07 |
| FR2192106A1 (enrdf_load_stackoverflow) | 1974-02-08 |
| JPS4951291A (enrdf_load_stackoverflow) | 1974-05-18 |
| FR2192106B1 (enrdf_load_stackoverflow) | 1977-09-16 |
| NL7309018A (enrdf_load_stackoverflow) | 1974-01-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| 8139 | Disposal/non-payment of the annual fee |