NO131423B - - Google Patents
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- Publication number
- NO131423B NO131423B NO2389/71A NO238971A NO131423B NO 131423 B NO131423 B NO 131423B NO 2389/71 A NO2389/71 A NO 2389/71A NO 238971 A NO238971 A NO 238971A NO 131423 B NO131423 B NO 131423B
- Authority
- NO
- Norway
- Prior art keywords
- ephedrine
- hemisuccinates
- hemisuccinate
- acetone
- water
- Prior art date
Links
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 34
- KWGRBVOPPLSCSI-UHFFFAOYSA-N d-ephedrine Natural products CNC(C)C(O)C1=CC=CC=C1 KWGRBVOPPLSCSI-UHFFFAOYSA-N 0.000 claims description 27
- KWGRBVOPPLSCSI-WPRPVWTQSA-N (-)-ephedrine Chemical compound CN[C@@H](C)[C@H](O)C1=CC=CC=C1 KWGRBVOPPLSCSI-WPRPVWTQSA-N 0.000 claims description 21
- 150000003839 salts Chemical class 0.000 claims description 19
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 9
- KWGRBVOPPLSCSI-PSASIEDQSA-N (1s,2r)-2-(methylamino)-1-phenylpropan-1-ol Chemical compound CN[C@H](C)[C@@H](O)C1=CC=CC=C1 KWGRBVOPPLSCSI-PSASIEDQSA-N 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims description 3
- 239000000243 solution Substances 0.000 description 11
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 6
- 229960000583 acetic acid Drugs 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 125000003310 benzodiazepinyl group Chemical class N1N=C(C=CC2=C1C=CC=C2)* 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- FALRKNHUBBKYCC-UHFFFAOYSA-N 2-(chloromethyl)pyridine-3-carbonitrile Chemical compound ClCC1=NC=CC=C1C#N FALRKNHUBBKYCC-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 239000002535 acidifier Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 229940049706 benzodiazepine Drugs 0.000 description 1
- 229940053197 benzodiazepine derivative antiepileptics Drugs 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000003169 central nervous system Anatomy 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001816 cooling Methods 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
- 238000007865 diluting Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 229960002179 ephedrine Drugs 0.000 description 1
- 230000032050 esterification Effects 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012362 glacial acetic acid Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 150000007529 inorganic bases Chemical class 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 150000007530 organic bases Chemical class 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229940014800 succinic anhydride Drugs 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 238000004383 yellowing 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB30851/70A GB1292474A (en) | 1970-06-25 | 1970-06-25 | Benzodiazepine derivatives |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO131423B true NO131423B (da) | 1975-02-17 |
| NO131423C NO131423C (da) | 1975-05-28 |
Family
ID=10314130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO2389/71A NO131423C (da) | 1970-06-25 | 1971-06-24 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3798212A (da) |
| BE (1) | BE822847Q (da) |
| CA (1) | CA963005A (da) |
| CH (1) | CH528521A (da) |
| DE (1) | DE2131158A1 (da) |
| ES (1) | ES392557A1 (da) |
| FR (1) | FR2100821B1 (da) |
| GB (1) | GB1292474A (da) |
| NL (1) | NL7108679A (da) |
| NO (1) | NO131423C (da) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4092043A (en) * | 1977-04-11 | 1978-05-30 | Wieland Roman G | Limb support apparatus |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE791988Q (fr) * | 1969-04-08 | 1973-03-16 | Ravizza Spa | Procede pour la decomposition de derives racemiques de la 3-succinyloxy-5-phenyl-1,3-dihydro-2h-1, 4-benzodiazepine-2-one en leurs antipodes optiques |
-
1970
- 1970-06-25 GB GB30851/70A patent/GB1292474A/en not_active Expired
-
1971
- 1971-06-15 FR FR7121659A patent/FR2100821B1/fr not_active Expired
- 1971-06-16 US US00153851A patent/US3798212A/en not_active Expired - Lifetime
- 1971-06-23 ES ES392557A patent/ES392557A1/es not_active Expired
- 1971-06-23 NL NL7108679A patent/NL7108679A/xx unknown
- 1971-06-23 DE DE19712131158 patent/DE2131158A1/de active Pending
- 1971-06-24 NO NO2389/71A patent/NO131423C/no unknown
- 1971-06-24 CH CH925471A patent/CH528521A/fr not_active IP Right Cessation
- 1971-06-25 CA CA116,628A patent/CA963005A/en not_active Expired
-
1974
- 1974-12-02 BE BE151065A patent/BE822847Q/xx active
Also Published As
| Publication number | Publication date |
|---|---|
| CA963005A (en) | 1975-02-18 |
| GB1292474A (en) | 1972-10-11 |
| FR2100821B1 (da) | 1974-08-30 |
| FR2100821A1 (da) | 1972-03-24 |
| NL7108679A (da) | 1971-12-28 |
| US3798212A (en) | 1974-03-19 |
| NO131423C (da) | 1975-05-28 |
| BE822847Q (fr) | 1975-04-01 |
| DE2131158A1 (de) | 1971-12-30 |
| CH528521A (fr) | 1972-09-30 |
| ES392557A1 (es) | 1973-09-16 |
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