HK1005027A1 - Process for purification of 1,2-bis(nicotinamido) propane - Google Patents
Process for purification of 1,2-bis(nicotinamido) propaneInfo
- Publication number
- HK1005027A1 HK1005027A1 HK98104189A HK98104189A HK1005027A1 HK 1005027 A1 HK1005027 A1 HK 1005027A1 HK 98104189 A HK98104189 A HK 98104189A HK 98104189 A HK98104189 A HK 98104189A HK 1005027 A1 HK1005027 A1 HK 1005027A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- nicotinamido
- bis
- propane
- crude
- solvent
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D213/78—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D213/81—Amides; Imides
- C07D213/82—Amides; Imides in position 3
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pyridine Compounds (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 |
|---|---|---|---|
| JP33025588 | 1988-12-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| HK1005027A1 true HK1005027A1 (en) | 1998-12-18 |
Family
ID=18230595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HK98104189A HK1005027A1 (en) | 1988-12-27 | 1998-05-14 | Process for purification of 1,2-bis(nicotinamido) propane |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US5099022A (xx) |
| EP (1) | EP0376185B1 (xx) |
| AT (1) | ATE110058T1 (xx) |
| CA (1) | CA2006665C (xx) |
| DE (1) | DE68917574T2 (xx) |
| ES (1) | ES2061918T3 (xx) |
| HK (1) | HK1005027A1 (xx) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09315972A (ja) * | 1996-03-22 | 1997-12-09 | Chugai Pharmaceut Co Ltd | 脊髄損傷治療剤 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2681341A (en) * | 1952-08-19 | 1954-06-15 | S E Massengill Company | Solid acid salts of nu, nu-diethyl pyridine-3-carboxylic acid amide |
| JPS5675474A (en) * | 1979-11-22 | 1981-06-22 | Chugai Pharmaceut Co Ltd | Nicotinamide derivative and medicine containing the same |
| US4910301A (en) * | 1985-08-05 | 1990-03-20 | Bristol-Myers Company | Cefepime cephalosporin salts |
-
1989
- 1989-12-22 AT AT89123739T patent/ATE110058T1/de not_active IP Right Cessation
- 1989-12-22 ES ES89123739T patent/ES2061918T3/es not_active Expired - Lifetime
- 1989-12-22 DE DE68917574T patent/DE68917574T2/de not_active Expired - Fee Related
- 1989-12-22 EP EP89123739A patent/EP0376185B1/en not_active Expired - Lifetime
- 1989-12-27 CA CA002006665A patent/CA2006665C/en not_active Expired - Fee Related
- 1989-12-27 US US07/456,794 patent/US5099022A/en not_active Expired - Lifetime
-
1998
- 1998-05-14 HK HK98104189A patent/HK1005027A1/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| EP0376185B1 (en) | 1994-08-17 |
| ATE110058T1 (de) | 1994-09-15 |
| EP0376185A3 (en) | 1991-03-27 |
| DE68917574T2 (de) | 1994-12-15 |
| CA2006665A1 (en) | 1990-06-27 |
| EP0376185A2 (en) | 1990-07-04 |
| DE68917574D1 (de) | 1994-09-22 |
| ES2061918T3 (es) | 1994-12-16 |
| CA2006665C (en) | 1998-02-17 |
| US5099022A (en) | 1992-03-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PF | Patent in force | ||
| PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |
Effective date: 20061222 |