TW377345B - Purification of 4-aminopiperidines - Google Patents
Purification of 4-aminopiperidinesInfo
- Publication number
- TW377345B TW377345B TW087116216A TW87116216A TW377345B TW 377345 B TW377345 B TW 377345B TW 087116216 A TW087116216 A TW 087116216A TW 87116216 A TW87116216 A TW 87116216A TW 377345 B TW377345 B TW 377345B
- Authority
- TW
- Taiwan
- Prior art keywords
- aminopiperidines
- purification
- tetrasubstituted
- aminopiperidine
- piperidines
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D211/00—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
- C07D211/04—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D211/06—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members
- C07D211/36—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members 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
- C07D211/56—Nitrogen atoms
- C07D211/58—Nitrogen atoms attached in position 4
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D211/00—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
- C07D211/04—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D211/06—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members
- C07D211/36—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members 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
- C07D211/40—Oxygen atoms
- C07D211/44—Oxygen atoms attached in position 4
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Hydrogenated Pyridines (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19743433A DE19743433C1 (de) | 1997-10-01 | 1997-10-01 | Verfahren zur Reinigung von 4-Amino-piperidinen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW377345B true TW377345B (en) | 1999-12-21 |
Family
ID=7844311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW087116216A TW377345B (en) | 1997-10-01 | 1998-09-30 | Purification of 4-aminopiperidines |
Country Status (16)
| Country | Link |
|---|---|
| EP (1) | EP1025084A1 (id) |
| JP (1) | JP2001518465A (id) |
| KR (1) | KR20010030840A (id) |
| CN (1) | CN1272843A (id) |
| AU (1) | AU9746998A (id) |
| BR (1) | BR9812595A (id) |
| CA (1) | CA2305282A1 (id) |
| CO (1) | CO4770994A1 (id) |
| DE (1) | DE19743433C1 (id) |
| HU (1) | HUP0004584A2 (id) |
| ID (1) | ID23897A (id) |
| NZ (1) | NZ503565A (id) |
| PL (1) | PL339578A1 (id) |
| SK (1) | SK4262000A3 (id) |
| TW (1) | TW377345B (id) |
| WO (1) | WO1999016749A1 (id) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008040045A1 (de) * | 2008-02-01 | 2009-08-06 | Evonik Degussa Gmbh | Verfahren zur Herstellung von 4-Amino-2,2,6,6-tetramethylpiperidin |
| EP2085384A1 (de) | 2008-02-01 | 2009-08-05 | Evonik Degussa GmbH | Verfahren zur Herstellung von 4-Amino-2,2,6,6-tetramethylpiperidin |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3003843A1 (de) * | 1980-02-02 | 1981-08-13 | Chemische Werke Hüls AG, 4370 Marl | Verfahren zur herstellung von 4-amino-2,2,6,6-tetramethylpiperidin |
| CH664361A5 (de) * | 1985-06-13 | 1988-02-29 | Ni Institutkhimikatov Dlya Pol | Verfahren zur herstellung von 4-amino-2,2,6,6-tetramethylpiperidin. |
| US4766247A (en) * | 1986-09-26 | 1988-08-23 | Air Products And Chemicals, Inc. | Color reduction of polyamines by mild catalytic hydrogenation |
| JP2718179B2 (ja) * | 1989-05-26 | 1998-02-25 | 三井化学株式会社 | ２，２，６，６‐テトラアルキル‐４‐ピペリジノンの精製方法 |
| DE19622269A1 (de) * | 1996-06-03 | 1997-12-04 | Basf Ag | Verfahren zur Reinigung von sterisch gehinderten 4-Aminopiperidinen |
-
1997
- 1997-10-01 DE DE19743433A patent/DE19743433C1/de not_active Expired - Lifetime
-
1998
- 1998-09-25 WO PCT/EP1998/006117 patent/WO1999016749A1/de not_active Ceased
- 1998-09-25 CA CA002305282A patent/CA2305282A1/en not_active Abandoned
- 1998-09-25 KR KR1020007003498A patent/KR20010030840A/ko not_active Withdrawn
- 1998-09-25 HU HU0004584A patent/HUP0004584A2/hu unknown
- 1998-09-25 JP JP2000513835A patent/JP2001518465A/ja not_active Withdrawn
- 1998-09-25 CN CN98809761A patent/CN1272843A/zh active Pending
- 1998-09-25 AU AU97469/98A patent/AU9746998A/en not_active Abandoned
- 1998-09-25 ID IDW20000612D patent/ID23897A/id unknown
- 1998-09-25 EP EP98951469A patent/EP1025084A1/de not_active Withdrawn
- 1998-09-25 SK SK426-2000A patent/SK4262000A3/sk unknown
- 1998-09-25 PL PL98339578A patent/PL339578A1/xx unknown
- 1998-09-25 BR BR9812595-8A patent/BR9812595A/pt not_active Application Discontinuation
- 1998-09-25 NZ NZ503565A patent/NZ503565A/en unknown
- 1998-09-30 TW TW087116216A patent/TW377345B/zh active
- 1998-09-30 CO CO98056932A patent/CO4770994A1/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| HUP0004584A2 (hu) | 2001-04-28 |
| WO1999016749A1 (de) | 1999-04-08 |
| CN1272843A (zh) | 2000-11-08 |
| NZ503565A (en) | 2001-09-28 |
| EP1025084A1 (de) | 2000-08-09 |
| CO4770994A1 (es) | 1999-04-30 |
| KR20010030840A (ko) | 2001-04-16 |
| BR9812595A (pt) | 2000-08-01 |
| ID23897A (id) | 2000-05-25 |
| DE19743433C1 (de) | 1999-04-22 |
| CA2305282A1 (en) | 1999-04-08 |
| JP2001518465A (ja) | 2001-10-16 |
| SK4262000A3 (en) | 2000-10-09 |
| PL339578A1 (en) | 2000-12-18 |
| AU9746998A (en) | 1999-04-23 |
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