ATE155457T1 - Verfahren zur dehydratation von dihydroxypiperidindicarboxylaten - Google Patents
Verfahren zur dehydratation von dihydroxypiperidindicarboxylatenInfo
- Publication number
- ATE155457T1 ATE155457T1 AT93870005T AT93870005T ATE155457T1 AT E155457 T1 ATE155457 T1 AT E155457T1 AT 93870005 T AT93870005 T AT 93870005T AT 93870005 T AT93870005 T AT 93870005T AT E155457 T1 ATE155457 T1 AT E155457T1
- Authority
- AT
- Austria
- Prior art keywords
- dihydroxypiperideindicarboxylates
- dehydration
- trifluoromethyl
- bis
- alkyl
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- 230000018044 dehydration Effects 0.000 title 1
- 238000006297 dehydration reaction Methods 0.000 title 1
- 239000002904 solvent Substances 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 1
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 abstract 1
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
- C07D211/60—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
-
- 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
- C07D211/80—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 two double bonds between ring members or between ring members and non-ring members
- C07D211/84—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 two 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 directly attached to ring carbon atoms
- C07D211/90—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Hydrogenated Pyridines (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Liquid Crystal Substances (AREA)
- Plural Heterocyclic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/822,791 US5206369A (en) | 1992-01-21 | 1992-01-21 | Process for the dehydration of dihydroxypiperidinedicarboxylates |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE155457T1 true ATE155457T1 (de) | 1997-08-15 |
Family
ID=25236987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT93870005T ATE155457T1 (de) | 1992-01-21 | 1993-01-20 | Verfahren zur dehydratation von dihydroxypiperidindicarboxylaten |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US5206369A (de) |
| EP (1) | EP0553068B1 (de) |
| JP (1) | JP3255307B2 (de) |
| KR (1) | KR960001915B1 (de) |
| AT (1) | ATE155457T1 (de) |
| AU (1) | AU652505B2 (de) |
| CA (1) | CA2087645A1 (de) |
| DE (1) | DE69312103T2 (de) |
| ES (1) | ES2105201T3 (de) |
| HU (1) | HU210327B (de) |
| IL (1) | IL104458A (de) |
| TW (1) | TW218868B (de) |
| ZA (1) | ZA93397B (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6841362B1 (ja) | 2020-03-17 | 2021-03-10 | 住友大阪セメント株式会社 | リチウムイオン二次電池用正極材料、リチウムイオン二次電池用正極及びリチウムイオン二次電池 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4692184A (en) * | 1984-04-24 | 1987-09-08 | Monsanto Company | 2,6-substituted pyridine compounds |
| ES535012A0 (es) * | 1983-08-11 | 1985-07-01 | Monsanto Co | Un procedimiento para preparar dihidropiridinas |
| ES8506627A1 (es) * | 1983-08-11 | 1985-08-01 | Monsanto Co | Un procedimiento para preparar derivados de piridina sustituidos en las posiciones 2 y 6 |
| IT1203900B (it) * | 1987-04-15 | 1989-02-23 | Lagor Spa | Poli 1,4-diidro-2,6-dimetilpiridine 3,5-dicarbossilesteri utili come stabilizzanti termici per polimeri sintetici |
| US4908057A (en) * | 1988-08-01 | 1990-03-13 | Monsanto Company | Substituted 2,6-substituted 1,2- or 1,6-dihydro pyridine compounds |
| US5486949A (en) * | 1989-06-20 | 1996-01-23 | The Dow Chemical Company | Birefringent interference polarizer |
| US5051512A (en) * | 1990-03-19 | 1991-09-24 | Monsanto Company | Process for preparation of fluoromethyl-substituted piperidine carbodithioates |
-
1992
- 1992-01-21 US US07/822,791 patent/US5206369A/en not_active Expired - Lifetime
-
1993
- 1993-01-12 TW TW082100147A patent/TW218868B/zh not_active IP Right Cessation
- 1993-01-19 HU HU9300138A patent/HU210327B/hu not_active IP Right Cessation
- 1993-01-20 EP EP93870005A patent/EP0553068B1/de not_active Expired - Lifetime
- 1993-01-20 KR KR1019930000703A patent/KR960001915B1/ko not_active Expired - Lifetime
- 1993-01-20 JP JP00765893A patent/JP3255307B2/ja not_active Expired - Lifetime
- 1993-01-20 CA CA002087645A patent/CA2087645A1/en not_active Abandoned
- 1993-01-20 ZA ZA93397A patent/ZA93397B/xx unknown
- 1993-01-20 AT AT93870005T patent/ATE155457T1/de not_active IP Right Cessation
- 1993-01-20 ES ES93870005T patent/ES2105201T3/es not_active Expired - Lifetime
- 1993-01-20 AU AU31875/93A patent/AU652505B2/en not_active Ceased
- 1993-01-20 DE DE69312103T patent/DE69312103T2/de not_active Expired - Lifetime
- 1993-01-20 IL IL104458A patent/IL104458A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| AU652505B2 (en) | 1994-08-25 |
| HUT63369A (en) | 1993-08-30 |
| HU9300138D0 (en) | 1993-04-28 |
| AU3187593A (en) | 1993-07-22 |
| KR930016397A (ko) | 1993-08-26 |
| JPH06172309A (ja) | 1994-06-21 |
| TW218868B (de) | 1994-01-11 |
| HU210327B (en) | 1995-03-28 |
| KR960001915B1 (ko) | 1996-02-06 |
| EP0553068A1 (de) | 1993-07-28 |
| ZA93397B (en) | 1993-11-08 |
| IL104458A (en) | 1997-11-20 |
| CA2087645A1 (en) | 1993-07-22 |
| US5206369A (en) | 1993-04-27 |
| EP0553068B1 (de) | 1997-07-16 |
| DE69312103T2 (de) | 1998-02-19 |
| JP3255307B2 (ja) | 2002-02-12 |
| ES2105201T3 (es) | 1997-10-16 |
| IL104458A0 (en) | 1993-05-13 |
| DE69312103D1 (de) | 1997-08-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |