PL364653A1 - Sposób wytwarzania ketali - Google Patents
Sposób wytwarzania ketaliInfo
- Publication number
- PL364653A1 PL364653A1 PL04364653A PL36465304A PL364653A1 PL 364653 A1 PL364653 A1 PL 364653A1 PL 04364653 A PL04364653 A PL 04364653A PL 36465304 A PL36465304 A PL 36465304A PL 364653 A1 PL364653 A1 PL 364653A1
- Authority
- PL
- Poland
- Prior art keywords
- ketals
- acetals
- manufacturing
- triacetonamine
- ketalization
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
- C07D491/02—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains two hetero rings
- C07D491/10—Spiro-condensed systems
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Steroid Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10304055A DE10304055A1 (de) | 2003-02-01 | 2003-02-01 | Verfahren zur Herstellung von Ketalen |
Publications (2)
Publication Number | Publication Date |
---|---|
PL364653A1 true PL364653A1 (pl) | 2004-08-09 |
PL209007B1 PL209007B1 (pl) | 2011-07-29 |
Family
ID=32603094
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PL364653A PL209007B1 (pl) | 2003-02-01 | 2004-01-30 | Sposób wytwarzania ketali |
Country Status (7)
Country | Link |
---|---|
US (1) | US7390930B2 (pl) |
EP (1) | EP1443049B1 (pl) |
AT (1) | ATE292130T1 (pl) |
DE (2) | DE10304055A1 (pl) |
MX (1) | MXPA03009027A (pl) |
NO (1) | NO20040461L (pl) |
PL (1) | PL209007B1 (pl) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017018153A1 (ja) * | 2015-07-24 | 2017-02-02 | Dic株式会社 | 安定剤化合物、液晶組成物および表示素子 |
JP6260743B2 (ja) * | 2015-08-07 | 2018-01-17 | Dic株式会社 | 液晶組成物及びそれを使用した液晶表示素子 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3839273A (en) * | 1971-11-13 | 1974-10-01 | Sankyo Co | N-substituted piperidine derivatives, process for preparing the same and their use as stabilizers |
US3790525A (en) * | 1972-01-21 | 1974-02-05 | Sankyo Co | 4-piperidone ketal derivatives,their preparation and their use as stabilizers |
US3862100A (en) * | 1972-12-13 | 1975-01-21 | Firestone Tire & Rubber Co | Alkali metal aliphatic and aromatic hydrocarbon acetals and ketals and their use as polymerization initiators, etc. |
US3940401A (en) * | 1973-03-01 | 1976-02-24 | Sankyo Company Limited | 4,4-(O-phenylenedioxy)-2,2,6,6-tetramethyl piperidine |
NO742245L (pl) * | 1973-06-23 | 1975-01-20 | Sankyo Co | |
FI189774A (pl) * | 1973-06-26 | 1974-12-27 | Sankyo Co | |
JPS5625185A (en) * | 1979-08-08 | 1981-03-10 | Adeka Argus Chem Co Ltd | Preparation of 4-piperidone spiroketal compound |
US4250312A (en) * | 1979-12-28 | 1981-02-10 | Argus Chemical Corp. | Process for preparing 4-piperidone spiroketal compounds |
DE19647395A1 (de) * | 1996-11-15 | 1998-05-20 | Basf Ag | Verfahren zur Herstellung von cyclischen Acetalen oder Ketalen |
DE10045465A1 (de) * | 2000-09-14 | 2002-03-28 | Karl Zeitsch | Verfahren zur atmosphärischen Herstellung von Furfural mit Hilfe eines gasförmigen Katalysators |
US6852860B2 (en) * | 2003-03-14 | 2005-02-08 | Weyerhaeuser Company | Method for making piperidone ketals using polyphosphoric acid |
DE102004023640A1 (de) * | 2004-05-10 | 2005-12-08 | Degussa Ag | Verfahren zur Herstellung von 4-substituierten 2,2,6,6-Tetramethyl-piperidin-N-oxy- und 2,2,6,6-Tetramethyl-piperidin-N-hydroxy-verbindungen |
-
2003
- 2003-02-01 DE DE10304055A patent/DE10304055A1/de not_active Withdrawn
- 2003-07-16 US US10/619,436 patent/US7390930B2/en not_active Expired - Fee Related
- 2003-10-02 MX MXPA03009027A patent/MXPA03009027A/es active IP Right Grant
- 2003-12-04 EP EP03104546A patent/EP1443049B1/de not_active Expired - Lifetime
- 2003-12-04 DE DE50300415T patent/DE50300415D1/de not_active Expired - Lifetime
- 2003-12-04 AT AT03104546T patent/ATE292130T1/de not_active IP Right Cessation
-
2004
- 2004-01-30 PL PL364653A patent/PL209007B1/pl unknown
- 2004-02-02 NO NO20040461A patent/NO20040461L/no not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
US7390930B2 (en) | 2008-06-24 |
EP1443049A1 (de) | 2004-08-04 |
MXPA03009027A (es) | 2004-08-09 |
PL209007B1 (pl) | 2011-07-29 |
US20040152920A1 (en) | 2004-08-05 |
NO20040461L (no) | 2004-08-02 |
DE50300415D1 (de) | 2005-05-04 |
DE10304055A1 (de) | 2004-08-12 |
EP1443049B1 (de) | 2005-03-30 |
ATE292130T1 (de) | 2005-04-15 |
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