NL1011394C2 - Bereiding van sterisch gehinderde amine-ethers. - Google Patents
Bereiding van sterisch gehinderde amine-ethers. Download PDFInfo
- Publication number
- NL1011394C2 NL1011394C2 NL1011394A NL1011394A NL1011394C2 NL 1011394 C2 NL1011394 C2 NL 1011394C2 NL 1011394 A NL1011394 A NL 1011394A NL 1011394 A NL1011394 A NL 1011394A NL 1011394 C2 NL1011394 C2 NL 1011394C2
- Authority
- NL
- Netherlands
- Prior art keywords
- alkyl
- formula
- group
- substituted
- independently
- 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
- C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
- C07D401/14—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing three or more hetero rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D211/00—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
- C07D211/92—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with a hetero atom directly attached to the ring nitrogen atom
- C07D211/94—Oxygen atom, e.g. piperidine N-oxide
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D251/00—Heterocyclic compounds containing 1,3,5-triazine rings
- C07D251/02—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
- C07D251/12—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
- C07D251/26—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with only hetero atoms directly attached to ring carbon atoms
- C07D251/40—Nitrogen atoms
- C07D251/54—Three nitrogen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
- C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
- C07D401/12—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a chain containing hetero atoms as chain links
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/0066—Flame-proofing or flame-retarding additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3412—Heterocyclic compounds having nitrogen in the ring having one nitrogen atom in the ring
- C08K5/3432—Six-membered rings
- C08K5/3435—Piperidines
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
- C08K5/3477—Six-membered rings
- C08K5/3492—Triazines
- C08K5/34926—Triazines also containing heterocyclic groups other than triazine groups
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K15/00—Anti-oxidant compositions; Compositions inhibiting chemical change
- C09K15/04—Anti-oxidant compositions; Compositions inhibiting chemical change containing organic compounds
- C09K15/30—Anti-oxidant compositions; Compositions inhibiting chemical change containing organic compounds containing heterocyclic ring with at least one nitrogen atom as ring member
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Hydrogenated Pyridines (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI980366 | 1998-02-25 | ||
IT98MI000366A ITMI980366A1 (it) | 1998-02-25 | 1998-02-25 | Preparazione di eteri amminici stericamente impediti |
US10471898A | 1998-06-25 | 1998-06-25 | |
US10471898 | 1998-06-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
NL1011394A1 NL1011394A1 (nl) | 1999-08-26 |
NL1011394C2 true NL1011394C2 (nl) | 1999-10-26 |
Family
ID=26331570
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL1011394A NL1011394C2 (nl) | 1998-02-25 | 1999-02-25 | Bereiding van sterisch gehinderde amine-ethers. |
Country Status (17)
Country | Link |
---|---|
JP (2) | JP4798815B2 (es) |
KR (1) | KR100561146B1 (es) |
CN (2) | CN1202085C (es) |
AR (1) | AR015238A1 (es) |
BE (1) | BE1014990A5 (es) |
BR (1) | BR9900807B1 (es) |
CA (2) | CA2262435C (es) |
CZ (1) | CZ302752B6 (es) |
DE (2) | DE19907945B4 (es) |
ES (1) | ES2159462B1 (es) |
FR (1) | FR2777004B1 (es) |
GB (1) | GB2334717B (es) |
ID (1) | ID23225A (es) |
MY (1) | MY123467A (es) |
NL (1) | NL1011394C2 (es) |
RU (1) | RU2224758C2 (es) |
SG (1) | SG74700A1 (es) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6683142B2 (en) | 1998-03-09 | 2004-01-27 | Ciba Specialty Chemicals Corporation | 1-alkoxy-polyalkyl-piperidine derivatives and their use as polymerization regulators |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004083913A (ja) * | 2000-04-06 | 2004-03-18 | Mitsubishi Rayon Co Ltd | 難燃性ポリプロピレンフィルム |
JP3540759B2 (ja) * | 2000-04-06 | 2004-07-07 | 三菱レイヨン株式会社 | 難燃性ポリプロピレン繊維及びその製造方法 |
TW572896B (en) * | 2000-05-26 | 2004-01-21 | Ciba Sc Holding Ag | Process for the synthesis of amine ethers from secondary amino oxides |
EP1038912A3 (en) * | 2000-06-22 | 2000-12-27 | Ciba SC Holding AG | High molecular weight hindered hydrocarbyloxyamine stabilizers |
TWI273115B (en) * | 2000-12-12 | 2007-02-11 | Ciba Sc Holding Ag | Improved weatherability of flame retardant polyolefin |
TW200407307A (en) * | 2001-11-26 | 2004-05-16 | Ciba Sc Holding Ag | Process for the synthesis of amine ethers from secondary amino oxides |
EP1513893B1 (en) * | 2002-04-17 | 2009-01-07 | Ciba Holding Inc. | Flame retardant polymer compositions containing hydroxylamine esters |
JP4167522B2 (ja) * | 2002-05-31 | 2008-10-15 | サンテーラ株式会社 | オレフィン系樹脂組成物およびそれからなる積層フィルム |
ES2367796T3 (es) * | 2004-08-31 | 2011-11-08 | Basf Se | Estabilización de materiales orgánicos. |
PL1807395T3 (pl) | 2004-11-02 | 2016-06-30 | Basf Se | Sposób syntezy n-alkoksyamin |
CN101541787B (zh) * | 2006-11-23 | 2015-02-04 | 西巴控股有限公司 | N-烯丙基空间位阻的叔胺的制备方法 |
JP5595279B2 (ja) * | 2007-12-21 | 2014-09-24 | ビーエーエスエフ ソシエタス・ヨーロピア | 農業用のプラスチックフィルムもしくは包装フィルム、または、当該フィルムのためのナノ構造uv吸収剤の使用 |
CN102482454B (zh) * | 2009-08-18 | 2014-03-05 | 巴斯夫欧洲公司 | 具有稳定化聚合封装物的光伏组件 |
US8895647B2 (en) * | 2009-09-10 | 2014-11-25 | Basf Se | Sterically hindered amine stabilizer |
JP5992422B2 (ja) * | 2010-10-20 | 2016-09-14 | ビーエーエスエフ ソシエタス・ヨーロピアBasf Se | 混合官能化による立体障害アミン型光安定剤 |
EP2514800B2 (de) | 2011-04-21 | 2018-03-07 | Merck Patent GmbH | Verbindungen und flüssigkristallines Medium |
EP3526288B1 (en) | 2016-10-14 | 2021-08-04 | Basf Se | Stabilizer composition |
WO2018177846A1 (en) * | 2017-03-28 | 2018-10-04 | Basf Se | Light stabilizer mixture |
CN109503554B (zh) * | 2018-12-13 | 2020-10-30 | 天津利安隆新材料股份有限公司 | 一种聚合型受阻胺类光稳定剂ha-88的制备方法 |
CN113544126A (zh) * | 2019-03-08 | 2021-10-22 | 巴斯夫欧洲公司 | 位阻胺稳定剂混合物 |
CN112126060B (zh) * | 2019-06-25 | 2022-05-31 | 北京天罡助剂有限责任公司 | 一种聚合型高分子空间位阻胺及其制备方法 |
CN113354813B (zh) * | 2021-06-02 | 2023-07-04 | 宿迁联盛科技股份有限公司 | 一种低碱性受阻胺光稳定剂nor 371的制备方法 |
WO2023194065A1 (en) | 2022-04-04 | 2023-10-12 | Zedda Innovation Consulting | Process for the preparation of sterically hindered nitroxyl ethers |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1215462B (it) * | 1987-05-07 | 1990-02-14 | Ciba Geigy Spa | Composti piperidinici utilizzabili come stabilizzanti alla luce, al calore e all'ossidazione per polimeri sintetici. |
US4824884A (en) * | 1987-08-12 | 1989-04-25 | Pennwalt Corporation | Cyclic anhydride derivatives of hydrazide functionalized hindered amine light stabilizers |
US5124378A (en) * | 1987-09-21 | 1992-06-23 | Ciba-Geigy Corporation | Stabilization of ambient cured coatings |
US5204473A (en) * | 1987-09-21 | 1993-04-20 | Ciba-Geigy Corporation | O-substituted N-hydroxy hindered amine stabilizers |
EP0309402B2 (en) * | 1987-09-21 | 2002-06-12 | Ciba Specialty Chemicals Holding Inc. | N-substituted hindered amine stabilizers |
US5004770A (en) * | 1988-10-19 | 1991-04-02 | Ciba-Geigy Corporation | Polymeric substrates stabilized with N-substituted hindered amines |
US4921962A (en) * | 1988-10-19 | 1990-05-01 | Ciba-Geigy Corporation | Process for preparing N-hydrocarbyloxy derivatives of sterically hindered amines |
US5096950A (en) * | 1988-10-19 | 1992-03-17 | Ciba-Geigy Corporation | Polyolefin compositions stabilized with NOR-substituted hindered amines |
US4978699A (en) * | 1988-10-24 | 1990-12-18 | Atochem North America, Inc. | Light stabilizing flame retardants |
BR8907375A (pt) * | 1989-02-13 | 1991-04-30 | Atochem North America | Composto,processo para a preparacao do mesmo,e processos para a estabilizacao de uma composicao de polimero natural ou sintetico e de polipropileno |
DE69012615T2 (de) * | 1989-03-21 | 1995-01-26 | Ciba Geigy Ag | Äthylenisch ungesättigte Verbindungen, die 1-Hydrocarbyloxy-2,2,6,6-tetramethylpiperidine-Teile enthalten, und Polymere, Copolymere und stabilisierte Zusammensetzungen. |
DE69026747T2 (de) * | 1989-03-21 | 1996-11-14 | Ciba Geigy Ag | Nichtwandernde 1-Hydrocarbyloxy-gehinderte Amineverbindungen als Polymerstabilisatoren |
EP0389428A3 (en) * | 1989-03-21 | 1991-10-09 | Ciba-Geigy Ag | N,n-bis(l-hydroxycarbyloxy-2,2,6,6-tetramethyl-piperidin-4-yl) amino triazines and stabilized compositions |
DE69012617T2 (de) * | 1989-03-21 | 1995-01-26 | Ciba Geigy Ag | Azoverbindungen mit einer sterisch gehinderten Aminogruppe geringer Basizität. |
IT1246170B (it) * | 1990-07-24 | 1994-11-16 | Ciba Geigy Spa | Composizione stabilizzante per polipropilene comprendente composti triazinici contenenti gruppi piperidinici e composti metallici |
US5216156A (en) * | 1992-05-05 | 1993-06-01 | Ciba-Geigy Corporation | Non-migrating 1-hydrocarbyloxy-2,2,6,6-tetramethylpiperidine 1,3,5-triazine derivatives |
IT1263993B (it) * | 1993-04-05 | 1996-09-06 | Ciba Geigy Spa | Composti piperidin-triazinici atti all'impiego come stabilizzanti per materiali organici |
TW270131B (es) * | 1993-07-13 | 1996-02-11 | Ciba Geigy | |
IT1264946B1 (it) * | 1993-07-16 | 1996-10-17 | Ciba Geigy Spa | Derivati del 2,2,6,6-tetrametil-4-piperidinolo utili come stabilizzanti alla luce ed all'ossidazione per materiali organici. |
US5393812A (en) * | 1993-08-31 | 1995-02-28 | Hercules Incorporated | Flame retardant, light stable composition |
US5380828A (en) * | 1993-10-05 | 1995-01-10 | Ciba-Geigy Corporation | Azodicarboxylic acid derivatives containing hindered amine moieties as polymer stabilizers |
AU7216796A (en) * | 1995-10-12 | 1997-04-30 | Ciba-Geigy Ag | Thermally stable hindered amines as stabilizers |
US6046304A (en) * | 1995-12-04 | 2000-04-04 | Ciba Specialty Chemicals Corporation | Block oligomers containing 2,2,6,6-tetramethyl-4-piperidyl groups as stabilizers for organic materials |
EP0782994B1 (en) * | 1995-12-04 | 2003-02-05 | Ciba SC Holding AG | Block oligomers containing 2,2,6,6-tetramethyl-4-piperidyl groups as stabilizers for organic materials |
EP0792911A3 (en) * | 1996-02-27 | 1998-01-14 | Fmc Corporation | Flame resistant polyolefin compositions |
JPH09292682A (ja) * | 1996-04-23 | 1997-11-11 | Fuji Photo Film Co Ltd | ハロゲン化銀カラー写真感光材料 |
ATE327216T1 (de) * | 1997-02-03 | 2006-06-15 | Fuji Photo Film Co Ltd | Silberhalogenid enthaltendes farbphotographisches material, phenidonverbindungen zu seiner herstellung und verfahren zur herstellung dieser phenidonverbindungen |
ITMI980366A1 (it) * | 1998-02-25 | 1999-08-25 | Ciba Spec Chem Spa | Preparazione di eteri amminici stericamente impediti |
-
1999
- 1999-02-06 SG SG1999000492A patent/SG74700A1/en unknown
- 1999-02-08 MY MYPI99000420A patent/MY123467A/en unknown
- 1999-02-17 GB GB9903463A patent/GB2334717B/en not_active Expired - Lifetime
- 1999-02-22 CZ CZ20080401A patent/CZ302752B6/cs not_active IP Right Cessation
- 1999-02-23 CA CA002262435A patent/CA2262435C/en not_active Expired - Lifetime
- 1999-02-23 AR ARP990100722A patent/AR015238A1/es active IP Right Grant
- 1999-02-23 FR FR9902218A patent/FR2777004B1/fr not_active Expired - Lifetime
- 1999-02-23 CA CA2643170A patent/CA2643170C/en not_active Expired - Lifetime
- 1999-02-24 DE DE19907945A patent/DE19907945B4/de not_active Expired - Lifetime
- 1999-02-24 RU RU99103614/04A patent/RU2224758C2/ru active
- 1999-02-24 CN CNB991033833A patent/CN1202085C/zh not_active Expired - Lifetime
- 1999-02-24 DE DE19964603A patent/DE19964603B4/de not_active Expired - Lifetime
- 1999-02-24 CN CNB2004100473618A patent/CN100384826C/zh not_active Expired - Lifetime
- 1999-02-24 ES ES009900376A patent/ES2159462B1/es not_active Expired - Lifetime
- 1999-02-24 ID IDP990142D patent/ID23225A/id unknown
- 1999-02-24 KR KR1019990006156A patent/KR100561146B1/ko not_active IP Right Cessation
- 1999-02-25 NL NL1011394A patent/NL1011394C2/nl not_active IP Right Cessation
- 1999-02-25 JP JP04790499A patent/JP4798815B2/ja not_active Expired - Lifetime
- 1999-02-25 BE BE9900127A patent/BE1014990A5/fr not_active IP Right Cessation
- 1999-02-25 BR BRPI9900807-6B1A patent/BR9900807B1/pt active IP Right Grant
-
2010
- 2010-08-17 JP JP2010182352A patent/JP2011006443A/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6683142B2 (en) | 1998-03-09 | 2004-01-27 | Ciba Specialty Chemicals Corporation | 1-alkoxy-polyalkyl-piperidine derivatives and their use as polymerization regulators |
US6927295B2 (en) | 1998-03-09 | 2005-08-09 | Ciba Specialty Chemicals Corp. | 1-alkoxy-polyalkyl-piperidine derivatives and their use as polymerization regulators |
Also Published As
Publication number | Publication date |
---|---|
JPH11315067A (ja) | 1999-11-16 |
CZ302752B6 (cs) | 2011-10-19 |
FR2777004B1 (fr) | 2005-12-30 |
ES2159462A1 (es) | 2001-10-01 |
NL1011394A1 (nl) | 1999-08-26 |
RU2224758C2 (ru) | 2004-02-27 |
GB2334717B (en) | 2000-04-26 |
CN1235159A (zh) | 1999-11-17 |
CN1552758A (zh) | 2004-12-08 |
CA2262435C (en) | 2009-12-22 |
KR19990072904A (ko) | 1999-09-27 |
JP2011006443A (ja) | 2011-01-13 |
CA2643170A1 (en) | 1999-08-25 |
CA2262435A1 (en) | 1999-08-25 |
ID23225A (id) | 2000-03-30 |
BR9900807A (pt) | 2000-03-28 |
BE1014990A5 (fr) | 2004-08-03 |
AR015238A1 (es) | 2001-04-18 |
BR9900807B1 (pt) | 2013-06-11 |
DE19907945B4 (de) | 2013-06-06 |
ES2159462B1 (es) | 2002-05-01 |
MY123467A (en) | 2006-05-31 |
CN100384826C (zh) | 2008-04-30 |
GB9903463D0 (en) | 1999-04-07 |
KR100561146B1 (ko) | 2006-03-15 |
SG74700A1 (en) | 2000-08-22 |
CA2643170C (en) | 2013-04-16 |
DE19907945A1 (de) | 1999-08-26 |
JP4798815B2 (ja) | 2011-10-19 |
GB2334717A (en) | 1999-09-01 |
FR2777004A1 (fr) | 1999-10-08 |
DE19964603B4 (de) | 2013-02-28 |
CN1202085C (zh) | 2005-05-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PD2B | A search report has been drawn up | ||
MK | Patent expired because of reaching the maximum lifetime of a patent |
Effective date: 20190224 |