DE3683772D1 - Methode zur herstellung von 2-phenylbenzotriazolen und von 2-phenylbenzotriazol-n-oxiden. - Google Patents

Methode zur herstellung von 2-phenylbenzotriazolen und von 2-phenylbenzotriazol-n-oxiden.

Info

Publication number
DE3683772D1
DE3683772D1 DE8686306514T DE3683772T DE3683772D1 DE 3683772 D1 DE3683772 D1 DE 3683772D1 DE 8686306514 T DE8686306514 T DE 8686306514T DE 3683772 T DE3683772 T DE 3683772T DE 3683772 D1 DE3683772 D1 DE 3683772D1
Authority
DE
Germany
Prior art keywords
alkyl
mol
iii
alkoxy
prefd
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE8686306514T
Other languages
English (en)
Inventor
Shuichi Seino
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chemipro Kasei Kaisha Ltd
Original Assignee
Chemipro Kasei Kaisha Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chemipro Kasei Kaisha Ltd filed Critical Chemipro Kasei Kaisha Ltd
Application granted granted Critical
Publication of DE3683772D1 publication Critical patent/DE3683772D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D249/00—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms
    • C07D249/16—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms condensed with carbocyclic rings or ring systems
    • C07D249/18—Benzotriazoles
    • C07D249/20—Benzotriazoles with aryl radicals directly attached in position 2

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)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
DE8686306514T 1986-08-22 1986-08-22 Methode zur herstellung von 2-phenylbenzotriazolen und von 2-phenylbenzotriazol-n-oxiden. Expired - Fee Related DE3683772D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP86306514A EP0257151B1 (de) 1986-08-22 1986-08-22 Methode zur Herstellung von 2-Phenylbenzotriazolen und von 2-Phenylbenzotriazol-N-oxiden

Publications (1)

Publication Number Publication Date
DE3683772D1 true DE3683772D1 (de) 1992-03-12

Family

ID=8196112

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686306514T Expired - Fee Related DE3683772D1 (de) 1986-08-22 1986-08-22 Methode zur herstellung von 2-phenylbenzotriazolen und von 2-phenylbenzotriazol-n-oxiden.

Country Status (3)

Country Link
US (2) US4780541A (de)
EP (1) EP0257151B1 (de)
DE (1) DE3683772D1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0263905B1 (de) * 1986-09-16 1992-04-15 Chemipro Kasei Kaisha, Ltd. Verfahren zur Herstellung von 2-Phenylbenzotriazolen und 2-Phenylbenzotriazol-N-oxyden
EP0415880B1 (de) * 1989-08-25 1995-04-05 Ciba-Geigy Ag Lichtstabilisierte Tinten
EP0625971A4 (en) * 1992-02-03 1995-01-04 Hoechst Celanese Corporation Uv light stabilizing, antioxidant and colorant compounds.
US5262541A (en) * 1992-12-15 1993-11-16 Fairmont Chemical Company, Inc. Fluorenol catalyzed reduction of o-nitroazobenzenes and 2-aryl-2H-benzotriazole-N-oxides
US5756781A (en) * 1995-09-29 1998-05-26 General Electric Company Method for making tris(hydroxyphenyl) compounds using ion exchange
US5739348A (en) * 1996-10-23 1998-04-14 Eastman Kodak Company Method of synthesizing tert-amido-substituted 2-(2'-hydroxyphenyl) benzotriazole compounds in a one-step process
US5683861A (en) * 1996-10-23 1997-11-04 Eastman Kodak Company Benzotriazole-based UV absorbers and photographic elements containing them
US6284895B1 (en) * 2000-12-27 2001-09-04 Council Of Scientific And Industrial Research Bromo-functionalized benzotriazole UV absorbers
RU2004120783A (ru) 2001-12-05 2006-01-10 Циба Спешиалти Кемикэлз Холдинг Инк. (Ch) Способ получения 2-(2-нитрофенилазо)фенолов без использования органических растворителей
CN102796053A (zh) * 2012-07-20 2012-11-28 启东金美化学有限公司 一种苯并三唑类光稳定剂的制备方法
CN105884703A (zh) * 2016-05-31 2016-08-24 启东金美化学有限公司 一种紫外线吸收剂uv-ps的制备方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57167976A (en) * 1981-04-09 1982-10-16 Shipuro Kasei Kk 2-phenylbenzotriazole-n-oxides and their preparations
JPS59170172A (ja) * 1983-03-18 1984-09-26 Shuichi Seino ２−フエニルベンゾトリアゾ−ル類の製造方法
JPS59172481A (ja) * 1983-03-18 1984-09-29 Shuichi Seino ２−フエニルベンゾトリアゾ−ル−ｎ−オキシド類の製造方法
DE3476752D1 (en) * 1983-06-01 1989-03-23 Ciba Geigy Ag Process for the preparation of 2-arylbenzotriazoles
JPS61197571A (ja) * 1985-02-27 1986-09-01 Kemipuro Kasei Kk ２−フエニルベンゾトリアゾ−ル−ｎ−オキシド類の製造法

Also Published As

Publication number Publication date
EP0257151A1 (de) 1988-03-02
EP0257151B1 (de) 1992-01-29
US4835284A (en) 1989-05-30
US4780541A (en) 1988-10-25

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee