CH615427A5 - Process for the preparation of 2-aryl-2H-benzotriazoles - Google Patents

Process for the preparation of 2-aryl-2H-benzotriazoles Download PDF

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Publication number
CH615427A5
CH615427A5 CH593876A CH593876A CH615427A5 CH 615427 A5 CH615427 A5 CH 615427A5 CH 593876 A CH593876 A CH 593876A CH 593876 A CH593876 A CH 593876A CH 615427 A5 CH615427 A5 CH 615427A5
Authority
CH
Switzerland
Prior art keywords
hydrogen
tert
alkyl
hydroxy
chlorine
Prior art date
Application number
CH593876A
Other languages
German (de)
English (en)
Inventor
Siegfried Dr Kintopf
Ulrich Dr Kress
Original Assignee
Ciba Geigy Ag
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 Ciba Geigy Ag filed Critical Ciba Geigy Ag
Publication of CH615427A5 publication Critical patent/CH615427A5/de

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Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D249/00Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms
    • C07D249/16Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms condensed with carbocyclic rings or ring systems
    • C07D249/18Benzotriazoles
    • C07D249/20Benzotriazoles with aryl radicals directly attached in position 2

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
CH593876A 1975-05-14 1976-05-12 Process for the preparation of 2-aryl-2H-benzotriazoles CH615427A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US57738575A 1975-05-14 1975-05-14

Publications (1)

Publication Number Publication Date
CH615427A5 true CH615427A5 (en) 1980-01-31

Family

ID=24308480

Family Applications (1)

Application Number Title Priority Date Filing Date
CH593876A CH615427A5 (en) 1975-05-14 1976-05-12 Process for the preparation of 2-aryl-2H-benzotriazoles

Country Status (8)

Country Link
JP (1) JPS6036431B2 (enExample)
BE (1) BE841770A (enExample)
BR (1) BR7603021A (enExample)
CH (1) CH615427A5 (enExample)
DE (1) DE2620970A1 (enExample)
FR (1) FR2311012A1 (enExample)
GB (1) GB1494823A (enExample)
NL (1) NL7605207A (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4668235A (en) * 1982-12-07 1987-05-26 The Commonwealth Of Australia Commonwealth Scientific & Industrial Research Organization Use of substituted 2-(2-hydroxyaryl)-2H-benzotriazolesulfonates as photostabilizing agents for natural synthetic fibres
JPS6471862A (en) * 1987-09-11 1989-03-16 Chemipro Kasei Kaisha Ltd Production of 2-phenylbenzotriazole
DE58907083D1 (de) * 1988-09-28 1994-04-07 Ciba Geigy Verfahren zur Herstellung von Benztriazolderivaten.
DE59003447D1 (de) * 1989-09-20 1993-12-16 Ciba Geigy Verfahren zur Herstellung von Benztriazolen.
EP0423070B1 (de) * 1989-10-12 1995-08-30 Ciba-Geigy Ag Verfahren zur Herstellung substituierter Phenole
US5675015A (en) * 1996-03-07 1997-10-07 Eastman Kodak Company Process for the preparation of benzotriazole derivatives
WO2004099285A2 (en) * 2003-05-05 2004-11-18 Ciba Specialty Chemicals Holding Inc. Novel polymers comprising benzotriazole for use in optical devices
CN110396070A (zh) * 2019-09-11 2019-11-01 广东工业大学 一种苯并三氮唑类紫外吸收剂的制备方法
CN111282592B (zh) * 2019-11-29 2023-07-21 浙江工业大学 炭载碱性离子液体-金属催化剂及其制备和在催化转移加氢反应中的应用

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH529815A (de) * 1970-06-19 1972-10-31 Ciba Geigy Ag Verwendung von 2-(2'Hydroxyphenyl)-benztriazolverbindungen als Lichtschutzmittel
US3978074A (en) * 1973-11-21 1976-08-31 Uniroyal Inc. Method of making hydroxyarylbenzotriazoles and their N-oxides

Also Published As

Publication number Publication date
DE2620970C2 (enExample) 1989-06-29
FR2311012A1 (fr) 1976-12-10
DE2620970A1 (de) 1976-11-25
JPS6036431B2 (ja) 1985-08-20
BR7603021A (pt) 1977-05-31
GB1494823A (en) 1977-12-14
NL7605207A (nl) 1976-11-16
JPS51138678A (en) 1976-11-30
BE841770A (fr) 1976-11-16
FR2311012B1 (enExample) 1978-05-19

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Legal Events

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