CH615166A5 - 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
CH615166A5
CH615166A5 CH593776A CH593776A CH615166A5 CH 615166 A5 CH615166 A5 CH 615166A5 CH 593776 A CH593776 A CH 593776A CH 593776 A CH593776 A CH 593776A CH 615166 A5 CH615166 A5 CH 615166A5
Authority
CH
Switzerland
Prior art keywords
hydrogen
tert
chlorine
hydroxy
alkyl
Prior art date
Application number
CH593776A
Other languages
German (de)
English (en)
Inventor
Charles Edgar Ziegler
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 CH615166A5 publication Critical patent/CH615166A5/de

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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

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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)
CH593776A 1975-05-14 1976-05-12 Process for the preparation of 2-aryl-2H-benzotriazoles CH615166A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US57738475A 1975-05-14 1975-05-14

Publications (1)

Publication Number Publication Date
CH615166A5 true CH615166A5 (en) 1980-01-15

Family

ID=24308475

Family Applications (1)

Application Number Title Priority Date Filing Date
CH593776A CH615166A5 (en) 1975-05-14 1976-05-12 Process for the preparation of 2-aryl-2H-benzotriazoles

Country Status (9)

Country Link
JP (1) JPS6036430B2 (nl)
BE (1) BE841769A (nl)
BR (1) BR7603024A (nl)
CH (1) CH615166A5 (nl)
DE (1) DE2620897A1 (nl)
ES (1) ES447874A1 (nl)
FR (1) FR2311011A1 (nl)
GB (1) GB1494824A (nl)
NL (1) NL7605203A (nl)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6471862A (en) * 1987-09-11 1989-03-16 Chemipro Kasei Kaisha Ltd Production of 2-phenylbenzotriazole
ES2062096T3 (es) * 1988-09-28 1994-12-16 Ciba Geigy Ag Procedimiento para la obtencion de derivados del benzotriazol.
JPH02202880A (ja) * 1989-01-31 1990-08-10 Kemipuro Kasei Kk ２―フェニルベンゾトリアゾール類の製造法
JPH02202879A (ja) * 1989-01-31 1990-08-10 Kemipuro Kasei Kk ２―フェニルベンゾトリアゾール類の製造法
EP0419412B1 (de) * 1989-09-20 1993-11-10 Ciba-Geigy Ag Verfahren zur Herstellung von Benztriazolen
CN112538055A (zh) * 2020-12-11 2021-03-23 西安凯立新材料股份有限公司 一种苯并三唑类紫外线吸收剂的制备方法

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
NL7605203A (nl) 1976-11-16
FR2311011B1 (nl) 1978-05-19
DE2620897A1 (de) 1976-11-25
JPS51138677A (en) 1976-11-30
FR2311011A1 (fr) 1976-12-10
JPS6036430B2 (ja) 1985-08-20
ES447874A1 (es) 1977-07-16
GB1494824A (en) 1977-12-14
BR7603024A (pt) 1977-05-31
BE841769A (fr) 1976-11-16

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