BE841769A - 2-ARYL-2H-BENZOTRIAZOLES MANUFACTURING PROCESS - Google Patents

2-ARYL-2H-BENZOTRIAZOLES MANUFACTURING PROCESS

Info

Publication number
BE841769A
BE841769A BE166974A BE166974A BE841769A BE 841769 A BE841769 A BE 841769A BE 166974 A BE166974 A BE 166974A BE 166974 A BE166974 A BE 166974A BE 841769 A BE841769 A BE 841769A
Authority
BE
Belgium
Prior art keywords
benzotriazoles
aryl
manufacturing process
manufacturing
benzotriazoles manufacturing
Prior art date
Application number
BE166974A
Other languages
French (fr)
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 filed Critical
Publication of BE841769A publication Critical patent/BE841769A/en

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)
BE166974A 1975-05-14 1976-05-13 2-ARYL-2H-BENZOTRIAZOLES MANUFACTURING PROCESS BE841769A (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
BE841769A true BE841769A (en) 1976-11-16

Family

ID=24308475

Family Applications (1)

Application Number Title Priority Date Filing Date
BE166974A BE841769A (en) 1975-05-14 1976-05-13 2-ARYL-2H-BENZOTRIAZOLES MANUFACTURING PROCESS

Country Status (9)

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

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
DE58907083D1 (en) * 1988-09-28 1994-04-07 Ciba Geigy Process for the preparation of benzotriazole derivatives.
JPH02202879A (en) * 1989-01-31 1990-08-10 Kemipuro Kasei Kk Production of 2-phenylbenzotriazoles
JPH02202880A (en) * 1989-01-31 1990-08-10 Kemipuro Kasei Kk Production of 2-phenylbenzotriazoles
EP0419412B1 (en) * 1989-09-20 1993-11-10 Ciba-Geigy Ag Process for the preparation of benzotriazoles
CN112538055A (en) * 2020-12-11 2021-03-23 西安凯立新材料股份有限公司 Preparation method of benzotriazole ultraviolet absorbent

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH529815A (en) * 1970-06-19 1972-10-31 Ciba Geigy Ag Use of 2- (2'-hydroxyphenyl) -benzotriazole compounds as light stabilizers
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
ES447874A1 (en) 1977-07-16
DE2620897A1 (en) 1976-11-25
JPS6036430B2 (en) 1985-08-20
FR2311011A1 (en) 1976-12-10
NL7605203A (en) 1976-11-16
JPS51138677A (en) 1976-11-30
BR7603024A (en) 1977-05-31
GB1494824A (en) 1977-12-14
FR2311011B1 (en) 1978-05-19
CH615166A5 (en) 1980-01-15

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: CIBA-GEIGY A.G.

Effective date: 19870531