CA1154777A - Methode d'obtention de 2-aryl-2h-benzotriazoles - Google Patents

Methode d'obtention de 2-aryl-2h-benzotriazoles

Info

Publication number
CA1154777A
CA1154777A CA000249843A CA249843A CA1154777A CA 1154777 A CA1154777 A CA 1154777A CA 000249843 A CA000249843 A CA 000249843A CA 249843 A CA249843 A CA 249843A CA 1154777 A CA1154777 A CA 1154777A
Authority
CA
Canada
Prior art keywords
tert
hydrogen
carbon atoms
hydroxy
formula
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
Application number
CA000249843A
Other languages
English (en)
Inventor
Charles E. Ziegler
Hans J. Peterli
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.)
BASF Schweiz AG
Original Assignee
Ciba Geigy Investments 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 Ciba Geigy Investments Ltd filed Critical Ciba Geigy Investments Ltd
Application granted granted Critical
Publication of CA1154777A publication Critical patent/CA1154777A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
CA000249843A 1975-05-14 1976-04-08 Methode d'obtention de 2-aryl-2h-benzotriazoles Expired CA1154777A (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US57738475A 1975-05-14 1975-05-14
US577,384 1975-05-14
US66333076A 1976-03-03 1976-03-03
US663,330 1976-03-03

Publications (1)

Publication Number Publication Date
CA1154777A true CA1154777A (fr) 1983-10-04

Family

ID=27077226

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000249843A Expired CA1154777A (fr) 1975-05-14 1976-04-08 Methode d'obtention de 2-aryl-2h-benzotriazoles

Country Status (2)

Country Link
CA (1) CA1154777A (fr)
IT (1) IT1071652B (fr)

Also Published As

Publication number Publication date
IT1071652B (it) 1985-04-10

Similar Documents

Publication Publication Date Title
US4230867A (en) Process for the production of 2-aryl-2H-benzotriazoles
CA1062266A (fr) Procede pour la production de 2-aryl-2h-benzotriazoles
US4347180A (en) High caustic coupling process for preparing substituted 2-nitro-2'-hydroxyazobenzenes
US6605727B2 (en) Processes for the preparation of benzotriazole UV absorbers
US4141903A (en) Process for the production of 2-aryl-2H-benzotriazoles
US4219480A (en) Process for the production of 2-aryl-2H-benzotriazoles
US4642350A (en) Novel process for preparation of benzotriazoles using aryldiols and quinones
US5571924A (en) Process for the preparation of benzotriazoles
US5675015A (en) Process for the preparation of benzotriazole derivatives
CA1154777A (fr) Methode d'obtention de 2-aryl-2h-benzotriazoles
JPS6036429B2 (ja) 2‐アリール‐2h‐ベンゾトリアゾールの製造法
US5104992A (en) Method of preparing 2-phenyl benezothriazoles
JPS6036431B2 (ja) 2‐アリール‐2h‐ベンゾトリアゾールの製造法
US5739348A (en) Method of synthesizing tert-amido-substituted 2-(2'-hydroxyphenyl) benzotriazole compounds in a one-step process
JPS6036430B2 (ja) 2‐アリール‐2h‐ベンゾトリアゾール類の製造方法
CA1073463A (fr) Procede pour la production de 2-aryl-2h-benzotriazoles
US5436322A (en) Azo coupling of 2-nitroanilines with 2,4,-disbustituted phenols
US5187289A (en) Method of preparing 2-phenyl benzotriazoles
JPS6036432B2 (ja) 2‐アリール‐2h‐ベンゾトリアゾールの製造法
US3733338A (en) 1-oxo-isochromenes
CA1154778A (fr) Methode d'obtention de 2-aryl-2h-benzotriazoles
US4980505A (en) Organic synthesis
CA1241659A (fr) Methode de preparation de 2-phenylbenzotriazole
CA1154779A (fr) Methode d'obtention de 2-aryl-2h-benzotriazoles
EP0380839A1 (fr) Procédé de préparation de phényl-2 benzotriazoles

Legal Events

Date Code Title Description
MKEX Expiry