ES2072296T3 - Metodo para preparar 2-fenilbenzotriazoles. - Google Patents

Metodo para preparar 2-fenilbenzotriazoles.

Info

Publication number
ES2072296T3
ES2072296T3 ES89302269T ES89302269T ES2072296T3 ES 2072296 T3 ES2072296 T3 ES 2072296T3 ES 89302269 T ES89302269 T ES 89302269T ES 89302269 T ES89302269 T ES 89302269T ES 2072296 T3 ES2072296 T3 ES 2072296T3
Authority
ES
Spain
Prior art keywords
alkyl
phenylbenzotriazoles
prepare
phenyl
alcoxi
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 - Lifetime
Application number
ES89302269T
Other languages
English (en)
Inventor
Naohiko Fukuoka
Kazunobu Kubota
Kunitoshi Iguchi
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 ES2072296T3 publication Critical patent/ES2072296T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Catalysts (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)

Abstract

UN METODO PARA LA PREPARACION DEL 2 - FENILBENZOTRIAZOL DESCRITO POR LA FORMULA I, DONDE R1 ES H, CL, C1-4 ALQUIL, C1-4 ALCOXI, COOH O SO3H; R2 ES H, CL, C1-4 ALQUIL O C1-4 ALCOXI; R3 ES H, CL, C1-12 ALQUIL, C1-4 ALCOXI, FENIL (C1-8 ALQUIL) FENIL, FENOXI O FENIL (C1-4 ALQUIL); R4 ES H, CL, OH O C1-4 ALCOXI; Y R5 ES H, C1-12 ALQUIL O FENIL (C1-4 ALQUIL); EL CUAL COMPRENDE LA REDUCCION CON HIDROGENO DEL 2 - FENILBENZOTRIAZOL - N - OXIDO DE LA FORMULA II.
ES89302269T 1989-01-31 1989-03-07 Metodo para preparar 2-fenilbenzotriazoles. Expired - Lifetime ES2072296T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1022224A JPH02202879A (ja) 1989-01-31 1989-01-31 2―フェニルベンゾトリアゾール類の製造法

Publications (1)

Publication Number Publication Date
ES2072296T3 true ES2072296T3 (es) 1995-07-16

Family

ID=12076831

Family Applications (1)

Application Number Title Priority Date Filing Date
ES89302269T Expired - Lifetime ES2072296T3 (es) 1989-01-31 1989-03-07 Metodo para preparar 2-fenilbenzotriazoles.

Country Status (5)

Country Link
US (1) US5104992A (es)
EP (1) EP0380840B1 (es)
JP (1) JPH02202879A (es)
DE (1) DE68922714T2 (es)
ES (1) ES2072296T3 (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5187289A (en) * 1989-01-31 1993-02-16 Chemipro Kasei Kaisha, Ltd. Method of preparing 2-phenyl benzotriazoles
US5292890A (en) * 1993-05-05 1994-03-08 Fairmount Chemical Company, Inc. Asymmetrical benzotriazolylphenols
US5362881A (en) * 1993-05-27 1994-11-08 Fairmount Chemical Company, Inc. Coupled benzotriazole and benzophenone UV absorbers
US5571924A (en) * 1995-07-12 1996-11-05 Ciba-Geigy Corporation Process for the preparation of benzotriazoles
US5675015A (en) * 1996-03-07 1997-10-07 Eastman Kodak Company Process for the preparation of benzotriazole derivatives
US6284895B1 (en) * 2000-12-27 2001-09-04 Council Of Scientific And Industrial Research Bromo-functionalized benzotriazole UV absorbers
MXPA04005410A (es) 2001-12-05 2004-10-11 Ciba Sc Holding Ag Proceso, exento de solvente organico, para la preparacion de los 2-(2-nitrofenilazo)-fenoles.
CN115920898B (zh) * 2022-12-30 2025-08-15 浙江工业大学 一种非贵金属催化剂的制备及其在偶氮化合物加氢合成苯并三氮唑类化合物中的应用

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3978074A (en) * 1973-11-21 1976-08-31 Uniroyal Inc. Method of making hydroxyarylbenzotriazoles and their N-oxides
US4086242A (en) * 1974-07-22 1978-04-25 American Cyanamid Company 1H- and 2H-Benzotriazoles
CH615165A5 (en) * 1975-05-14 1980-01-15 Ciba Geigy Ag Process for the preparation of 2-aryl-2H-benzotriazoles
CA1073463A (en) * 1975-05-14 1980-03-11 Siegfried Kintopf Process for the production of 2-aryl-2h-benzotriazoles
DE2620896A1 (de) * 1975-05-14 1976-12-02 Ciba Geigy Ag Verfahren zur herstellung von 2-aryl-2h-benzotriazolen
CH615166A5 (en) * 1975-05-14 1980-01-15 Ciba Geigy Ag Process for the preparation of 2-aryl-2H-benzotriazoles
US4224451A (en) * 1978-12-20 1980-09-23 American Cyanamid Company Process for the preparation of 2-aryl-2H-benzotriazoles
JPS60222469A (ja) * 1984-04-16 1985-11-07 Sumitomo Chem Co Ltd 2−フエニルベンゾトリアゾ−ル類の製造方法
EP0263905B1 (en) * 1986-09-16 1992-04-15 Chemipro Kasei Kaisha, Ltd. Method for preparing 2-phenylbenzotriazoles and 2-phenylbenzotriazole-n-oxides
KR880012569A (ko) * 1987-04-22 1988-11-28 이정오 벤조트리아졸 유도체의 제조방법
DE58907083D1 (de) * 1988-09-28 1994-04-07 Ciba Geigy Verfahren zur Herstellung von Benztriazolderivaten.

Also Published As

Publication number Publication date
JPH02202879A (ja) 1990-08-10
DE68922714D1 (de) 1995-06-22
DE68922714T2 (de) 1995-09-14
EP0380840A1 (en) 1990-08-08
EP0380840B1 (en) 1995-05-17
US5104992A (en) 1992-04-14

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