ES447874A1 - Un procedimiento para la produccion de 2-aril-2h-benzotria- zoles. - Google Patents

Un procedimiento para la produccion de 2-aril-2h-benzotria- zoles.

Info

Publication number
ES447874A1
ES447874A1 ES447874A ES447874A ES447874A1 ES 447874 A1 ES447874 A1 ES 447874A1 ES 447874 A ES447874 A ES 447874A ES 447874 A ES447874 A ES 447874A ES 447874 A1 ES447874 A1 ES 447874A1
Authority
ES
Spain
Prior art keywords
benzotriazoles
aryl
production
nitroazobenzene
cyclising
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
ES447874A
Other languages
English (en)
Spanish (es)
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.)
Novartis AG
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 ES447874A1 publication Critical patent/ES447874A1/es
Expired legal-status Critical Current

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)
ES447874A 1975-05-14 1976-05-13 Un procedimiento para la produccion de 2-aril-2h-benzotria- zoles. Expired ES447874A1 (es)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ES447874A1 true ES447874A1 (es) 1977-07-16

Family

ID=24308475

Family Applications (1)

Application Number Title Priority Date Filing Date
ES447874A Expired ES447874A1 (es) 1975-05-14 1976-05-13 Un procedimiento para la produccion de 2-aril-2h-benzotria- zoles.

Country Status (9)

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

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.
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
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
EP0419412B1 (fr) * 1989-09-20 1993-11-10 Ciba-Geigy Ag Procédé pour la préparation de benzotriazoles
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
JPS6036430B2 (ja) 1985-08-20
BR7603024A (pt) 1977-05-31
DE2620897A1 (de) 1976-11-25
BE841769A (fr) 1976-11-16
CH615166A5 (en) 1980-01-15
FR2311011A1 (fr) 1976-12-10
FR2311011B1 (fr) 1978-05-19
GB1494824A (en) 1977-12-14
JPS51138677A (en) 1976-11-30
NL7605203A (nl) 1976-11-16

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