DE3731860A1 - Verfahren zur herstellung von 2-aryl-2h-benzotriazolen - Google Patents

Verfahren zur herstellung von 2-aryl-2h-benzotriazolen

Info

Publication number
DE3731860A1
DE3731860A1 DE19873731860 DE3731860A DE3731860A1 DE 3731860 A1 DE3731860 A1 DE 3731860A1 DE 19873731860 DE19873731860 DE 19873731860 DE 3731860 A DE3731860 A DE 3731860A DE 3731860 A1 DE3731860 A1 DE 3731860A1
Authority
DE
Germany
Prior art keywords
sodium
mmol
benzotriazole
reaction mixture
hydroxy
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.)
Ceased
Application number
DE19873731860
Other languages
German (de)
English (en)
Inventor
Kyung Bae Park
In Woo Lee
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.)
Korea Advanced Institute of Science and Technology KAIST
Original Assignee
Korea Advanced Institute of Science and Technology KAIST
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 Korea Advanced Institute of Science and Technology KAIST filed Critical Korea Advanced Institute of Science and Technology KAIST
Publication of DE3731860A1 publication Critical patent/DE3731860A1/de
Ceased 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)
  • Compositions Of Macromolecular Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
DE19873731860 1987-04-22 1987-09-22 Verfahren zur herstellung von 2-aryl-2h-benzotriazolen Ceased DE3731860A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR870003887A KR880012569A (ko) 1987-04-22 1987-04-22 벤조트리아졸 유도체의 제조방법

Publications (1)

Publication Number Publication Date
DE3731860A1 true DE3731860A1 (de) 1988-11-10

Family

ID=19260904

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19873731860 Ceased DE3731860A1 (de) 1987-04-22 1987-09-22 Verfahren zur herstellung von 2-aryl-2h-benzotriazolen

Country Status (3)

Country Link
JP (1) JPS63267766A (enrdf_load_stackoverflow)
KR (1) KR880012569A (enrdf_load_stackoverflow)
DE (1) DE3731860A1 (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0380840A1 (en) * 1989-01-31 1990-08-08 Chemipro Kasei Kaisha, Ltd. Method of preparing 2-phenylbenzotriazoles
WO2002012202A3 (en) * 2000-08-03 2002-04-11 Ciba Sc Holding Ag Processes for the preparation of benzotriazole uv absorbers

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
C.A. 102, 131970 p, 1985 *
HOLLEMAN-WIBERG: Lehrbuch der Anorganischen Chemie, 91.-100.Aufl., S.518, 1985 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0380840A1 (en) * 1989-01-31 1990-08-08 Chemipro Kasei Kaisha, Ltd. Method of preparing 2-phenylbenzotriazoles
WO2002012202A3 (en) * 2000-08-03 2002-04-11 Ciba Sc Holding Ag Processes for the preparation of benzotriazole uv absorbers
US6566507B2 (en) 2000-08-03 2003-05-20 Ciba Specialty Chemicals Corporation Processes for the preparation of benzotriazole UV absorbers
US6605727B2 (en) 2000-08-03 2003-08-12 Ciba Specialty Chemicals Corporation Processes for the preparation of benzotriazole UV absorbers
US6815550B2 (en) 2000-08-03 2004-11-09 Ciba Specialty Chemicals Corporation Processes for the preparation of benzotriazole UV absorbers

Also Published As

Publication number Publication date
KR880012569A (ko) 1988-11-28
JPH0478633B2 (enrdf_load_stackoverflow) 1992-12-11
JPS63267766A (ja) 1988-11-04

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8131 Rejection