CA2057109A1 - Process for the preparation of symmetrical 2,2'-methylenebisbenzotriazolyl phenols - Google Patents

Process for the preparation of symmetrical 2,2'-methylenebisbenzotriazolyl phenols

Info

Publication number
CA2057109A1
CA2057109A1 CA 2057109 CA2057109A CA2057109A1 CA 2057109 A1 CA2057109 A1 CA 2057109A1 CA 2057109 CA2057109 CA 2057109 CA 2057109 A CA2057109 A CA 2057109A CA 2057109 A1 CA2057109 A1 CA 2057109A1
Authority
CA
Canada
Prior art keywords
methylenebisbenzotriazolyl
phenols
symmetrical
preparation
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.)
Granted
Application number
CA 2057109
Other languages
French (fr)
Other versions
CA2057109C (en
Inventor
Reto Luisoli
Werner Stegmann
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
Individual
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 Individual filed Critical Individual
Publication of CA2057109A1 publication Critical patent/CA2057109A1/en
Application granted granted Critical
Publication of CA2057109C publication Critical patent/CA2057109C/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Phenolic Resins Or Amino Resins (AREA)

Abstract

Compounds of formula wherein R1 and R2 are as defined in claim 1, are prepared by reacting a compound of formula with a compound of formula
CA 2057109 1990-12-11 1991-12-09 Process for the preparation of symmetrical 2,2'-methylenebisbenzotriazolyl phenols Expired - Lifetime CA2057109C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH3903/90-9 1990-12-11
CH390390 1990-12-11

Publications (2)

Publication Number Publication Date
CA2057109A1 true CA2057109A1 (en) 1992-06-12
CA2057109C CA2057109C (en) 2002-05-21

Family

ID=4265987

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2057109 Expired - Lifetime CA2057109C (en) 1990-12-11 1991-12-09 Process for the preparation of symmetrical 2,2'-methylenebisbenzotriazolyl phenols

Country Status (4)

Country Link
EP (1) EP0490815B1 (en)
JP (1) JP3223377B2 (en)
CA (1) CA2057109C (en)
DE (1) DE59103040D1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK0735033T3 (en) * 1995-03-28 2000-10-23 Hoffmann La Roche Aminomethylation of tocopherols
JP4162274B2 (en) * 1996-07-31 2008-10-08 城北化学工業株式会社 Process for producing bis (2-hydroxyphenyl-3-benzotriazole) methanes
JP4155606B2 (en) * 1996-12-12 2008-09-24 城北化学工業株式会社 Benzotriazolyl-alkylene bisphenol compound, process for producing the same, and stabilized organic material containing the same
JP2963945B2 (en) 1997-05-08 1999-10-18 大塚化学株式会社 2,2'-bis (6-benzotriazolylphenol) compound
JP5270134B2 (en) 2007-11-12 2013-08-21 株式会社コーセー Ultraviolet absorber water dispersion composition
JP5551391B2 (en) * 2009-08-12 2014-07-16 大和化成株式会社 Method for producing methylenebisbenzotriazolyl (hydroxyalkyl) phenol compound

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61115073A (en) * 1984-11-09 1986-06-02 Adeka Argus Chem Co Ltd Production of 2, 2'-methylenebis(4-substituted-6 benzotriazolylphenzol

Also Published As

Publication number Publication date
JP3223377B2 (en) 2001-10-29
EP0490815A1 (en) 1992-06-17
JPH04290877A (en) 1992-10-15
EP0490815B1 (en) 1994-09-21
CA2057109C (en) 2002-05-21
DE59103040D1 (en) 1994-10-27

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed
MKEC Expiry (correction)

Effective date: 20121211