IT1296065B1 - New 2-(2'-hydroxyphenyl)benzotriazole(s) derivatives used as light stabilisers - prepared by reacting 2-(2'-hydroxyphenyl)benzotriazole with e.g. 2,4-imidazolidine:di:one-1,3-di:methylol in presence of concentrated sulphuric - Google Patents

New 2-(2'-hydroxyphenyl)benzotriazole(s) derivatives used as light stabilisers - prepared by reacting 2-(2'-hydroxyphenyl)benzotriazole with e.g. 2,4-imidazolidine:di:one-1,3-di:methylol in presence of concentrated sulphuric

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Publication number
IT1296065B1
IT1296065B1 ITMI972476A IT1296065B1 IT 1296065 B1 IT1296065 B1 IT 1296065B1 IT MI972476 A ITMI972476 A IT MI972476A IT 1296065 B1 IT1296065 B1 IT 1296065B1
Authority
IT
Italy
Prior art keywords
group
opt
substd
hydroxyphenyl
linear
Prior art date
Application number
Other languages
Italian (it)
Inventor
Rosa Maria Riva
Carlo Neri
Rosalba Colombo
Original Assignee
Great Lakes Chemical Italia
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 Great Lakes Chemical Italia filed Critical Great Lakes Chemical Italia
Priority to IT002476 priority Critical patent/IT1296065B1/en
Priority to AT98200891T priority patent/ATE230742T1/en
Priority to DE69810527T priority patent/DE69810527T2/en
Priority to EP98200891A priority patent/EP0867435B1/en
Priority to CA002230374A priority patent/CA2230374A1/en
Priority to JP10027898A priority patent/JP3265393B2/en
Priority to US09/048,850 priority patent/US6121456A/en
Publication of ITMI972476A1 publication Critical patent/ITMI972476A1/en
Application granted granted Critical
Publication of IT1296065B1 publication Critical patent/IT1296065B1/en
Priority to US09/588,227 priority patent/US6268505B1/en

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  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
  • Plural Heterocyclic Compounds (AREA)

Abstract

2-(2'-hydroxyphenyl)benzotriazoles have the general formula (I). In (I), X = H, halogen selected from chlorine or bromine, 1-18C linear or branched alkyl group, alkoxyl group, cyano group; R = H, 1-18C linear or branched 1-18C alkyl group, 2-18C alkenyl group, alkinyl group, 5-18C cycloalkyl (opt. substd.), 7-15C alkylaryl group, 6-14C aryl group (opt. substd.), 1-18C alkoxyl group, heterocyclic group with 5 or 6 atoms containing at least one heteroatom selected from oxygen, nitrogen, and sulphur (opt. subst.), a group of formula -C(O)H (II), -COR4 group, -NR6R6 group, ester group of formula -C(O)OR' (III), -CH2CH2C(O)OR' (IV), -CH2CH2COC(O)OR' (V), amide group of formula -CH2CH2C(O)NHR' (VI), 4,4'-ethylidenebisphenol group of formula (VII); R4, R5, R6, R' = 1-18C linear or branched alkyl group, 2-18C linear or branched alkenyl group, alkinyl group, 5-18C cycloalkyl group (opt. substd.), 7-15C arylalkyl or alkylaryl group, 6-14C aryl group (opt. substd.), heterocyclic group with 5 or 6 atoms containing at least one heteroatom selected from oxygen, nitrogen and sulphur (opt. substd.); R1 = 1-18C linear or branched alkyl group, 2-18C linear or branched alkenyl group, alkinyl group, 5-18C cycloalkyl group (opt. substd.), 7-15C arylalkyl or alkylaryl group, 6-14C aryl group (opt. substd.), heterocyclic group with 5 or 6 atoms containing at least one heteroatom selected from oxygen, nitrogen and sulphur (opt. subst.), acyl group of formula R'C(O)- (VIII), ester group of formula R'OC(O)- (IX); R2, R3 = 1-18C linear or branched alkyl group, phenyl group, heterocyclic group with 5 or 6 atoms containing at least one heteroatom selected from oxygen, nitrogen and sulphur (opt. subst.). Also claimed are a process for the preparation of 2-(2'-hydroxyphenyl)benzotriazoles, a polymeric composition and a use of the polymeric composition.
IT002476 1997-03-27 1997-11-06 New 2-(2'-hydroxyphenyl)benzotriazole(s) derivatives used as light stabilisers - prepared by reacting 2-(2'-hydroxyphenyl)benzotriazole with e.g. 2,4-imidazolidine:di:one-1,3-di:methylol in presence of concentrated sulphuric IT1296065B1 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
IT002476 IT1296065B1 (en) 1997-11-06 1997-11-06 New 2-(2'-hydroxyphenyl)benzotriazole(s) derivatives used as light stabilisers - prepared by reacting 2-(2'-hydroxyphenyl)benzotriazole with e.g. 2,4-imidazolidine:di:one-1,3-di:methylol in presence of concentrated sulphuric
AT98200891T ATE230742T1 (en) 1997-03-27 1998-03-24 2-(2'-HYDROXPHENYL)-BENZOTRIAZOLES AND THEIR USE AS LIGHT PROTECTIVE AGENTS FOR ORGANIC POLYMERS
DE69810527T DE69810527T2 (en) 1997-03-27 1998-03-24 2- (2'-hydroxphenyl) benzotriazoles and their use as light stabilizers for organic polymers
EP98200891A EP0867435B1 (en) 1997-03-27 1998-03-24 2-(2'Hydroxyphenyl) benzotriazoles and their use as light stabilizers for organic polymers
CA002230374A CA2230374A1 (en) 1997-03-27 1998-03-25 2-(2'hydroxyphenyl)benzotriazoles and process for their preparation
JP10027898A JP3265393B2 (en) 1997-03-27 1998-03-27 2- (2'-Hydroxyphenyl) benzotriazole and process for producing the same
US09/048,850 US6121456A (en) 1997-03-27 1998-03-27 2-(2'Hydroxyphenyl) benzotriazoles and process for their preparation
US09/588,227 US6268505B1 (en) 1997-03-27 2000-06-06 2-(2′Hydroxyphenyl) benzotriazoles and process for their preparation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT002476 IT1296065B1 (en) 1997-11-06 1997-11-06 New 2-(2'-hydroxyphenyl)benzotriazole(s) derivatives used as light stabilisers - prepared by reacting 2-(2'-hydroxyphenyl)benzotriazole with e.g. 2,4-imidazolidine:di:one-1,3-di:methylol in presence of concentrated sulphuric

Publications (2)

Publication Number Publication Date
ITMI972476A1 ITMI972476A1 (en) 1999-05-06
IT1296065B1 true IT1296065B1 (en) 1999-06-09

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IT002476 IT1296065B1 (en) 1997-03-27 1997-11-06 New 2-(2'-hydroxyphenyl)benzotriazole(s) derivatives used as light stabilisers - prepared by reacting 2-(2'-hydroxyphenyl)benzotriazole with e.g. 2,4-imidazolidine:di:one-1,3-di:methylol in presence of concentrated sulphuric

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ITMI972476A1 (en) 1999-05-06

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