BR0214673A - Processo livre de solvente orgânico para a preparação de fenóis de 2-(2-nitrofenilazo) - Google Patents

Processo livre de solvente orgânico para a preparação de fenóis de 2-(2-nitrofenilazo)

Info

Publication number
BR0214673A
BR0214673A BR0214673-8A BR0214673A BR0214673A BR 0214673 A BR0214673 A BR 0214673A BR 0214673 A BR0214673 A BR 0214673A BR 0214673 A BR0214673 A BR 0214673A
Authority
BR
Brazil
Prior art keywords
nitrophenylazo
organic solvent
preparation
phenols
solvent free
Prior art date
Application number
BR0214673-8A
Other languages
English (en)
Inventor
Stephen Daniel Pastor
Joseph Suhadolnik
Deborah Judd
Mervin Gale Wood
Original Assignee
Ciba Specialty Chemicals Hodin
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 Specialty Chemicals Hodin filed Critical Ciba Specialty Chemicals Hodin
Publication of BR0214673A publication Critical patent/BR0214673A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C245/00—Compounds containing chains of at least two nitrogen atoms with at least one nitrogen-to-nitrogen multiple bond
    • C07C245/02—Azo compounds, i.e. compounds having the free valencies of —N=N— groups attached to different atoms, e.g. diazohydroxides
    • C07C245/06—Azo compounds, i.e. compounds having the free valencies of —N=N— groups attached to different atoms, e.g. diazohydroxides with nitrogen atoms of azo groups bound to carbon atoms of six-membered aromatic rings
    • C07C245/08—Azo compounds, i.e. compounds having the free valencies of —N=N— groups attached to different atoms, e.g. diazohydroxides with nitrogen atoms of azo groups bound to carbon atoms of six-membered aromatic rings with the two nitrogen atoms of azo groups bound to carbon atoms of six-membered aromatic rings, e.g. azobenzene
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B29/00—Monoazo dyes prepared by diazotising and coupling
    • C09B29/10—Monoazo dyes prepared by diazotising and coupling from coupling components containing hydroxy as the only directing group
    • C09B29/12—Monoazo dyes prepared by diazotising and coupling from coupling components containing hydroxy as the only directing group of the benzene series
    • 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
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B41/00—Special methods of performing the coupling reaction
    • C09B41/006—Special methods of performing the coupling reaction characterised by process features
    • C09B41/009—Diazotising and coupling in one step

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

"PROCESSO LIVRE DE SOLVENTE ORGâNICO PARA A PREPARAçãO DE FENóIS DE 2-(2-NITROFENILAZO)". A presente invenção refere-se a um novo processo livre de solvente orgânico, de um pote para a preparação de fenóis de 2-(2-nitrofenil-azo)-substituídos. Os fenóis de 2-(2-nitrofenilazo)-substituídos são precursores para absorvedores de UV de hidroxifenilbenzotriazol.
BR0214673-8A 2001-12-05 2002-11-26 Processo livre de solvente orgânico para a preparação de fenóis de 2-(2-nitrofenilazo) BR0214673A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US33848401P 2001-12-05 2001-12-05
PCT/EP2002/013292 WO2003048257A1 (en) 2001-12-05 2002-11-26 Organic solvent-free process for the preparation of 2-(2-nitrophenylazo)phenols

Publications (1)

Publication Number Publication Date
BR0214673A true BR0214673A (pt) 2004-10-19

Family

ID=23324996

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0214673-8A BR0214673A (pt) 2001-12-05 2002-11-26 Processo livre de solvente orgânico para a preparação de fenóis de 2-(2-nitrofenilazo)

Country Status (12)

Country Link
US (1) US7074906B2 (pt)
EP (1) EP1451254A1 (pt)
JP (1) JP2005511705A (pt)
KR (1) KR20050044696A (pt)
CN (1) CN100341859C (pt)
AU (1) AU2002356731A1 (pt)
BR (1) BR0214673A (pt)
CA (1) CA2465398A1 (pt)
MX (1) MXPA04005410A (pt)
RU (1) RU2004120783A (pt)
WO (1) WO2003048257A1 (pt)
ZA (1) ZA200403389B (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ631337A (en) 2013-03-14 2017-01-27 Alkermes Pharma Ireland Ltd Prodrugs of fumarates and their use in treating various diseases
US8669281B1 (en) 2013-03-14 2014-03-11 Alkermes Pharma Ireland Limited Prodrugs of fumarates and their use in treating various diseases
CN103193724B (zh) * 2013-04-08 2016-01-13 南通大学 一种紫外线吸收剂2,2’-亚甲基二[6-(2h-苯并三唑-2-基)-4-叔丁基]苯酚的制备方法
AU2015218587B2 (en) 2014-02-24 2017-04-27 Alkermes Pharma Ireland Limited Sulfonamide and sulfinamide prodrugs of fumarates and their use in treating various diseases
CN103965125A (zh) * 2014-05-06 2014-08-06 西安近代化学研究所 一种3,3’-二硝基-5,5’-联-1,2,4-三唑的合成方法
CN112679979B (zh) * 2020-12-29 2023-09-01 浙江永合新材料科技有限公司 一种苯并三唑类紫外线吸收剂中间体偶氮染料的制备方法

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US2418416A (en) 1943-12-30 1947-04-01 Du Pont Manufacture of azo lakes
US2478767A (en) 1945-10-04 1949-08-09 Du Pont Manufacture of azo compounds
US2478768A (en) 1945-10-04 1949-08-09 Du Pont Manufacture of azo lakes
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US3793305A (en) 1970-09-14 1974-02-19 Du Pont One-step process of preparing azo dyes by simultaneous diazotization
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DE2503714C3 (de) 1975-01-30 1978-05-03 Hoechst Ag, 6000 Frankfurt Verfahren zur Herstellung von wasserlöslichen Azofarbstoffen
DE2516032C2 (de) * 1975-04-12 1984-10-04 Bayer Ag, 5090 Leverkusen Verfahren zum Diazotieren aromatischer Amine
JPS52113974A (en) 1976-03-19 1977-09-24 Kawaken Fine Chem Co Ltd Synthesis of benzotriazole derivatives
JPS52113973A (en) 1976-03-19 1977-09-24 Kawaken Fine Chem Co Ltd Synthesis of benzotriazole derivatives
JPS5398932A (en) * 1977-02-04 1978-08-29 Hitachi Chem Co Ltd Preparation of o-nitro-o'-hydroxyazobenzenes and 2-(2'-hydroxyphenyl)- 1,2,3-benzotriazoles
US4219480A (en) 1977-09-20 1980-08-26 Ciba-Geigy Corporation Process for the production of 2-aryl-2H-benzotriazoles
US4230867A (en) 1977-11-25 1980-10-28 Ciba-Geigy Corporation Process for the production of 2-aryl-2H-benzotriazoles
US4226763A (en) * 1978-06-26 1980-10-07 Ciba-Geigy Corporation 2-[2-Hydroxy-3,5-di-(.alpha.,α-dimethylbenzyl)-phenyl]-2H-benzotriazole and stabilized compositions
EP0006564B1 (de) * 1978-06-26 1981-12-30 Ciba-Geigy Ag 2-(2-Hydroxy-3.5-disubstituiertes-phenyl)-2H-benzotriazol und damit stabilisierte Mischungen
EP0034836B1 (de) 1979-05-16 1983-07-13 Ciba-Geigy Ag Verfahren zum Herstellen von Nitroazobenzolen
US4347180A (en) * 1979-05-16 1982-08-31 Ciba-Geigy Corporation High caustic coupling process for preparing substituted 2-nitro-2'-hydroxyazobenzenes
JPS56133076A (en) 1980-03-25 1981-10-17 Nissan Motor Co Ltd Painting method of intermediate coat
JPS59170172A (ja) 1983-03-18 1984-09-26 Shuichi Seino ２−フエニルベンゾトリアゾ−ル類の製造方法
CH655125A5 (de) * 1983-09-21 1986-03-27 Ciba Geigy Ag Verfahren zur herstellung von azofarbstoffpraeparaten.
EP0257151B1 (en) 1986-08-22 1992-01-29 Chemipro Kasei Kaisha, Ltd. Method for preparing 2-phenylbenzotriazoles and 2-phenylbenzotriazole-n-oxides
JPS61197571A (ja) 1985-02-27 1986-09-01 Kemipuro Kasei Kk ２−フエニルベンゾトリアゾ−ル−ｎ−オキシド類の製造法
US4789541A (en) 1985-10-04 1988-12-06 Davis Michael H Method and composition for in vivo radiolabeling of red blood cells with 99m Tc
JPH0798811B2 (ja) 1986-09-16 1995-10-25 ケミプロ化成株式会社 ２−フエニルベンゾトリアゾ−ル−ｎ−オキシド類の製造法
JPH0798812B2 (ja) 1986-09-16 1995-10-25 ケミプロ化成株式会社 ２−フエニルベンゾトリアゾ−ル類の製造法
JPH0788595B2 (ja) 1987-01-27 1995-09-27 ケミプロ化成株式会社 ２−フエニルベンゾトリアゾ−ル類の製造方法
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
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
KR100313583B1 (ko) * 1993-09-16 2002-11-23 시바 스페셜티 케미칼스 홀딩 인크. 2,4-이중치환된 페놀과 2-니트로아닐린의 아조커플링
US5571924A (en) 1995-07-12 1996-11-05 Ciba-Geigy Corporation Process for the preparation of benzotriazoles
US6166218A (en) * 1996-11-07 2000-12-26 Ciba Specialty Chemicals Corporation Benzotriazole UV absorbers having enhanced durability
US6566507B2 (en) * 2000-08-03 2003-05-20 Ciba Specialty Chemicals Corporation Processes for the preparation of benzotriazole UV absorbers

Also Published As

Publication number Publication date
CN100341859C (zh) 2007-10-10
CA2465398A1 (en) 2003-06-12
EP1451254A1 (en) 2004-09-01
RU2004120783A (ru) 2006-01-10
WO2003048257A1 (en) 2003-06-12
MXPA04005410A (es) 2004-10-11
ZA200403389B (en) 2006-06-28
JP2005511705A (ja) 2005-04-28
US7074906B2 (en) 2006-07-11
CN1599777A (zh) 2005-03-23
KR20050044696A (ko) 2005-05-12
US20050053562A1 (en) 2005-03-10
AU2002356731A1 (en) 2003-06-17

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Legal Events

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B08F Application fees: application dismissed [chapter 8.6 patent gazette]

Free format text: REFERENTE A 6A E 7A ANUIDADES.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2064 DE 27/07/2010.