ES2102847T3 - Procedimiento para la preparacion de bis(2-benzoxazolil)estilbenos. - Google Patents

Procedimiento para la preparacion de bis(2-benzoxazolil)estilbenos.

Info

Publication number
ES2102847T3
ES2102847T3 ES94910157T ES94910157T ES2102847T3 ES 2102847 T3 ES2102847 T3 ES 2102847T3 ES 94910157 T ES94910157 T ES 94910157T ES 94910157 T ES94910157 T ES 94910157T ES 2102847 T3 ES2102847 T3 ES 2102847T3
Authority
ES
Spain
Prior art keywords
stylbene
bis
preparation
benzoxazolyl
procedure
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 - Lifetime
Application number
ES94910157T
Other languages
English (en)
Inventor
Richard Hsu-Shien Wang
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.)
Eastman Chemical Co
Original Assignee
Eastman Chemical Co
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 Eastman Chemical Co filed Critical Eastman Chemical Co
Application granted granted Critical
Publication of ES2102847T3 publication Critical patent/ES2102847T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D263/00—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings
    • C07D263/52—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings condensed with carbocyclic rings or ring systems
    • C07D263/62—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings condensed with carbocyclic rings or ring systems having two or more ring systems containing condensed 1,3-oxazole rings
    • C07D263/64—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings condensed with carbocyclic rings or ring systems having two or more ring systems containing condensed 1,3-oxazole rings linked in positions 2 and 2' by chains containing six-membered aromatic rings or ring systems containing such rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D263/00—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings
    • C07D263/52—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings condensed with carbocyclic rings or ring systems
    • C07D263/54—Benzoxazoles; Hydrogenated benzoxazoles
    • C07D263/56—Benzoxazoles; Hydrogenated benzoxazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached in position 2
    • C07D263/57—Aryl or substituted aryl radicals

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)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

SE PRESENTA UN PROCESO MEJORADO PARA LA PREPARACION DE COMPUESTOS DE 4,4''-BIS(2-BENZOXAZOLIL)ESTILBENO MEDIANTE LA REACCION DE UN ACIDO 4,4''-ESTILBENDICARBOXILICO CON COMPUESTOS DE 2-AMINOFENOL EN PRESENCIA DE UN CATALIZADOR DE ESTAÑO O DE TITANIO Y DE CIERTOS SOLVENTES.
ES94910157T 1993-02-22 1994-02-14 Procedimiento para la preparacion de bis(2-benzoxazolil)estilbenos. Expired - Lifetime ES2102847T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/020,914 US5332828A (en) 1993-02-22 1993-02-22 Process for the preparation of bis (2-benzoxazolyl) stilbenes

Publications (1)

Publication Number Publication Date
ES2102847T3 true ES2102847T3 (es) 1997-08-01

Family

ID=21801261

Family Applications (1)

Application Number Title Priority Date Filing Date
ES94910157T Expired - Lifetime ES2102847T3 (es) 1993-02-22 1994-02-14 Procedimiento para la preparacion de bis(2-benzoxazolil)estilbenos.

Country Status (11)

Country Link
US (1) US5332828A (es)
EP (1) EP0684946B1 (es)
JP (1) JPH08507074A (es)
KR (1) KR960701027A (es)
AT (1) ATE152105T1 (es)
CA (1) CA2153796A1 (es)
DE (1) DE69402832T2 (es)
DK (1) DK0684946T3 (es)
ES (1) ES2102847T3 (es)
GR (1) GR3023557T3 (es)
WO (1) WO1994019333A1 (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6565987B2 (en) 1999-11-12 2003-05-20 Eastman Chemical Company Non-exuding optically brightened polyolefin blends
US6177574B1 (en) * 2000-03-02 2001-01-23 Eastman Chemical Company Preparation of mixtures of benzoxazolyl-stilbene compounds
US20030191320A1 (en) * 2000-10-18 2003-10-09 Eliu Victor Paul Process for the preparation of bis-benzazolyl compounds
CN102070551B (zh) * 2010-12-29 2012-06-20 河北星宇化工有限公司 2,2’-(4,4’-二苯乙烯基)双苯并噁唑的制备方法
WO2023128885A1 (en) * 2021-12-28 2023-07-06 Akdeniz Chemson Kimya Sanayi Ve Ticaret Anonim Sirketi A synthesis method of benzoxazole based optical brighteners

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3412089A (en) * 1963-09-18 1968-11-19 Sumitomo Chemical Co Manufacture of 4, 4'-dibenzoxazol-2-yl stilbene
US3366575A (en) * 1964-03-13 1968-01-30 Nippon Kayaku Kk Enhancement of optical brightening effects by using two or more species of brightening agent
FR1411999A (fr) * 1964-09-18 1965-09-24 Sumitomo Chemical Co Procédé de fabrication d'agents de blanchiment optiques
US3586673A (en) * 1968-02-05 1971-06-22 Eastman Kodak Co Preparation of symmetrically and unsymmetrically substituted stilbenebisbenzoxazoles
US3585208A (en) * 1968-08-01 1971-06-15 Eastman Kodak Co Manufacture of benzoxazoles
US3768042A (en) * 1972-06-07 1973-10-23 Motorola Inc Dielectric cavity stripline coupler
DE2526230A1 (de) * 1975-06-12 1976-12-16 Hoechst Ag Neue benzoxazol-derivate, verfahren zu ihrer herstellung und ihre anwendung als optische aufheller
US4291964A (en) * 1980-01-28 1981-09-29 Polaroid Corporation Strobe switch with camera control feature
US4282355A (en) * 1980-02-14 1981-08-04 Hoechst Aktiengesellschaft Process for the manufacture of bis-benzoxazolyl-stilbene compounds
US4921964A (en) * 1989-03-01 1990-05-01 Eastman Kodak Company Process for the preparation of stilbene derivatives

Also Published As

Publication number Publication date
DE69402832D1 (de) 1997-05-28
WO1994019333A1 (en) 1994-09-01
CA2153796A1 (en) 1994-09-01
GR3023557T3 (en) 1997-08-29
ATE152105T1 (de) 1997-05-15
US5332828A (en) 1994-07-26
JPH08507074A (ja) 1996-07-30
KR960701027A (ko) 1996-02-24
DE69402832T2 (de) 1997-07-31
EP0684946A1 (en) 1995-12-06
EP0684946B1 (en) 1997-04-23
DK0684946T3 (es) 1997-05-26

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