CA2334341C - Process for the preparation of 3-aryl-benzofuranones - Google Patents

Process for the preparation of 3-aryl-benzofuranones Download PDF

Info

Publication number
CA2334341C
CA2334341C CA002334341A CA2334341A CA2334341C CA 2334341 C CA2334341 C CA 2334341C CA 002334341 A CA002334341 A CA 002334341A CA 2334341 A CA2334341 A CA 2334341A CA 2334341 C CA2334341 C CA 2334341C
Authority
CA
Canada
Prior art keywords
c4alkyl
hydrogen
substituted
unsubstituted
oxygen
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 - Fee Related
Application number
CA002334341A
Other languages
English (en)
French (fr)
Other versions
CA2334341A1 (en
Inventor
Michael Tinkl
Samuel Evans
Peter Nesvadba
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
Ciba Spezialitaetenchemie Holding AG
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 Spezialitaetenchemie Holding AG filed Critical Ciba Spezialitaetenchemie Holding AG
Publication of CA2334341A1 publication Critical patent/CA2334341A1/en
Application granted granted Critical
Publication of CA2334341C publication Critical patent/CA2334341C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D307/00Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/77Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D307/78Benzo [b] furans; Hydrogenated benzo [b] furans
    • C07D307/82Benzo [b] furans; Hydrogenated benzo [b] furans with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the hetero ring
    • C07D307/83Oxygen atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/587Unsaturated compounds containing a keto groups being part of a ring
    • C07C49/603Unsaturated compounds containing a keto groups being part of a ring of a six-membered ring, e.g. quinone methides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Furan Compounds (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Plural Heterocyclic Compounds (AREA)
CA002334341A 1998-06-25 1999-06-15 Process for the preparation of 3-aryl-benzofuranones Expired - Fee Related CA2334341C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH1355/98 1998-06-25
CH135598 1998-06-25
PCT/EP1999/004117 WO1999067232A2 (en) 1998-06-25 1999-06-15 Process for the preparation of 3-aryl-benzofuranones

Publications (2)

Publication Number Publication Date
CA2334341A1 CA2334341A1 (en) 1999-12-29
CA2334341C true CA2334341C (en) 2008-01-08

Family

ID=4208536

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002334341A Expired - Fee Related CA2334341C (en) 1998-06-25 1999-06-15 Process for the preparation of 3-aryl-benzofuranones

Country Status (14)

Country Link
US (2) US6417358B1 (https=)
EP (1) EP1089991B1 (https=)
JP (1) JP2002518493A (https=)
KR (1) KR100578455B1 (https=)
CN (1) CN100412069C (https=)
AT (1) ATE234827T1 (https=)
AU (1) AU4513699A (https=)
BR (1) BR9911586A (https=)
CA (1) CA2334341C (https=)
DE (1) DE69906074T2 (https=)
ES (1) ES2192852T3 (https=)
MX (1) MXPA00012863A (https=)
TW (1) TWI239332B (https=)
WO (1) WO1999067232A2 (https=)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2343007B (en) * 1998-10-19 2001-11-07 Ciba Sc Holding Ag Colour photographic material
US6809208B2 (en) 2000-02-14 2004-10-26 Ciba Specialty Chemicals Corporation 3-Arylbenzofuranones with electron-withdrawing substituents as stabilizers
EP1170296B1 (en) * 2000-07-07 2005-07-20 Ciba SC Holding AG Process for the preparation of 3-aryl-benzofuran-2-ones
ATE299874T1 (de) * 2000-07-07 2005-08-15 Ciba Sc Holding Ag Verfahren zur herstellung von 3-arylbenzofuran-2- onen
US20050176859A1 (en) * 2001-10-09 2005-08-11 Michael Tinkl Polyester and polyamide compositions of low residual aldehyde content
US7818268B2 (en) * 2001-10-16 2010-10-19 Fitzsimmons Todd E System and method for mail verification
US8034904B2 (en) * 2002-06-14 2011-10-11 Immunogen Inc. Anti-IGF-I receptor antibody
US7390912B2 (en) * 2004-12-17 2008-06-24 Milliken & Company Lactone stabilizing compositions
CN102199137B (zh) * 2010-03-24 2013-03-20 淄博万昌科技股份有限公司 一种制备3-(α-甲氧基)-亚甲基苯并呋喃-2(3H)-酮的方法
CN104447647B (zh) * 2014-10-31 2017-05-10 优缔股份有限公司 一种3‑芳基苯并呋喃酮化合物及其构成的组合物
GB201706162D0 (en) * 2017-04-19 2017-05-31 Nat Univ Singapore Compounds
US20230295373A1 (en) 2020-08-13 2023-09-21 Mitsubishi Gas Chemical Company, Inc. Thermoplastic resin composition for optical material, molded article, compounding agent, method for producing thermoplastic resin composition, and method for improving transmissivity
WO2023068290A1 (ja) 2021-10-22 2023-04-27 三菱瓦斯化学株式会社 熱可塑性樹脂組成物、成形体、熱可塑性樹脂組成物の製造方法及び透過率向上方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA10018A (en) * 1879-05-28 Henry F. Howell Process and apparatus for deodorizing petroleum oil
US4006252A (en) * 1967-05-08 1977-02-01 Ethyl Corporation Methods and compositions for reducing plasma lipid levels
GB2042562B (en) 1979-02-05 1983-05-11 Sandoz Ltd Stabilising polymers
GB8424376D0 (en) * 1984-09-27 1984-10-31 British Petroleum Co Plc Chemical process
JPH055913A (ja) * 1991-06-27 1993-01-14 Toshiba Corp 有機非線形光学材料
JPH05323601A (ja) * 1992-05-25 1993-12-07 Fuji Photo Film Co Ltd ポジ型フオトレジスト組成物
JPH05323600A (ja) * 1992-05-25 1993-12-07 Fuji Photo Film Co Ltd ポジ型フオトレジスト組成物
TW284762B (https=) 1993-09-17 1996-09-01 Ciba Geigy Ag

Also Published As

Publication number Publication date
KR100578455B1 (ko) 2006-05-10
EP1089991A2 (en) 2001-04-11
KR20010034913A (ko) 2001-04-25
CA2334341A1 (en) 1999-12-29
ES2192852T3 (es) 2003-10-16
WO1999067232A2 (en) 1999-12-29
US6989446B2 (en) 2006-01-24
JP2002518493A (ja) 2002-06-25
AU4513699A (en) 2000-01-10
ATE234827T1 (de) 2003-04-15
DE69906074D1 (de) 2003-04-24
BR9911586A (pt) 2001-03-20
DE69906074T2 (de) 2003-08-21
US6417358B1 (en) 2002-07-09
CN100412069C (zh) 2008-08-20
TWI239332B (en) 2005-09-11
US20030018191A1 (en) 2003-01-23
EP1089991B1 (en) 2003-03-19
CN1307570A (zh) 2001-08-08
WO1999067232A3 (en) 2000-02-03
MXPA00012863A (es) 2003-08-01

Similar Documents

Publication Publication Date Title
CA2334341C (en) Process for the preparation of 3-aryl-benzofuranones
US5607624A (en) Process for the preparation of 3-arylbenzofuranones
JP3505604B2 (ja) 安定剤として使用するための3−(2−アシルオキシエトキシフェニル)ベンゾフラン−2−オン
NL194760C (nl) 3-Arylbenzo[b]furan-2-onen alsmede met deze furanonen gestabiliseerde organische materialen.
US5693829A (en) Benzofuran-2-ones as stabilizers
JP2013528641A (ja) ドロネダロンの調製方法
JP2013519663A (ja) ベンゾフランの調製及び合成中間体としてのその使用
TW201144291A (en) New process for the preparation of dronedarone
CA2605932A1 (en) Dihydrobenzofuranyl alkanamine derivatives as 5ht2c agonists
CN103781754B (zh) 制备饱和烷基酯/酸的方法
PT1315709E (pt) Aminoalquilbenzoil-benzofuranos ou benzotiofenos, seu processo de preparaã†o e composiãŽes que os cont—m
Wendt et al. Synthesis of two metabolites of the antiarrythmicum amiodarone
KR930003853B1 (ko) 2, 5, 6, 7-테트라노르-18, 18, 19, 19-테트라데히드로-4, 8-인터-m-페닐렌 PGI₂유도체
KR960016542B1 (ko) 2,5,6,7-테트라놀-4,8-인터-m-페닐렌 PGI₂유도체, 이것의 제조 방법 및 이를 함유하는 약제
US3952033A (en) Furan intermediates and process for synthesis of 4-hydroxycyclopetenones, prostaglandin synthesis intermediates
EP1286981A1 (de) Verfahren zur herstellung von 2-coumaron und substituierten 2-coumaronen
WO1991001312A1 (en) Novel photoactive compounds
GB2368063A (en) 3-Aryl-5-substituted-3H-benzofuran-2-one derivatives and their use as stabilizers of organic material against degradation by light, oxygen or heat
KR20120094090A (ko) 드로네다론을 제조하기 위한 신규한 방법
BG65425B1 (bg) Метод за получаване на циталопрам

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed