DE69705721T2 - Verfahren zur Herstellung von 3-Isochromanon - Google Patents

Verfahren zur Herstellung von 3-Isochromanon

Info

Publication number
DE69705721T2
DE69705721T2 DE69705721T DE69705721T DE69705721T2 DE 69705721 T2 DE69705721 T2 DE 69705721T2 DE 69705721 T DE69705721 T DE 69705721T DE 69705721 T DE69705721 T DE 69705721T DE 69705721 T2 DE69705721 T2 DE 69705721T2
Authority
DE
Germany
Prior art keywords
acid
fluorobenzene
added
isochromanone
sulfuryl chloride
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
DE69705721T
Other languages
German (de)
English (en)
Other versions
DE69705721D1 (de
Inventor
Nicholas Russell Foster
Raymond Vincent Heavon Jones
Michael Charles Henry Standen
Alfred Glyn Williams
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.)
Syngenta Ltd
Original Assignee
Syngenta Ltd
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 Syngenta Ltd filed Critical Syngenta Ltd
Application granted granted Critical
Publication of DE69705721D1 publication Critical patent/DE69705721D1/de
Publication of DE69705721T2 publication Critical patent/DE69705721T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D311/76—Benzo[c]pyrans

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Macromonomer-Based Addition Polymer (AREA)
  • Saccharide Compounds (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
DE69705721T 1996-06-17 1997-05-21 Verfahren zur Herstellung von 3-Isochromanon Expired - Lifetime DE69705721T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9612623.0A GB9612623D0 (en) 1996-06-17 1996-06-17 Chemical process
PCT/GB1997/001391 WO1997048692A1 (en) 1996-06-17 1997-05-21 Process for preparing 3-isochromanone

Publications (2)

Publication Number Publication Date
DE69705721D1 DE69705721D1 (de) 2001-08-23
DE69705721T2 true DE69705721T2 (de) 2002-05-08

Family

ID=10795412

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69705721T Expired - Lifetime DE69705721T2 (de) 1996-06-17 1997-05-21 Verfahren zur Herstellung von 3-Isochromanon

Country Status (18)

Country Link
US (1) US6008381A (enExample)
EP (1) EP0906304B1 (enExample)
JP (1) JP3830975B2 (enExample)
CN (1) CN1102590C (enExample)
AT (1) ATE203241T1 (enExample)
AU (1) AU2908697A (enExample)
BR (1) BR9709735A (enExample)
DE (1) DE69705721T2 (enExample)
DK (1) DK0906304T3 (enExample)
ES (1) ES2158561T3 (enExample)
GB (1) GB9612623D0 (enExample)
GR (1) GR3036239T3 (enExample)
IL (1) IL127502A (enExample)
IN (1) IN186158B (enExample)
PT (1) PT906304E (enExample)
TW (1) TW505641B (enExample)
WO (1) WO1997048692A1 (enExample)
ZA (1) ZA974629B (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100550054B1 (ko) * 1997-08-26 2006-02-08 신젠타 리미티드 3-이소크로마논의 제조 방법
JP3874925B2 (ja) * 1998-04-22 2007-01-31 イハラケミカル工業株式会社 クロロメチルフェニル酢酸の製造方法
DE19923548A1 (de) * 1999-05-21 2000-11-23 Clariant Gmbh Verfahren zur Herstellung von 3-Isochromanonen durch Cyclisierung von o-Chlormethylphenylessigsäuren
US6428654B1 (en) 2000-04-05 2002-08-06 Hercules Incorporated Fungicidal method
GB0125473D0 (en) * 2001-10-24 2001-12-12 Syngenta Ltd Chemical process
GB0210370D0 (en) 2002-05-07 2002-06-12 Syngenta Ltd Chemical process
CN102297924B (zh) * 2011-06-21 2013-10-30 上海试四赫维化工有限公司 3-异苯并二氢吡喃酮中邻-甲基苯乙酸和2-氯甲基苯乙酸杂质含量的高效液相色谱分析方法
CN109456295B (zh) * 2018-12-11 2022-03-01 苏州华道生物药业股份有限公司 3-异苯并二氢吡喃酮的微通道法合成工艺
CN109553601B (zh) * 2019-01-31 2020-11-10 河南科技大学 一种无催化剂法制备5-溴异色满-4-酮的工艺方法
CN112125876A (zh) * 2020-08-25 2020-12-25 宁夏思科达生物科技有限公司 一种3-异色酮的合成方法
CN115417849B (zh) * 2022-10-10 2023-09-26 河南省化工研究所有限责任公司 一种催化合成3-异色酮的方法
CN115772147B (zh) * 2022-12-23 2024-03-22 长沙钰腾新材料有限公司 3-异色酮或其衍生物的合成方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA804045A (en) * 1969-01-14 Tenneco Chemicals Herbicidal compositions and methods
CA802822A (en) * 1968-12-31 S. Newcomer Jack 2,3,6-trichlorophenylacetic acid
US3489784A (en) * 1967-03-30 1970-01-13 Hoffmann La Roche (chlorinated alpha,alpha,alpha - trifluoro-m-tolyl)acetonitriles,acetamides and acetic acids
BE760968A (en) * 1970-12-29 1971-06-29 P R B En Neerlandais P R B N V Opt 2,3-subst phenyl acetic acid and derivpl
DE4415681A1 (de) * 1994-05-04 1995-11-16 Hoechst Ag Verfahren zur Herstellung von Arylessigsäurederivaten durch Carbonylierung von Arylmethylhalogeniden

Also Published As

Publication number Publication date
IN186158B (enExample) 2001-06-30
JP3830975B2 (ja) 2006-10-11
ATE203241T1 (de) 2001-08-15
GR3036239T3 (en) 2001-10-31
CN1102590C (zh) 2003-03-05
CN1222150A (zh) 1999-07-07
PT906304E (pt) 2001-10-31
AU2908697A (en) 1998-01-07
DE69705721D1 (de) 2001-08-23
EP0906304B1 (en) 2001-07-18
JP2000512983A (ja) 2000-10-03
DK0906304T3 (da) 2001-09-24
GB9612623D0 (en) 1996-08-21
ES2158561T3 (es) 2001-09-01
EP0906304A1 (en) 1999-04-07
IL127502A (en) 2002-03-10
TW505641B (en) 2002-10-11
US6008381A (en) 1999-12-28
IL127502A0 (en) 1999-10-28
WO1997048692A1 (en) 1997-12-24
BR9709735A (pt) 1999-08-10
ZA974629B (en) 1997-12-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: SYNGENTA LTD., GUILDFORD, GB