ZA974629B - Chemical process. - Google Patents

Chemical process.

Info

Publication number
ZA974629B
ZA974629B ZA9704629A ZA974629A ZA974629B ZA 974629 B ZA974629 B ZA 974629B ZA 9704629 A ZA9704629 A ZA 9704629A ZA 974629 A ZA974629 A ZA 974629A ZA 974629 B ZA974629 B ZA 974629B
Authority
ZA
South Africa
Prior art keywords
pct
date dec
sec
acid
chemical process
Prior art date
Application number
ZA9704629A
Other languages
English (en)
Inventor
Alfred Glyn Williams
Nicholas Russell Foster
Michael Charles Henry Standen
Raymond Vincent Heavon Jones
Original Assignee
Zeneca 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 Zeneca Ltd filed Critical Zeneca Ltd
Publication of ZA974629B publication Critical patent/ZA974629B/xx

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)
  • Saccharide Compounds (AREA)
  • Macromonomer-Based Addition Polymer (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
ZA9704629A 1996-06-17 1997-05-27 Chemical process. ZA974629B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9612623.0A GB9612623D0 (en) 1996-06-17 1996-06-17 Chemical process

Publications (1)

Publication Number Publication Date
ZA974629B true ZA974629B (en) 1997-12-17

Family

ID=10795412

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9704629A ZA974629B (en) 1996-06-17 1997-05-27 Chemical process.

Country Status (18)

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

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE237607T1 (de) * 1997-08-26 2003-05-15 Syngenta Ltd Verfahren zur herstellung von 3-ispchromanon
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
CA802822A (en) * 1968-12-31 S. Newcomer Jack 2,3,6-trichlorophenylacetic acid
CA804045A (en) * 1969-01-14 Tenneco Chemicals Herbicidal compositions and methods
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
GR3036239T3 (en) 2001-10-31
AU2908697A (en) 1998-01-07
ES2158561T3 (es) 2001-09-01
US6008381A (en) 1999-12-28
IL127502A0 (en) 1999-10-28
CN1222150A (zh) 1999-07-07
DE69705721T2 (de) 2002-05-08
EP0906304A1 (en) 1999-04-07
IN186158B (ja) 2001-06-30
DE69705721D1 (de) 2001-08-23
EP0906304B1 (en) 2001-07-18
DK0906304T3 (da) 2001-09-24
BR9709735A (pt) 1999-08-10
JP2000512983A (ja) 2000-10-03
ATE203241T1 (de) 2001-08-15
JP3830975B2 (ja) 2006-10-11
CN1102590C (zh) 2003-03-05
GB9612623D0 (en) 1996-08-21
WO1997048692A1 (en) 1997-12-24
TW505641B (en) 2002-10-11
PT906304E (pt) 2001-10-31
IL127502A (en) 2002-03-10

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