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ES8801644A1 - Un procedimiento para preparar 6-fluoro-4-cromanona - Google Patents

Un procedimiento para preparar 6-fluoro-4-cromanona

Info

Publication number
ES8801644A1
ES8801644A1 ES557622A ES557622A ES8801644A1 ES 8801644 A1 ES8801644 A1 ES 8801644A1 ES 557622 A ES557622 A ES 557622A ES 557622 A ES557622 A ES 557622A ES 8801644 A1 ES8801644 A1 ES 8801644A1
Authority
ES
Spain
Prior art keywords
fluorophenoxy
propionitrile
preparing
fluoro
formula
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
Application number
ES557622A
Other languages
English (en)
Other versions
ES557622A0 (es
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.)
Kanegafuchi Chemical Industry Co Ltd
Original Assignee
Kanegafuchi Chemical Industry Co 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 Kanegafuchi Chemical Industry Co Ltd filed Critical Kanegafuchi Chemical Industry Co Ltd
Publication of ES8801644A1 publication Critical patent/ES8801644A1/es
Publication of ES557622A0 publication Critical patent/ES557622A0/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00—Carboxylic acid nitriles
    • 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
    • C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
    • C07D311/22—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Pyrane Compounds (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)

Abstract

PROCEDIMIENTO PARA LA OBTENCION DE 6-FLUORO-4-CROMANONA. COMPRENDE LA REACCION DE 3-(4-FLUOROFENOXI)PROPIONITRILO CON ACIDO POLIFOSFORICO A UNA TEMPERATURA COMPRENDIDA ENTRE 140JC Y 190JC; SEGUIDA DE LA HIDROLISIS DE LA 6-FLUORO-4-CROMANIMINA ASI OBTENIDA POR TRATAMIENTO CON UNA MEZCLA DE HIELO Y AGUA. ESTE COMPUESTO TIENE APLICACION COMO INTERMEDIO PARA LA SINTESIS DE (S)-2,3-DIHIDRO-6-FLUOROSPIRO4H-1-BENZOPIRAN-4,4K-IMIDAZOLIDINA-2K,5K-DIONA, INHIBIDOR DE ALDOSA REDUCTASA.
ES557622A 1984-07-09 1987-07-15 Un procedimiento para preparar 6-fluoro-4-cromanona Expired ES8801644A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59142875A JPH06772B2 (ja) 1984-07-09 1984-07-09 ３―（４―フルオロフエノキシ）プロピオニトリルを用いる６―フルオロ―４―クロマノンの製造法

Publications (2)

Publication Number Publication Date
ES8801644A1 true ES8801644A1 (es) 1988-02-16
ES557622A0 ES557622A0 (es) 1988-02-16

Family

ID=15325623

Family Applications (3)

Application Number Title Priority Date Filing Date
ES544969A Expired ES8606850A1 (es) 1984-07-09 1985-07-08 Un procedimiento para preparar 3-(4-fluorofenoxi)-propioni- trilo
ES551611A Expired ES8800676A1 (es) 1984-07-09 1986-02-04 Un procedimiento para preparar 6-fluoro-4-cromanona
ES557622A Expired ES8801644A1 (es) 1984-07-09 1987-07-15 Un procedimiento para preparar 6-fluoro-4-cromanona

Family Applications Before (2)

Application Number Title Priority Date Filing Date
ES544969A Expired ES8606850A1 (es) 1984-07-09 1985-07-08 Un procedimiento para preparar 3-(4-fluorofenoxi)-propioni- trilo
ES551611A Expired ES8800676A1 (es) 1984-07-09 1986-02-04 Un procedimiento para preparar 6-fluoro-4-cromanona

Country Status (6)

Country Link
US (1) US4625042A (es)
EP (1) EP0168006B1 (es)
JP (1) JPH06772B2 (es)
DE (1) DE3574967D1 (es)
ES (3) ES8606850A1 (es)
IE (1) IE58654B1 (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3669316D1 (de) * 1985-12-24 1990-04-12 Mallinckrodt Inc Herstellung von 6-substituierten 4-chromanonen.
KR20170016754A (ko) * 2015-08-04 2017-02-14 씨제이헬스케어 주식회사 크로마논 유도체의 신규한 제조방법
KR101894091B1 (ko) * 2018-01-23 2018-08-31 씨제이헬스케어 주식회사 크로마논 유도체의 신규한 제조방법

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2819197A (en) * 1954-12-20 1958-01-07 Monsanto Chemicals Aromatic propionttrile nematocidal compositions and method of using same
US2974160A (en) * 1957-12-11 1961-03-07 Monsanto Chemicals Cyanoethylation process
US3467692A (en) 1965-05-12 1969-09-16 Allied Chem Fluorophenoxy alkyl nitriles
US4117230A (en) * 1976-10-18 1978-09-26 Pfizer Inc. Hydantoin derivatives as therapeutic agents
US4130714A (en) * 1977-05-23 1978-12-19 Pfizer Inc. Hydantoin therapeutic agents
GB8304647D0 (en) * 1983-02-19 1983-03-23 Beecham Group Plc Compounds
DE3460315D1 (en) * 1983-02-19 1986-08-28 Beecham Group Plc Benzofuran and benzothiophene-carboxylic-acid derivatives
ZA844557B (en) * 1983-06-23 1985-02-27 Hoffmann La Roche Novel thiazolidine derivatives
DK277484A (da) * 1983-06-23 1984-12-24 Hoffmann La Roche Thiazolidinderivater

Also Published As

Publication number Publication date
IE58654B1 (en) 1993-11-03
DE3574967D1 (de) 1990-02-01
EP0168006A3 (en) 1987-01-07
EP0168006A2 (en) 1986-01-15
JPS6122058A (ja) 1986-01-30
EP0168006B1 (en) 1989-12-27
US4625042A (en) 1986-11-25
ES8800676A1 (es) 1987-11-16
IE851693L (en) 1986-01-09
ES544969A0 (es) 1986-05-01
JPH06772B2 (ja) 1994-01-05
ES551611A0 (es) 1987-11-16
ES557622A0 (es) 1988-02-16
ES8606850A1 (es) 1986-05-01

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19971001