CA1066702A - Process for preparing benzofuran derivatives - Google Patents

Process for preparing benzofuran derivatives

Info

Publication number
CA1066702A
CA1066702A CA234,105A CA234105A CA1066702A CA 1066702 A CA1066702 A CA 1066702A CA 234105 A CA234105 A CA 234105A CA 1066702 A CA1066702 A CA 1066702A
Authority
CA
Canada
Prior art keywords
formula
compound
group
alkyl group
benzoquinone
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
CA234,105A
Other languages
English (en)
French (fr)
Inventor
John F. Harris
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.)
Fisons Ltd
Original Assignee
Fisons 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 Fisons Ltd filed Critical Fisons Ltd
Application granted granted Critical
Publication of CA1066702A publication Critical patent/CA1066702A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D295/00—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
    • C07D295/02—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms containing only hydrogen and carbon atoms in addition to the ring hetero elements
    • C07D295/027—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms containing only hydrogen and carbon atoms in addition to the ring hetero elements containing only one hetero ring
    • C07D295/03—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms containing only hydrogen and carbon atoms in addition to the ring hetero elements containing only one hetero ring with the ring nitrogen atoms directly attached to acyclic carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/77—Heterocyclic 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
    • C07D307/78—Benzo [b] furans; Hydrogenated benzo [b] furans
    • C07D307/82—Benzo [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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/77—Heterocyclic 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
    • C07D307/78—Benzo [b] furans; Hydrogenated benzo [b] furans
    • C07D307/82—Benzo [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
    • C07D307/83—Oxygen atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
    • C07D405/02—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
    • C07D405/04—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings directly linked by a ring-member-to-ring-member bond
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D413/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms
    • C07D413/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings
    • C07D413/04—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings directly linked by a ring-member-to-ring-member bond
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/582—Recycling of unreacted starting or intermediate materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Furan Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
CA234,105A 1974-09-05 1975-08-21 Process for preparing benzofuran derivatives Expired CA1066702A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB3881874 1974-09-05
GB33686/75A GB1522142A (en) 1974-09-05 1974-09-05 Process for the production of 2,3-dihydrobenzofurans
GB38814/74A GB1522141A (en) 1974-09-05 1974-09-05 2,3-dihydrobenzofuran derivatives and a process for their preparation
GB3881574 1974-09-05

Publications (1)

Publication Number Publication Date
CA1066702A true CA1066702A (en) 1979-11-20

Family

ID=27448926

Family Applications (2)

Application Number Title Priority Date Filing Date
CA234,108A Expired CA1068288A (en) 1974-09-05 1975-08-21 2-lower alkyl-2,3-dihydro-5-benzofuranyl esters of lower alkyl sulfonic acids
CA234,105A Expired CA1066702A (en) 1974-09-05 1975-08-21 Process for preparing benzofuran derivatives

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CA234,108A Expired CA1068288A (en) 1974-09-05 1975-08-21 2-lower alkyl-2,3-dihydro-5-benzofuranyl esters of lower alkyl sulfonic acids

Country Status (9)

Country Link
JP (2) JPS5154547A (nl)
AU (2) AU497714B2 (nl)
BE (2) BE832937A (nl)
CA (2) CA1068288A (nl)
CH (2) CH608797A5 (nl)
DE (2) DE2537913A1 (nl)
FR (2) FR2283898A1 (nl)
GB (2) GB1522142A (nl)
NL (2) NL7510048A (nl)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3329126A1 (de) * 1983-08-11 1985-02-28 Bayer Ag, 5090 Leverkusen Neue benzokondensierte, tetrachlorierte, heterocyclische verbindungen und ein verfahren zu ihrer herstellung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3412109A (en) * 1964-09-25 1968-11-19 Upjohn Co Process for 2-alkoxy-2, 3-dihydro 5-benzofuranols

Also Published As

Publication number Publication date
GB1522142A (en) 1978-08-23
AU8414375A (en) 1977-02-24
AU8413875A (en) 1977-02-24
NL7510048A (nl) 1976-03-09
JPS5154547A (en) 1976-05-13
DE2537891A1 (de) 1976-03-18
CH608797A5 (en) 1979-01-31
CH610587A5 (en) 1979-04-30
GB1522141A (en) 1978-08-23
DE2537913A1 (de) 1976-03-18
BE832938A (fr) 1976-03-01
BE832937A (fr) 1976-03-01
FR2296629A1 (fr) 1976-07-30
CA1068288A (en) 1979-12-18
NL7510228A (nl) 1976-03-09
AU497714B2 (en) 1979-01-04
AU497993B2 (en) 1979-02-01
FR2283898B1 (nl) 1978-10-20
FR2283898A1 (fr) 1976-04-02
FR2296629B1 (nl) 1980-04-11
JPS5154548A (en) 1976-05-13

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