GB1522142A - Process for the production of 2,3-dihydrobenzofurans - Google Patents

Process for the production of 2,3-dihydrobenzofurans

Info

Publication number
GB1522142A
GB1522142A GB33686/75A GB3881774A GB1522142A GB 1522142 A GB1522142 A GB 1522142A GB 33686/75 A GB33686/75 A GB 33686/75A GB 3881774 A GB3881774 A GB 3881774A GB 1522142 A GB1522142 A GB 1522142A
Authority
GB
United Kingdom
Prior art keywords
dihydrobenzofurans
production
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
GB33686/75A
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
Priority to GB38814/74A priority Critical patent/GB1522141A/en
Priority to GB33686/75A priority patent/GB1522142A/en
Priority to IL47922A priority patent/IL47922A/en
Priority to IE182175A priority patent/IE41513B1/en
Priority to AU84138/75A priority patent/AU497993B2/en
Priority to AU84143/75A priority patent/AU497714B2/en
Priority to CA234,105A priority patent/CA1066702A/en
Priority to CA234,108A priority patent/CA1068288A/en
Priority to NL7510048A priority patent/NL7510048A/en
Priority to DE19752537891 priority patent/DE2537891A1/en
Priority to DE19752537913 priority patent/DE2537913A1/en
Priority to NL7510228A priority patent/NL7510228A/en
Priority to BE159632A priority patent/BE832938A/en
Priority to BE159631A priority patent/BE832937A/en
Priority to JP50106109A priority patent/JPS5154547A/en
Priority to PL18313175A priority patent/PL103396B1/en
Priority to FR7527165A priority patent/FR2283898A1/en
Priority to FR7527164A priority patent/FR2296629A1/en
Priority to HU75FI598A priority patent/HU173992B/en
Priority to DD18818675A priority patent/DD121934A5/xx
Priority to CH7511485A priority patent/CH608797A5/en
Priority to CH1148675A priority patent/CH610587A5/en
Priority to DK398275A priority patent/DK398275A/en
Priority to IT2692575A priority patent/IT1048486B/en
Priority to JP50107156A priority patent/JPS5154548A/en
Publication of GB1522142A publication Critical patent/GB1522142A/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)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Furan Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
GB33686/75A 1974-09-05 1974-09-05 Process for the production of 2,3-dihydrobenzofurans Expired GB1522142A (en)

Priority Applications (25)

Application Number Priority Date Filing Date Title
GB38814/74A GB1522141A (en) 1974-09-05 1974-09-05 2,3-dihydrobenzofuran derivatives and a process for their preparation
GB33686/75A GB1522142A (en) 1974-09-05 1974-09-05 Process for the production of 2,3-dihydrobenzofurans
IL47922A IL47922A (en) 1974-09-05 1975-08-14 Process for the preparation of 5-alkyl-sulfonyloxy-2,3-dihydro-benzofuran-2-ol derivatives
IE182175A IE41513B1 (en) 1974-09-05 1975-08-18 Process for the production of 2,3-dihydrobenzofurans
AU84138/75A AU497993B2 (en) 1974-09-05 1975-08-20 Benzofuran derivatives
AU84143/75A AU497714B2 (en) 1974-09-05 1975-08-20 Process forthe preparation of benzofuran derivatives
CA234,105A CA1066702A (en) 1974-09-05 1975-08-21 Process for preparing benzofuran derivatives
CA234,108A CA1068288A (en) 1974-09-05 1975-08-21 2-lower alkyl-2,3-dihydro-5-benzofuranyl esters of lower alkyl sulfonic acids
NL7510048A NL7510048A (en) 1974-09-05 1975-08-26 PROCESS FOR PREPARING AN ORGANIC COMPOUND.
DE19752537891 DE2537891A1 (en) 1974-09-05 1975-08-26 NEW BENZOFURANES AND METHOD FOR MAKING THEM
DE19752537913 DE2537913A1 (en) 1974-09-05 1975-08-26 PROCESS FOR THE PRODUCTION OF BENZOFURANS
NL7510228A NL7510228A (en) 1974-09-05 1975-08-29 PROCESS FOR PREPARING AN ORGANIC COMPOUND.
BE159632A BE832938A (en) 1974-09-05 1975-08-29 PROCESS FOR SYNTHESIS OF HETEROXYCLIC COMPOUNDS
BE159631A BE832937A (en) 1974-09-05 1975-08-29 NEW PROCESS FOR PREPARATION OF HETEROCYCLIC COMPOUNDS
JP50106109A JPS5154547A (en) 1974-09-05 1975-09-03 Benzofuranjudotaino seizoho
PL18313175A PL103396B1 (en) 1974-09-05 1975-09-04 METHOD OF MAKING BENZOFURAN DERIVATIVES
FR7527165A FR2283898A1 (en) 1974-09-05 1975-09-04 NEW PROCESS FOR THE PREPARATION OF BENZOFURANS SUBSTITUTES
FR7527164A FR2296629A1 (en) 1974-09-05 1975-09-04 PROCESS FOR SYNTHESIS OF HETEROCYCLIC COMPOUNDS
HU75FI598A HU173992B (en) 1974-09-05 1975-09-04 Process for preparing benzofuran derivatives
DD18818675A DD121934A5 (en) 1974-09-05 1975-09-04
CH7511485A CH608797A5 (en) 1974-09-05 1975-09-04 Process for the preparation of heterocyclic compounds
CH1148675A CH610587A5 (en) 1974-09-05 1975-09-04 Process for the synthesis of benzofuran derivatives
DK398275A DK398275A (en) 1974-09-05 1975-09-04 PROCEDURE FOR THE PREPARATION OF A BENZOFURAN DERIVATIVE
IT2692575A IT1048486B (en) 1974-09-05 1975-09-04 Purified 2-aminobenzofurans prepn. - with little hydroquinone impurity by reaction of benzoquinone with enamines in presence of aldehyde, esp. isobutyraldehyde
JP50107156A JPS5154548A (en) 1974-09-05 1975-09-05 Benzofurankeikagobutsuno seizohoho

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB3881574 1974-09-05
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

Publications (1)

Publication Number Publication Date
GB1522142A true GB1522142A (en) 1978-08-23

Family

ID=27448926

Family Applications (2)

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

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB38814/74A Expired GB1522141A (en) 1974-09-05 1974-09-05 2,3-dihydrobenzofuran derivatives and a process for their preparation

Country Status (9)

Country Link
JP (2) JPS5154547A (en)
AU (2) AU497993B2 (en)
BE (2) BE832937A (en)
CA (2) CA1068288A (en)
CH (2) CH608797A5 (en)
DE (2) DE2537913A1 (en)
FR (2) FR2296629A1 (en)
GB (2) GB1522142A (en)
NL (2) NL7510048A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3329126A1 (en) * 1983-08-11 1985-02-28 Bayer Ag, 5090 Leverkusen NEW BENZO-CONDENSED, TETRACHLORATED, HETEROCYCLIC COMPOUNDS AND A METHOD FOR THEIR PRODUCTION

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
BE832938A (en) 1976-03-01
FR2296629B1 (en) 1980-04-11
AU497714B2 (en) 1979-01-04
AU497993B2 (en) 1979-02-01
CA1066702A (en) 1979-11-20
CH610587A5 (en) 1979-04-30
JPS5154548A (en) 1976-05-13
CA1068288A (en) 1979-12-18
FR2296629A1 (en) 1976-07-30
BE832937A (en) 1976-03-01
NL7510228A (en) 1976-03-09
FR2283898A1 (en) 1976-04-02
GB1522141A (en) 1978-08-23
NL7510048A (en) 1976-03-09
CH608797A5 (en) 1979-01-31
JPS5154547A (en) 1976-05-13
FR2283898B1 (en) 1978-10-20
AU8414375A (en) 1977-02-24
DE2537913A1 (en) 1976-03-18
AU8413875A (en) 1977-02-24
DE2537891A1 (en) 1976-03-18

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee