GB1601933A - Process for the preparation of 4-hydroxy-5-alkyl and 2,5-dialkyl-3-oxo-2h-furans - Google Patents

Process for the preparation of 4-hydroxy-5-alkyl and 2,5-dialkyl-3-oxo-2h-furans Download PDF

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Publication number
GB1601933A
GB1601933A GB13636/77A GB1363677A GB1601933A GB 1601933 A GB1601933 A GB 1601933A GB 13636/77 A GB13636/77 A GB 13636/77A GB 1363677 A GB1363677 A GB 1363677A GB 1601933 A GB1601933 A GB 1601933A
Authority
GB
United Kingdom
Prior art keywords
oxo
hydroxy
furan
alkyl
reaction mixture
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
GB13636/77A
Other languages
English (en)
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.)
POLAK FRUTAL WORKS
Original Assignee
POLAK FRUTAL WORKS
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 POLAK FRUTAL WORKS filed Critical POLAK FRUTAL WORKS
Priority to GB13636/77A priority Critical patent/GB1601933A/en
Priority to US05/879,307 priority patent/US4127592A/en
Priority to GR55721A priority patent/GR68693B/el
Priority to CA000299352A priority patent/CA1118432A/en
Priority to DE2858725A priority patent/DE2858725C2/de
Priority to DE19782812713 priority patent/DE2812713A1/de
Priority to CH336378A priority patent/CH642073A5/de
Priority to IT21719/78A priority patent/IT1096159B/it
Priority to IL54392A priority patent/IL54392A/xx
Priority to IL6654178A priority patent/IL66541A/xx
Priority to BE2056813A priority patent/BE865464A/xx
Priority to NLAANVRAGE7803409,A priority patent/NL190119C/xx
Priority to FR7809513A priority patent/FR2386537A1/fr
Priority to JP3798278A priority patent/JPS53121756A/ja
Priority to AU34655/78A priority patent/AU528732B2/en
Priority to US05/931,707 priority patent/US4189439A/en
Priority to FR7823467A priority patent/FR2386538A1/fr
Priority to CA377,127A priority patent/CA1123446A/en
Publication of GB1601933A publication Critical patent/GB1601933A/en
Priority to IL66541A priority patent/IL66541A0/xx
Priority to CH303783A priority patent/CH643837A5/de
Priority to JP61148008A priority patent/JPS62116570A/ja
Priority to JP61148009A priority patent/JPS62116571A/ja
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D307/56—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members 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 ring carbon atoms
    • C07D307/68—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES, NOT OTHERWISE PROVIDED FOR; PREPARATION OR TREATMENT THEREOF
    • A23L27/00—Spices; Flavouring agents or condiments; Artificial sweetening agents; Table salts; Dietetic salt substitutes; Preparation or treatment thereof
    • A23L27/20—Synthetic spices, flavouring agents or condiments
    • A23L27/205—Heterocyclic compounds
    • A23L27/2052—Heterocyclic compounds having oxygen or sulfur as the only hetero 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
    • C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D307/56—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members 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 ring carbon atoms
    • C07D307/60—Two oxygen atoms, e.g. succinic anhydride

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Nutrition Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Seasonings (AREA)
  • Furan Compounds (AREA)
  • Fats And Perfumes (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
GB13636/77A 1977-03-31 1977-03-31 Process for the preparation of 4-hydroxy-5-alkyl and 2,5-dialkyl-3-oxo-2h-furans Expired GB1601933A (en)

Priority Applications (22)

Application Number Priority Date Filing Date Title
GB13636/77A GB1601933A (en) 1977-03-31 1977-03-31 Process for the preparation of 4-hydroxy-5-alkyl and 2,5-dialkyl-3-oxo-2h-furans
US05/879,307 US4127592A (en) 1977-03-31 1978-02-21 Process of the preparation of hydroxyfurenones
GR55721A GR68693B (enrdf_load_stackoverflow) 1977-03-31 1978-03-16
CA000299352A CA1118432A (en) 1977-03-31 1978-03-17 Process for the preparation of 4-hydroxy-5-alkyl and 2,5-dialkyl-3-oxo-2h-furans
DE2858725A DE2858725C2 (enrdf_load_stackoverflow) 1977-03-31 1978-03-23
DE19782812713 DE2812713A1 (de) 1977-03-31 1978-03-23 Verfahren zur herstellung von 4-hydroxy-5-alkyl- und 4-hydroxy-2,5-dialkyl- 3-oxo-2h-furanen
CH336378A CH642073A5 (de) 1977-03-31 1978-03-29 Verfahren zur herstellung von 4-hydroxy-5-alkyl- und 4-hydroxy-2,5-dialkyl-3-oxo-2h-furanen.
IT21719/78A IT1096159B (it) 1977-03-31 1978-03-29 Procedimento per preparare i 4-idrossi-5-alchil-ed i 4-idrossi-2,5-dialchil-3-osso-2h-furani
NLAANVRAGE7803409,A NL190119C (nl) 1977-03-31 1978-03-30 Werkwijze voor de bereiding van 4-hydroxy-5-alkyl- en 4-hydroxy-2,5-dialkyl-3-oxo-2h-furanen.
IL6654178A IL66541A (en) 1977-03-31 1978-03-30 Process for the preparation of 4-hydroxy-2,5-alkyl-3-oxo-2h-furans and 2-carbalkoxy-furan derivatives employed as intermediates in the process
BE2056813A BE865464A (nl) 1977-03-31 1978-03-30 Werkwijze voor de bereiding van 4-hydroxy-5-alkyl- en 4-hydroxy-2,5-dialkyl-3-oxo-2h-furanen
IL54392A IL54392A (en) 1977-03-31 1978-03-30 Process for the preparation of 4-hydroxy-5-alkyl-3-oxo-2h-furans and 2-carbalkoxy-furan derivatives employed as intermediates in the process
FR7809513A FR2386537A1 (fr) 1977-03-31 1978-03-31 Preparation de derives du furanne
JP3798278A JPS53121756A (en) 1977-03-31 1978-03-31 Process for preparing 44hydroxyy55 alkyl and 2*55dialkyll33oxoo 2hhfuran
AU34655/78A AU528732B2 (en) 1977-03-31 1978-03-31 Preparation of 4-hydroxy-5-alkyl and 2, 5-dialkyl-3-oxo-2h-furans
US05/931,707 US4189439A (en) 1977-03-31 1978-08-07 Process of the preparation of hydroxyfurenones
FR7823467A FR2386538A1 (fr) 1977-03-31 1978-08-09 4-hydroxy-5-alkyl-furannes utilisables comme additifs de denrees alimentaires
CA377,127A CA1123446A (en) 1977-03-31 1981-05-07 Intermediates for 4-hydroxy-5-alkyl-and 2,5-dialkyl-3- oxo-2h-furans
IL66541A IL66541A0 (en) 1977-03-31 1982-08-13 Process for the preparation of 4-hydroxy-2,5-alkyl-3-oxo-2h-furans and 2-carbalkoxy-furan derivatives employed as intermediates in the process
CH303783A CH643837A5 (de) 1977-03-31 1983-06-02 2-carbalkoxy-3,4-dihydroxy-5-alkylfurane und 2-carbalkoxy-4-hydroxy-2,5-dialkyl-3-oxo-2h-furane.
JP61148008A JPS62116570A (ja) 1977-03-31 1986-06-24 ２―アルコキシカルボニル―３，４―ジヒドロキシ―５―アルキル―フラン
JP61148009A JPS62116571A (ja) 1977-03-31 1986-06-24 ２―アルコキシカルボニル―４―ヒドロキシ―２，５―ジアルキル―３―オキソ―２ｈ―フラン

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB13636/77A GB1601933A (en) 1977-03-31 1977-03-31 Process for the preparation of 4-hydroxy-5-alkyl and 2,5-dialkyl-3-oxo-2h-furans

Publications (1)

Publication Number Publication Date
GB1601933A true GB1601933A (en) 1981-11-04

Family

ID=10026638

Family Applications (1)

Application Number Title Priority Date Filing Date
GB13636/77A Expired GB1601933A (en) 1977-03-31 1977-03-31 Process for the preparation of 4-hydroxy-5-alkyl and 2,5-dialkyl-3-oxo-2h-furans

Country Status (3)

Country Link
JP (2) JPS62116570A (enrdf_load_stackoverflow)
BE (1) BE865464A (enrdf_load_stackoverflow)
GB (1) GB1601933A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025036683A1 (en) * 2023-08-17 2025-02-20 Givaudan Sa Fruit extracts from essence

Also Published As

Publication number Publication date
BE865464A (nl) 1978-10-02
JPH0149711B2 (enrdf_load_stackoverflow) 1989-10-25
JPS62116570A (ja) 1987-05-28
JPH0149710B2 (enrdf_load_stackoverflow) 1989-10-25
JPS62116571A (ja) 1987-05-28

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years

Effective date: 19980327