GB960753A - Improvements in or relating to propionic acid esters - Google Patents

Improvements in or relating to propionic acid esters

Info

Publication number
GB960753A
GB960753A GB4561962A GB4561962A GB960753A GB 960753 A GB960753 A GB 960753A GB 4561962 A GB4561962 A GB 4561962A GB 4561962 A GB4561962 A GB 4561962A GB 960753 A GB960753 A GB 960753A
Authority
GB
United Kingdom
Prior art keywords
phenyl
propionic acid
prepared
acid esters
tetrahydrofuryl
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
GB4561962A
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.)
Chemische Werke Witten GmbH
Original Assignee
Chemische Werke Witten GmbH
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
Priority claimed from DEC25686A external-priority patent/DE1155766B/en
Application filed by Chemische Werke Witten GmbH filed Critical Chemische Werke Witten GmbH
Publication of GB960753A publication Critical patent/GB960753A/en
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
    • C07D307/04—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
    • C07D307/18—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no 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
    • C07D307/24—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen
    • 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
    • C07D307/04—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
    • C07D307/10—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members with substituted hydrocarbon radicals attached to ring carbon atoms
    • C07D307/16—Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

The invention comprises b -[2-(5-phenyl)-tetrahydrofuryl]-propionic acid esters of formula: <FORM:0960753/C1/1> in which R is an aliphatic group with 2 to 8 carbon atoms, specifically butyl b -[2-(5-phenyl)-tetrahydrofuryl] propionate, and also g -phenyl-propyl-g -butyrolactone, which are prepared by the hydrogenation of a b -[2-(5-phenyl)-furyl]-propionic acid ester of the formula: <FORM:0960753/C1/2> in the presence of palladium, platinum or nickel as hydrogenation catalyst. The reaction may be in the presence of a solvent or diluent and more drastic conditions favour the formation of the lactone and the esters and lactone are separated by fractional distillation. In examples the g -phenylpropyl-g -butyrolactone is prepared using palladium on charcoal, platinum oxide and Raney nickel catalysts, and the ester is prepared using a Raney nickel catalyst at 90 atmospheres and 150 DEG C. Specification 948,893 is referred to.
GB4561962A 1961-12-06 1962-12-03 Improvements in or relating to propionic acid esters Expired GB960753A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEC0025677 1961-12-06
DEC25686A DE1155766B (en) 1961-12-07 1961-12-07 Process for the preparation of ª-phenylpropyl-ª-butyrolactone by hydrogenation of ª-[2-(5-phenyl)-furyl]-propionic acid esters

Publications (1)

Publication Number Publication Date
GB960753A true GB960753A (en) 1964-06-17

Family

ID=25969480

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4561962A Expired GB960753A (en) 1961-12-06 1962-12-03 Improvements in or relating to propionic acid esters

Country Status (1)

Country Link
GB (1) GB960753A (en)

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