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ES460814A1 - Un procedimiento para la preparacion de una lactona. - Google Patents

Un procedimiento para la preparacion de una lactona.

Info

Publication number
ES460814A1
ES460814A1 ES460814A ES460814A ES460814A1 ES 460814 A1 ES460814 A1 ES 460814A1 ES 460814 A ES460814 A ES 460814A ES 460814 A ES460814 A ES 460814A ES 460814 A1 ES460814 A1 ES 460814A1
Authority
ES
Spain
Prior art keywords
formula
compound
butyrolactione
preparation
lactones
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
ES460814A
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.)
Cheminova AS
Original Assignee
Cheminova AS
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 Cheminova AS filed Critical Cheminova AS
Publication of ES460814A1 publication Critical patent/ES460814A1/es
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
    • C07D307/26—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
    • C07D307/30—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member 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
    • C07D307/32—Oxygen atoms
    • C07D307/33—Oxygen atoms in position 2, the oxygen atom being in its keto or unsubstituted enol form
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D303/00—Compounds containing three-membered rings having one oxygen atom as the only ring hetero atom
    • C07D303/02—Compounds containing oxirane rings
    • C07D303/08—Compounds containing oxirane rings with hydrocarbon radicals, substituted by halogen atoms, nitro radicals or nitroso radicals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

Un procedimiento para la preparación de una lactona de la fórmula: (ver fórmula I) en la que R1 y R2; que pueden ser iguales o diferentes, son hidrógeno o un grupo alcohilo que tiene 1 a 6 átomos de carbono, R3 y R4, que pueden ser iguales o diferentes, son hidrógeno, un grupo alcohilo que tiene 1 a 6 átomos de carbono, o un átomo de halógeno, o bien, junto con el átomo de carbono al que están unidos aquéllos, forman un grupo cicloalcohilideno que tiene hasta 8 átomos de carbono, y R5 es un grupo alcohilo que tiene 1 a 6 átomos de carbono, o un átomo de halógeno, o bien, junto con el átomo de carbono al que están unidos aquéllos, forman un grupo cicloalcohileno que tiene hasta 8 átomos de carbono.
ES460814A 1976-07-19 1977-07-16 Un procedimiento para la preparacion de una lactona. Expired ES460814A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3003676A GB1523816A (en) 1976-07-19 1976-07-19 Preparation of (2,2-disubstituted vinyl)-y-butyrolactione

Publications (1)

Publication Number Publication Date
ES460814A1 true ES460814A1 (es) 1978-04-16

Family

ID=10301240

Family Applications (1)

Application Number Title Priority Date Filing Date
ES460814A Expired ES460814A1 (es) 1976-07-19 1977-07-16 Un procedimiento para la preparacion de una lactona.

Country Status (9)

Country Link
JP (1) JPS5312850A (es)
BE (1) BE856943A (es)
CH (1) CH621547A5 (es)
DE (2) DE2732455A1 (es)
ES (1) ES460814A1 (es)
FR (1) FR2359133A1 (es)
GB (1) GB1523816A (es)
IT (1) IT1077412B (es)
NL (1) NL7707830A (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1078770B (it) * 1976-01-21 1985-05-08 Cheminova As Procedimento per produrre (vinil-2,2-bisostituito)gamma-butirro-lattoni e prodotti ottenuti
DE2710151A1 (de) * 1977-03-09 1978-09-14 Bayer Ag Verfahren zur herstellung von dihalogenvinyl-gamma-butyrolactonen
DE2747824A1 (de) * 1977-10-26 1979-05-03 Bayer Ag Verfahren zur herstellung von halogenvinyl-gamma-butyrolactonen
JPS55105572A (en) * 1979-02-07 1980-08-13 Fujitsu Ltd Printing mechanism
US4276218A (en) 1979-08-16 1981-06-30 Bayer Aktiengesellschaft Preparation of dihalogenovinyl-γ-butyrolactones
FR2486522A1 (fr) * 1980-07-08 1982-01-15 Ugine Kuhlmann Procede de preparation de iodo alcools a chaine polyfluoroalkyle

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL275929A (es) *
FR2110782A5 (es) * 1970-10-30 1972-06-02 Roure Bertrand Dupont Sa
IT1078770B (it) * 1976-01-21 1985-05-08 Cheminova As Procedimento per produrre (vinil-2,2-bisostituito)gamma-butirro-lattoni e prodotti ottenuti
GB1503857A (en) * 1976-05-25 1978-03-15 Cheminova As Production of chrysanthemic acid esters and homologues thereof
DE2710151A1 (de) * 1977-03-09 1978-09-14 Bayer Ag Verfahren zur herstellung von dihalogenvinyl-gamma-butyrolactonen

Also Published As

Publication number Publication date
CH621547A5 (en) 1981-02-13
IT1077412B (it) 1985-05-04
DE2732456A1 (de) 1978-01-26
JPS5312850A (en) 1978-02-04
FR2359133A1 (fr) 1978-02-17
BE856943A (fr) 1977-11-14
DE2732455A1 (de) 1978-01-26
GB1523816A (en) 1978-09-06
NL7707830A (nl) 1978-01-23

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19971201