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
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.
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 (5)
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 |
FR2486522A1 (fr) * | 1980-07-08 | 1982-01-15 | Ugine Kuhlmann | Procede de preparation de iodo alcools a chaine polyfluoroalkyle |
Family Cites Families (5)
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 |
-
1976
- 1976-07-19 GB GB3003676A patent/GB1523816A/en not_active Expired
-
1977
- 1977-07-13 CH CH868277A patent/CH621547A5/fr not_active IP Right Cessation
- 1977-07-13 NL NL7707830A patent/NL7707830A/xx not_active Application Discontinuation
- 1977-07-16 ES ES460814A patent/ES460814A1/es not_active Expired
- 1977-07-18 DE DE19772732455 patent/DE2732455A1/de not_active Withdrawn
- 1977-07-18 DE DE19772732456 patent/DE2732456A1/de active Pending
- 1977-07-19 IT IT2587377A patent/IT1077412B/it active
- 1977-07-19 FR FR7722111A patent/FR2359133A1/fr not_active Withdrawn
- 1977-07-19 JP JP8574277A patent/JPS5312850A/ja active Pending
- 1977-07-19 BE BE179465A patent/BE856943A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPS5312850A (en) | 1978-02-04 |
NL7707830A (nl) | 1978-01-23 |
CH621547A5 (en) | 1981-02-13 |
GB1523816A (en) | 1978-09-06 |
IT1077412B (it) | 1985-05-04 |
BE856943A (fr) | 1977-11-14 |
FR2359133A1 (fr) | 1978-02-17 |
DE2732455A1 (de) | 1978-01-26 |
DE2732456A1 (de) | 1978-01-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB1266092A (es) | ||
GB1450994A (en) | Process for the preparation of a resin | |
ES460814A1 (es) | Un procedimiento para la preparacion de una lactona. | |
ES441912A1 (es) | Procedimiento para la preparacion de 1-monogliceridos de a- cidos carboxilicos muy puros. | |
GB1306182A (es) | ||
GB1033777A (en) | Bis-anilide derivatives | |
GB1512420A (en) | Cyclopropane-1-carboxylic acid derivatives for use as intermediates in the preparation of insecticides | |
GB1395802A (en) | Substituted benzamides and herbicidal uses thereof | |
BE829999A (fr) | Procede de synthese de l'ether-oxyde de bis (2-n,n-dimethylam ino)ethyle) | |
GB1471041A (en) | Bis-sulphonamidocarboxyclic acids and salts thereof and use of the salts as metal-working agents | |
ES341874A1 (es) | Procedimiento para la obtencion de indanil-n-metilcarbama- tos de efectos insecticidas. | |
AU6025180A (en) | Process | |
ES8203315A1 (es) | Procedimiento para la preparacion de compuestos de viniles- tilbeno | |
GB1119378A (en) | Dibenzocycloheptene derivatives | |
GB1463184A (en) | Method for the preparation of unsaturated ketones | |
GB1461149A (en) | Process for the manufacutre of y,gamma-unsaturated carbonyl compounds | |
GB1066117A (en) | Process for the manufacture of cyanoacetic acid esters | |
ES486377A1 (es) | Procedimiento para la preparacion de 5-mercapto-1,2,3-tria- zoles | |
KR860003191A (ko) | 에틸렌 옥사이드 부가물의 제조방법 | |
ES423985A1 (es) | Procedimiento para la preparacion de n,n-bis-(2-(3,4 - di- hidroxifenil)-2-hidroxietil)-hexametilendiamina y de sus sa-les por adicion de acido. | |
ES451930A1 (es) | Un procedimiento para la sintesis de 2,3-dimetoxi-5-metil- 1,4 - benzoquinonas 6-sustituidos. | |
GB1395657A (en) | Thiolcarbamic compounds and pesticidal compositions containing same | |
ES428011A1 (es) | Procedimiento para la preparacion de 2-amino-3,5-dibromo- bencilamina. | |
DK164871C (da) | Fremgangsmaade til fremstilling af 4'-o-tetrahydropyranyladriamycin b | |
ES464677A1 (es) | Procedimiento para la preparacion de esteres de acido carba-mico de alcoholes de alto punto de ebullicion. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 19971201 |