ES8703400A1 - Procedimiento para preparar cloroformatos de lactatos de alquilo. - Google Patents
Procedimiento para preparar cloroformatos de lactatos de alquilo.Info
- Publication number
- ES8703400A1 ES8703400A1 ES552008A ES552008A ES8703400A1 ES 8703400 A1 ES8703400 A1 ES 8703400A1 ES 552008 A ES552008 A ES 552008A ES 552008 A ES552008 A ES 552008A ES 8703400 A1 ES8703400 A1 ES 8703400A1
- Authority
- ES
- Spain
- Prior art keywords
- preparation
- acid esters
- chloropropionic acid
- optically active
- alkyl
- 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
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/30—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
- C07C67/307—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by introduction of halogen; by substitution of halogen atoms by other halogen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C68/00—Preparation of esters of carbonic or haloformic acids
- C07C68/02—Preparation of esters of carbonic or haloformic acids from phosgene or haloformates
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
PROCEDIMIENTO PARA LA OBTENCION DE CLOROFORMATOS DE LACTATOS DE ETILO, DE FORMULA (I). CONSISTE EN LA REACCION DE UN LACTATO DE ALQUILO, DE FORMULA (II), CON EXCESO DE FOSGENO PARA FORMAR UN COMPUESTO DE FORMULA (I), EN LA QUE R ES ALQUILO DE 1 A 6 ATOMOS DE CARBONO. LA REACCION SE LLEVA A CABO EN UN DISOLVENTE INERTE COMO DICLOROMETANO, EN PRESENCIA DE UNA BASE TERCIARIA, A UNA TEMPERATURA ENTRE C5JC Y 10JC. ESTOS COMPUESTOS TIENEN APLICACIONES COMO INTERMEDIOS EN LA SINTESIS DE COMPUESTOS CON PROPIEDADES HERBICIDAS.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB848413155A GB8413155D0 (en) | 1984-05-23 | 1984-05-23 | Chemical process |
Publications (2)
Publication Number | Publication Date |
---|---|
ES552008A0 ES552008A0 (es) | 1987-02-16 |
ES8703400A1 true ES8703400A1 (es) | 1987-02-16 |
Family
ID=10561390
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES543432A Expired ES8609199A1 (es) | 1984-05-23 | 1985-05-23 | Procedimiento para preparar esteres de acido 2-cloropropio- nico |
ES552008A Expired ES8703400A1 (es) | 1984-05-23 | 1986-02-14 | Procedimiento para preparar cloroformatos de lactatos de alquilo. |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES543432A Expired ES8609199A1 (es) | 1984-05-23 | 1985-05-23 | Procedimiento para preparar esteres de acido 2-cloropropio- nico |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0163435B1 (es) |
JP (1) | JPS60255752A (es) |
AT (1) | ATE38220T1 (es) |
AU (1) | AU578468B2 (es) |
DE (1) | DE3565828D1 (es) |
DK (1) | DK231085A (es) |
ES (2) | ES8609199A1 (es) |
GB (2) | GB8413155D0 (es) |
ZA (1) | ZA853533B (es) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4780556A (en) * | 1987-02-06 | 1988-10-25 | Sumitomo Chemical Company, Limited | Method for producing chlorosilanes |
FR2642204B1 (es) * | 1989-01-23 | 1991-04-12 | Rhone Poulenc Chimie | |
EP0789020B1 (en) * | 1996-02-01 | 2000-04-12 | Sumitomo Chemical Company, Limited | Process for producing dioxoquinazolines |
US7696371B2 (en) * | 2004-10-19 | 2010-04-13 | Sabic Innovative Plastics Ip B.V. | Method for the prepration of aliphatic chloroformates |
DE102006027089A1 (de) * | 2006-06-08 | 2007-12-13 | Bayer Cropscience Ag | Verfahren zur Herstellung von fluorierten Molekülen |
CN110002947B (zh) * | 2019-04-28 | 2022-03-01 | 泉州宇极新材料科技有限公司 | 一氟烷烃的制备方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2459221A1 (fr) * | 1979-06-20 | 1981-01-09 | Rhone Poulenc Agrochimie | Procede de preparation de chloro-2 propionate d'alcoyle par chloration de lactate d'alcoyle |
GB2055802A (en) * | 1979-08-07 | 1981-03-11 | Ici Ltd | Process for the preparation of the optical isomers of alpha -chloro (or bromo) propionic acid esters |
IT1135000B (it) * | 1981-01-12 | 1986-08-20 | Montedison Spa | Colorformiati di esteri alchilici di acidi c-alchil-tartronici e loro processo di preparazione |
-
1984
- 1984-05-23 GB GB848413155A patent/GB8413155D0/en active Pending
-
1985
- 1985-05-02 AT AT85303150T patent/ATE38220T1/de not_active IP Right Cessation
- 1985-05-02 EP EP85303150A patent/EP0163435B1/en not_active Expired
- 1985-05-02 GB GB08511206A patent/GB2163743B/en not_active Expired
- 1985-05-02 DE DE8585303150T patent/DE3565828D1/de not_active Expired
- 1985-05-09 ZA ZA853533A patent/ZA853533B/xx unknown
- 1985-05-15 AU AU42500/85A patent/AU578468B2/en not_active Ceased
- 1985-05-23 ES ES543432A patent/ES8609199A1/es not_active Expired
- 1985-05-23 JP JP60109492A patent/JPS60255752A/ja active Pending
- 1985-05-23 DK DK231085A patent/DK231085A/da not_active Application Discontinuation
-
1986
- 1986-02-14 ES ES552008A patent/ES8703400A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
AU578468B2 (en) | 1988-10-27 |
EP0163435B1 (en) | 1988-10-26 |
ATE38220T1 (de) | 1988-11-15 |
JPS60255752A (ja) | 1985-12-17 |
ES8609199A1 (es) | 1986-07-16 |
DE3565828D1 (de) | 1988-12-01 |
AU4250085A (en) | 1985-11-28 |
ZA853533B (en) | 1986-03-26 |
EP0163435A3 (en) | 1987-01-07 |
ES543432A0 (es) | 1986-07-16 |
ES552008A0 (es) | 1987-02-16 |
GB8413155D0 (en) | 1984-06-27 |
DK231085D0 (da) | 1985-05-23 |
GB2163743A (en) | 1986-03-05 |
GB8511206D0 (en) | 1985-06-12 |
DK231085A (da) | 1985-11-24 |
GB2163743B (en) | 1987-10-07 |
EP0163435A2 (en) | 1985-12-04 |
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