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
Application number
ES552008A
Other languages
English (en)
Other versions
ES552008A0 (es
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Publication of ES552008A0 publication Critical patent/ES552008A0/es
Publication of ES8703400A1 publication Critical patent/ES8703400A1/es
Expired legal-status Critical Current

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.
ES552008A 1984-05-23 1986-02-14 Procedimiento para preparar cloroformatos de lactatos de alquilo. Expired ES8703400A1 (es)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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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