ES8107144A1 - Procedimiento para la preparacion de cloruro de acido g-clo-roacetoacetico - Google Patents

Procedimiento para la preparacion de cloruro de acido g-clo-roacetoacetico

Info

Publication number
ES8107144A1
ES8107144A1 ES496428A ES496428A ES8107144A1 ES 8107144 A1 ES8107144 A1 ES 8107144A1 ES 496428 A ES496428 A ES 496428A ES 496428 A ES496428 A ES 496428A ES 8107144 A1 ES8107144 A1 ES 8107144A1
Authority
ES
Spain
Prior art keywords
gamma
diketene
chlorine
chloroaceto
preparation
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
ES496428A
Other languages
English (en)
Other versions
ES496428A0 (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.)
Lonza AG
Original Assignee
Lonza AG
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 Lonza AG filed Critical Lonza AG
Publication of ES8107144A1 publication Critical patent/ES8107144A1/es
Publication of ES496428A0 publication Critical patent/ES496428A0/es
Granted legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/58Preparation of carboxylic acid halides

Abstract

PROCEDIMIENTO PARA LA OBTENCION DE CLORURO DE ACIDO GAMMA-CLOROACETOACETICO A PARTIR DE CLORO Y DICETENA. SE INTRODUCEN DE MODO CONTINUO EN ISOCORRIENTE EN UN REACTOR TUBULAR UNA DISOLUCION DE CLORO Y OTRA DE DICETENA EN EL MISMO DISOLVENTE INERTE, UN HIDROCARBURO CLORADO, EN UNA PROPORCION MOLAR DE CLORO A DICETENA DE 0,9:1 A 0,9:1,2, MEZCLANDOSE AMBAS DISOLUCIONES INMEDIATAMENTE Y PRODUCIENDOSE UNA CIRCULACION TURBULENTA. TANTO LA DISOLUCION DE CLORO COMO DE DICETENA SON DEL 1 AL 15 POR 100. EL TUBO DE REACCION SE ENFRIA DESDE EL EXTERIOR MEDIANTE SALMUERA, DE MODO QUE SE CONSIGA UNA TEMPERATURA DE REACCION INFERIOR AL PUNTO DE EBULLICION DEL DISOLVENTE. EL PRODUCTO DE REACCION SE SEPARA POR DESTILACION.
ES496428A 1979-11-01 1980-10-31 Procedimiento para la preparacion de cloruro de acido g-clo-roacetoacetico Granted ES496428A0 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH980379A CH642611A5 (de) 1979-11-01 1979-11-01 Verfahren zur herstellung von gamma-chloracetessigsaeurechlorid.

Publications (2)

Publication Number Publication Date
ES8107144A1 true ES8107144A1 (es) 1981-10-01
ES496428A0 ES496428A0 (es) 1981-10-01

Family

ID=4355809

Family Applications (1)

Application Number Title Priority Date Filing Date
ES496428A Granted ES496428A0 (es) 1979-11-01 1980-10-31 Procedimiento para la preparacion de cloruro de acido g-clo-roacetoacetico

Country Status (15)

Country Link
EP (1) EP0028709B1 (es)
JP (1) JPS5675454A (es)
AR (1) AR223902A1 (es)
AT (1) ATE17712T1 (es)
BR (1) BR8006943A (es)
CA (1) CA1159085A (es)
CH (1) CH642611A5 (es)
CS (1) CS215076B2 (es)
DD (1) DD153825A5 (es)
DE (1) DE3071396D1 (es)
ES (1) ES496428A0 (es)
HU (1) HU185915B (es)
MX (1) MX155608A (es)
PL (1) PL126702B1 (es)
ZA (1) ZA806349B (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6025955A (ja) * 1983-07-22 1985-02-08 Nippon Synthetic Chem Ind Co Ltd:The γ−クロルアセト酢酸エステルの製造方法
CH666483A5 (de) * 1985-01-16 1988-07-29 Lonza Ag Verfahren zur herstellung von thiotetronsaeure.
CH667655A5 (de) * 1986-09-24 1988-10-31 Lonza Ag Verfahren zur herstellung von 4-alkoxy-2(5h)-thiophenonen.
US5258523A (en) * 1991-06-28 1993-11-02 Lonza Ltd. Process for the production of 2-aryl-2H-1,2,3-triazoles

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3950412A (en) * 1971-06-08 1976-04-13 Lonza Ltd. Method for the production of haloacetoacetic acids
US3769338A (en) * 1971-11-09 1973-10-30 Ethyl Corp Process for synthesizing citric acid
JPS4936210A (es) * 1972-08-04 1974-04-04
JPS5823373B2 (ja) * 1975-03-27 1983-05-14 日本合成化学工業株式会社 ガンマ− − クロルアセトサクサンクロライドノセイゾウホウホウ

Also Published As

Publication number Publication date
DE3071396D1 (en) 1986-03-13
EP0028709A1 (de) 1981-05-20
CS215076B2 (en) 1982-07-30
ATE17712T1 (de) 1986-02-15
DD153825A5 (de) 1982-02-03
BR8006943A (pt) 1981-05-05
ES496428A0 (es) 1981-10-01
CA1159085A (en) 1983-12-20
JPS5675454A (en) 1981-06-22
MX155608A (es) 1988-04-06
ZA806349B (en) 1981-10-28
AR223902A1 (es) 1981-09-30
HU185915B (en) 1985-04-28
PL227594A1 (es) 1981-06-19
CH642611A5 (de) 1984-04-30
JPH0244825B2 (es) 1990-10-05
PL126702B1 (en) 1983-08-31
EP0028709B1 (de) 1986-01-29

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970303