JPS51113824A - Preparation of gamma-chloroacetoacetyl chloride - Google Patents

Preparation of gamma-chloroacetoacetyl chloride

Info

Publication number
JPS51113824A
JPS51113824A JP3760875A JP3760875A JPS51113824A JP S51113824 A JPS51113824 A JP S51113824A JP 3760875 A JP3760875 A JP 3760875A JP 3760875 A JP3760875 A JP 3760875A JP S51113824 A JPS51113824 A JP S51113824A
Authority
JP
Japan
Prior art keywords
preparation
gamma
chloroacetoacetyl chloride
isomer
chloroacetoacetyl
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.)
Granted
Application number
JP3760875A
Other languages
Japanese (ja)
Other versions
JPS5823373B2 (en
Inventor
Kunihiko Sekiyama
Noriyoshi Numamoto
Shuji Ueda
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.)
Nippon Synthetic Chemical Industry Co Ltd
Original Assignee
Nippon Synthetic Chemical Industry Co 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 Nippon Synthetic Chemical Industry Co Ltd filed Critical Nippon Synthetic Chemical Industry Co Ltd
Priority to JP3760875A priority Critical patent/JPS5823373B2/en
Publication of JPS51113824A publication Critical patent/JPS51113824A/en
Publication of JPS5823373B2 publication Critical patent/JPS5823373B2/en
Expired legal-status Critical Current

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

PURPOSE: Preparation of high-quality ae-chloroacetoacetyl chloride free from α-isomer by the reaction of diketene with chlorine gas in the wetted wall column, which allows easier heat elimination and reaction control, and eliminates the formation of the α-isomer as byproduct.
COPYRIGHT: (C)1976,JPO&Japio
JP3760875A 1975-03-27 1975-03-27 Gamma - Chloracetosaxane chloride Expired JPS5823373B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3760875A JPS5823373B2 (en) 1975-03-27 1975-03-27 Gamma - Chloracetosaxane chloride

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3760875A JPS5823373B2 (en) 1975-03-27 1975-03-27 Gamma - Chloracetosaxane chloride

Publications (2)

Publication Number Publication Date
JPS51113824A true JPS51113824A (en) 1976-10-07
JPS5823373B2 JPS5823373B2 (en) 1983-05-14

Family

ID=12502286

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3760875A Expired JPS5823373B2 (en) 1975-03-27 1975-03-27 Gamma - Chloracetosaxane chloride

Country Status (1)

Country Link
JP (1) JPS5823373B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5675454A (en) * 1979-11-01 1981-06-22 Lonza Ag Manufacture of gammaachloroacetoacetic acid chloride
EP0037015A2 (en) * 1980-04-02 1981-10-07 Lonza Ag Process for the preparation of 2-chloro-acetoacetic acid esters
US4473508A (en) * 1982-11-13 1984-09-25 Lonza Ltd. Process for the production of γ-chloroacetoacetic acid chloride

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5675454A (en) * 1979-11-01 1981-06-22 Lonza Ag Manufacture of gammaachloroacetoacetic acid chloride
JPH0244825B2 (en) * 1979-11-01 1990-10-05 Lonza Ag
EP0037015A2 (en) * 1980-04-02 1981-10-07 Lonza Ag Process for the preparation of 2-chloro-acetoacetic acid esters
US4473508A (en) * 1982-11-13 1984-09-25 Lonza Ltd. Process for the production of γ-chloroacetoacetic acid chloride

Also Published As

Publication number Publication date
JPS5823373B2 (en) 1983-05-14

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