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CH484039A - Process for the preparation of acetoacetic acid esters and device for carrying out the process - Google Patents

Process for the preparation of acetoacetic acid esters and device for carrying out the process

Info

Publication number
CH484039A
CH484039A CH1793367A CH1793367A CH484039A CH 484039 A CH484039 A CH 484039A CH 1793367 A CH1793367 A CH 1793367A CH 1793367 A CH1793367 A CH 1793367A CH 484039 A CH484039 A CH 484039A
Authority
CH
Switzerland
Prior art keywords
preparation
carrying
acid esters
acetoacetic acid
acetoacetic
Prior art date
Application number
CH1793367A
Other languages
German (de)
Inventor
Hirsch Lothar
Hoernig Lothar
Pechtold Nikolaus
Probst Otto
Original Assignee
Hoechst 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 Hoechst Ag filed Critical Hoechst Ag
Publication of CH484039A publication Critical patent/CH484039A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/24—Stationary reactors without moving elements inside
    • B01J19/2415—Tubular reactors
    • B01J19/242—Tubular reactors in series
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/46—Preparation of carboxylic acid esters from ketenes or polyketenes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00054—Controlling or regulating the heat exchange system
    • B01J2219/00056—Controlling or regulating the heat exchange system involving measured parameters
    • B01J2219/00065—Pressure measurement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
    • B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
    • B01J2219/00101—Reflux columns
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00132—Controlling the temperature using electric heating or cooling elements

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CH1793367A 1966-12-24 1967-12-20 Process for the preparation of acetoacetic acid esters and device for carrying out the process CH484039A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF0051081 1966-12-24

Publications (1)

Publication Number Publication Date
CH484039A true CH484039A (en) 1970-01-15

Family

ID=7104322

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1793367A CH484039A (en) 1966-12-24 1967-12-20 Process for the preparation of acetoacetic acid esters and device for carrying out the process

Country Status (6)

Country Link
BE (1) BE708597A (en)
CH (1) CH484039A (en)
DE (1) DE1568655A1 (en)
FR (1) FR1549825A (en)
GB (1) GB1175240A (en)
NL (1) NL6716805A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2558517C2 (en) * 1975-12-24 1983-11-03 Basf Ag, 6700 Ludwigshafen Process for the preparation of isopropyl 4-methyl-imidazole-5-carboxylate
JPH01230547A (en) * 1988-01-14 1989-09-14 Takeda Chem Ind Ltd Production of tertiary butyl 3-oxobutyrate and use thereof

Also Published As

Publication number Publication date
DE1568655A1 (en) 1970-03-05
BE708597A (en) 1968-06-27
NL6716805A (en) 1968-06-25
GB1175240A (en) 1969-12-23
FR1549825A (en) 1968-12-13

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Legal Events

Date Code Title Description
PL Patent ceased