FR2162270A1 - Chloroformate esters prodn - by continuous reaction of alcohols with phosgene in aerosol phase - Google Patents

Chloroformate esters prodn - by continuous reaction of alcohols with phosgene in aerosol phase

Info

Publication number
FR2162270A1
FR2162270A1 FR7144016A FR7144016A FR2162270A1 FR 2162270 A1 FR2162270 A1 FR 2162270A1 FR 7144016 A FR7144016 A FR 7144016A FR 7144016 A FR7144016 A FR 7144016A FR 2162270 A1 FR2162270 A1 FR 2162270A1
Authority
FR
France
Prior art keywords
cocl2
esters
chloroformic acid
small
reactor
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
FR7144016A
Other languages
French (fr)
Other versions
FR2162270B1 (en
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.)
ESZAKMAGYARORSZAGI VEGYI HU
Original Assignee
ESZAKMAGYARORSZAGI VEGYI HU
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 ESZAKMAGYARORSZAGI VEGYI HU filed Critical ESZAKMAGYARORSZAGI VEGYI HU
Priority to FR7144016A priority Critical patent/FR2162270A1/en
Publication of FR2162270A1 publication Critical patent/FR2162270A1/en
Application granted granted Critical
Publication of FR2162270B1 publication Critical patent/FR2162270B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • 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)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

(A) Process for producing aliphatic, substituted aliphatic, cycloaliphatic, aromatic or araliphatic esters of chloroformic acid from the corresponding alcohols and COCl2, in which the reaction is carried out continuously in unidirectional flow in the aerosol phase under isothermal conditions and the chloroformic acid ester obtained is separated from HCl and excess COCl2. (B) Apparatus for carrying out the above process, consisting of a glass reactor column (1) which is divided into a reaction zone (2), a packed zone (3) and a condensation zone (4) and which is connected to means (5) for separating off the reaction mixture. Chloroformic acid esters are used in the pharmaceutical industry and other branches of the chemical industry (e.g. for producing compounds of the carbamate type). The esters are obtained in very good yields and very high purity. Residence times in the reactor are very short, so that small and therefore inexpensive apparatus can be used. In addition, only small amounts of substance are in the reactor at any one time and only a small proportion of this is COCl2, so that in the event of an accident only a small amount of COCl2 finds its way into the atmosphere.
FR7144016A 1971-12-08 1971-12-08 Chloroformate esters prodn - by continuous reaction of alcohols with phosgene in aerosol phase Granted FR2162270A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7144016A FR2162270A1 (en) 1971-12-08 1971-12-08 Chloroformate esters prodn - by continuous reaction of alcohols with phosgene in aerosol phase

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7144016A FR2162270A1 (en) 1971-12-08 1971-12-08 Chloroformate esters prodn - by continuous reaction of alcohols with phosgene in aerosol phase

Publications (2)

Publication Number Publication Date
FR2162270A1 true FR2162270A1 (en) 1973-07-20
FR2162270B1 FR2162270B1 (en) 1974-06-07

Family

ID=9087123

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7144016A Granted FR2162270A1 (en) 1971-12-08 1971-12-08 Chloroformate esters prodn - by continuous reaction of alcohols with phosgene in aerosol phase

Country Status (1)

Country Link
FR (1) FR2162270A1 (en)

Also Published As

Publication number Publication date
FR2162270B1 (en) 1974-06-07

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Legal Events

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