GB688004A - Improvements in carrying out photochemical chlorinations - Google Patents

Improvements in carrying out photochemical chlorinations

Info

Publication number
GB688004A
GB688004A GB12046/51A GB1204651A GB688004A GB 688004 A GB688004 A GB 688004A GB 12046/51 A GB12046/51 A GB 12046/51A GB 1204651 A GB1204651 A GB 1204651A GB 688004 A GB688004 A GB 688004A
Authority
GB
United Kingdom
Prior art keywords
chlorine
light
vessels
separate
hydrogen
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
GB12046/51A
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.)
BASF SE
Original Assignee
BASF SE
Badische Anilin and Sodafabrik 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 BASF SE, Badische Anilin and Sodafabrik AG filed Critical BASF SE
Publication of GB688004A publication Critical patent/GB688004A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
    • C07C51/363—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by introduction of halogen; by substitution of halogen atoms by other halogen atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
    • C07B39/00—Halogenation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/093—Preparation of halogenated hydrocarbons by replacement by halogens
    • C07C17/10—Preparation of halogenated hydrocarbons by replacement by halogens of hydrogen atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Saturated organic compounds, especially hydrocarbons, are chlorinated by irradiating a mixture of chlorine and the organic compound with light originating from another chlorination reaction, e.g. the reaction of hydrogen or finely-divided metals with chlorine. The two reactions may be carried out in the same vessel, or in separate vessels, e.g. concentric quartz tubes. A water jacket may separate the two vessels to prevent transfer of heat, or coloured filters may be interposed to modify the light radiation. Carbon tetrachloride and chloroform are obtained by reacting methane with chlorine under the influence of light from a chlorine-hydrogen flame.ALSO:Saturated organic compounds, especially hydrocabons, are chlorinated by irradiaing a mixture of chlorine and the organic compound with light originating from another chlorination reaction, e.g. the reaction of hydrogen or finely divided metals with chlorine. The two reactions may be carried out in the same vessel, or in separate vessels, e.g. concentric quartz tubes. A water jacket may separate the two vessels to prevent transfer of heat, or coloured filters may be interposed to modify the light radiation. Carbon tetrachloride and chloroform are obtained by reacting methane with chlorine under the influence of light from a chlorine-hydrogen flame.
GB12046/51A 1950-05-27 1951-05-23 Improvements in carrying out photochemical chlorinations Expired GB688004A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE688004X 1950-05-27

Publications (1)

Publication Number Publication Date
GB688004A true GB688004A (en) 1953-02-25

Family

ID=6598389

Family Applications (1)

Application Number Title Priority Date Filing Date
GB12046/51A Expired GB688004A (en) 1950-05-27 1951-05-23 Improvements in carrying out photochemical chlorinations

Country Status (2)

Country Link
FR (1) FR1037126A (en)
GB (1) GB688004A (en)

Also Published As

Publication number Publication date
FR1037126A (en) 1953-09-15

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