GB438820A - Process for the manufacture of ª‰-bromethylbenzene - Google Patents

Process for the manufacture of ª‰-bromethylbenzene

Info

Publication number
GB438820A
GB438820A GB2751534A GB2751534A GB438820A GB 438820 A GB438820 A GB 438820A GB 2751534 A GB2751534 A GB 2751534A GB 2751534 A GB2751534 A GB 2751534A GB 438820 A GB438820 A GB 438820A
Authority
GB
United Kingdom
Prior art keywords
bromethylbenzene
per cent
ethylbenzene
reaction
solution
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
GB2751534A
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.)
Rhone Poulenc SA
Original Assignee
Rhone Poulenc SA
Societe des Usines Chimiques Rhone Poulenc SA
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 Rhone Poulenc SA, Societe des Usines Chimiques Rhone Poulenc SA filed Critical Rhone Poulenc SA
Priority to GB2751534A priority Critical patent/GB438820A/en
Publication of GB438820A publication Critical patent/GB438820A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/07—Preparation of halogenated hydrocarbons by addition of hydrogen halides
    • C07C17/08—Preparation of halogenated hydrocarbons by addition of hydrogen halides to unsaturated hydrocarbons

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

b -Bromethylbenzene is manufactured by reacting hydrobromic acid above ordinary temperature with styrene in solution in a solvent which does not react with hydrobromic acid, e.g. ethylbenzene, chlorbenzene or bromobenzene. The reaction may be carried out in the presence of a catalyst of the peroxidic type, e.g. a peroxide or peracid. In examples: (1) hydrogen bromide is bubbled through ethylbenzene at 125 DEG C. to which a solution of styrene in ethylbenzene is added gradually; the product contains 63 per cent of a - and 30 per cent of b -bromethylbenzene; (2) the reaction of (1) is performed at 95 DEG C. in the presence of benzoylperoxide, the percentage of b -bromethylbenzene in the product being 92 per cent; (3) the reaction of (2) is carried out at 97--98 DEG C. in solution in chlorobenzene, the product containing 79 per cent of b -bromethylbenzene.
GB2751534A 1934-09-25 1934-09-25 Process for the manufacture of ª‰-bromethylbenzene Expired GB438820A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2751534A GB438820A (en) 1934-09-25 1934-09-25 Process for the manufacture of ª‰-bromethylbenzene

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2751534A GB438820A (en) 1934-09-25 1934-09-25 Process for the manufacture of ª‰-bromethylbenzene

Publications (1)

Publication Number Publication Date
GB438820A true GB438820A (en) 1935-11-25

Family

ID=10260821

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2751534A Expired GB438820A (en) 1934-09-25 1934-09-25 Process for the manufacture of ª‰-bromethylbenzene

Country Status (1)

Country Link
GB (1) GB438820A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2423497A (en) * 1942-11-04 1947-07-08 Du Pont Production of products having recurring arylethylene units with termini from a saturated halogenated alkane
US2440801A (en) * 1942-06-17 1948-05-04 Du Pont Process of reacting hydrogen chloride with olefinic compounds, and product

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2440801A (en) * 1942-06-17 1948-05-04 Du Pont Process of reacting hydrogen chloride with olefinic compounds, and product
US2423497A (en) * 1942-11-04 1947-07-08 Du Pont Production of products having recurring arylethylene units with termini from a saturated halogenated alkane

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