GB666720A - Improvements in or relating to the preparation of phenols - Google Patents

Improvements in or relating to the preparation of phenols

Info

Publication number
GB666720A
GB666720A GB7170/49A GB717049A GB666720A GB 666720 A GB666720 A GB 666720A GB 7170/49 A GB7170/49 A GB 7170/49A GB 717049 A GB717049 A GB 717049A GB 666720 A GB666720 A GB 666720A
Authority
GB
United Kingdom
Prior art keywords
phenols
prepared
salts
reaction mixture
relating
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
GB7170/49A
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.)
Directie van de Staatsmijnen in Limburg
Original Assignee
Directie van de Staatsmijnen in Limburg
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 Directie van de Staatsmijnen in Limburg filed Critical Directie van de Staatsmijnen in Limburg
Publication of GB666720A publication Critical patent/GB666720A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/01—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by replacing functional groups bound to a six-membered aromatic ring by hydroxy groups, e.g. by hydrolysis
    • C07C37/04—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by replacing functional groups bound to a six-membered aromatic ring by hydroxy groups, e.g. by hydrolysis by substitution of SO3H groups or a derivative thereof

Landscapes

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

Abstract

Phenols are prepared from salts of sulphonic acids by treatment with steam and calcium hydroxide in a process in which the reaction mixture is prepared by the action of quick-lime on the aqueous sulphonate followed by drying, if necessary. Other salts, e.g. potassium chloride, may be added to the reaction mixture. Phenols mentioned are cresols, poly-phenols, e.g. resorcinol, and naphthols. In the examples: (3) phenol is prepared by the process from sodium or potassium benzenesulphonate. Specifications 554,878 and 666,589 are referred to.
GB7170/49A 1948-03-17 1949-03-16 Improvements in or relating to the preparation of phenols Expired GB666720A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL666720X 1948-03-17

Publications (1)

Publication Number Publication Date
GB666720A true GB666720A (en) 1952-02-20

Family

ID=19798770

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7170/49A Expired GB666720A (en) 1948-03-17 1949-03-16 Improvements in or relating to the preparation of phenols

Country Status (1)

Country Link
GB (1) GB666720A (en)

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