GB735216A - Improvements in or relating to the production of bis(hydroxyaryl) substituted alkanes - Google Patents

Improvements in or relating to the production of bis(hydroxyaryl) substituted alkanes

Info

Publication number
GB735216A
GB735216A GB23256/53A GB2325653A GB735216A GB 735216 A GB735216 A GB 735216A GB 23256/53 A GB23256/53 A GB 23256/53A GB 2325653 A GB2325653 A GB 2325653A GB 735216 A GB735216 A GB 735216A
Authority
GB
United Kingdom
Prior art keywords
hydroxyaryl
bis
relating
production
phenol
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
GB23256/53A
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.)
Bataafsche Petroleum Maatschappij NV
Original Assignee
Bataafsche Petroleum Maatschappij NV
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 Bataafsche Petroleum Maatschappij NV filed Critical Bataafsche Petroleum Maatschappij NV
Publication of GB735216A publication Critical patent/GB735216A/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
    • C07C37/11—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions increasing the number of carbon atoms
    • C07C37/20—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions increasing the number of carbon atoms using aldehydes or ketones

Landscapes

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

Abstract

The invention comprises a method of making bis-hydroxyaryl-alkanes, especially diphenylol propane, by the reaction between phenolic and carbonyl compounds in acidic medium in which the ratio of phenol to carbonyl compound is at least 10 : 1, and preferably 12 to 15 : 1, with or without mercaptans as additional catalysts, and continuously, if desired, preferably in two consecutive vessels. In an example a charge containing proportions of phenol and acetone of from 10 to 20 : 1 and a quantity of methyl mercaptan and hydrogen chloride was continuously treated at various temperatures in one or two reaction chambers, for various periods of time and the yields of diphenylol propane compared in a table. Specification 735,215 is referred to.
GB23256/53A 1952-08-25 1953-08-24 Improvements in or relating to the production of bis(hydroxyaryl) substituted alkanes Expired GB735216A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US735216XA 1952-08-25 1952-08-25

Publications (1)

Publication Number Publication Date
GB735216A true GB735216A (en) 1955-08-17

Family

ID=22114181

Family Applications (1)

Application Number Title Priority Date Filing Date
GB23256/53A Expired GB735216A (en) 1952-08-25 1953-08-24 Improvements in or relating to the production of bis(hydroxyaryl) substituted alkanes

Country Status (1)

Country Link
GB (1) GB735216A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2397383A1 (en) * 1977-07-11 1979-02-09 Shell Int Research PREPARATION OF BISPHENOLS

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2397383A1 (en) * 1977-07-11 1979-02-09 Shell Int Research PREPARATION OF BISPHENOLS

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