GB1258550A - - Google Patents

Info

Publication number
GB1258550A
GB1258550A GB1258550DA GB1258550A GB 1258550 A GB1258550 A GB 1258550A GB 1258550D A GB1258550D A GB 1258550DA GB 1258550 A GB1258550 A GB 1258550A
Authority
GB
United Kingdom
Prior art keywords
trichlorophenyl
sulphate
trichlorophenol
hexachlorophene
formaldehyde
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
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 filed Critical
Publication of GB1258550A publication Critical patent/GB1258550A/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
    • C07C37/115—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 acetals
    • 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
    • C07C37/16—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 by condensation involving hydroxy groups of phenols or alcohols or the ether or mineral ester group derived therefrom

Landscapes

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

Abstract

1,258,550. Production of hexachlorophene. CENTERCHEM Inc. 13 Oct., 1970 [9 March, 1970], No. 48561/70. Heading C2C. Hexachlorophene is prepared by reacting substantially equimolar amounts of 2,4,5-triehlorophenol, formaldehyde and 2,4,5-trichlorophenyl sulphate in a solvent in which the 2,4,5- trichlorophenyl sulphate has been prepared in situ by reacting 2,4,5-trichlorophenol with a sulphating agent. The reaction between 2,4,5- trichlorophenyl sulphate, 2,4,5-trichlorophenol and formaldehyde is preferably effected at 35‹ to 60‹ C. The preferred solvents are methylene chloride, ethylene chloride, chloroform, perchloroethylene, diethyl ether, dipropyl ether or dibutyl ether.
GB1258550D 1970-03-09 1970-10-13 Expired GB1258550A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1787070A 1970-03-09 1970-03-09

Publications (1)

Publication Number Publication Date
GB1258550A true GB1258550A (en) 1971-12-30

Family

ID=21784993

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1258550D Expired GB1258550A (en) 1970-03-09 1970-10-13

Country Status (3)

Country Link
DE (1) DE2050991A1 (en)
FR (1) FR2083879A5 (en)
GB (1) GB1258550A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0745575A1 (en) * 1995-06-02 1996-12-04 Fuji Photo Film Co., Ltd. Method of synthesizing polyphenol compound and positive working photoresist composition comprising polyphenol compound

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0745575A1 (en) * 1995-06-02 1996-12-04 Fuji Photo Film Co., Ltd. Method of synthesizing polyphenol compound and positive working photoresist composition comprising polyphenol compound
US5853949A (en) * 1995-06-02 1998-12-29 Fuji Photo Film Co., Ltd. Method of synthesizing polyphenol compound and positive working photoresist composition comprising polyphenol compound

Also Published As

Publication number Publication date
DE2050991A1 (en) 1971-09-23
FR2083879A5 (en) 1971-12-17

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees
PCNP Patent ceased through non-payment of renewal fee