GB573377A - Manufacture of 2:4:5-trichlorophenylacetic acid - Google Patents

Manufacture of 2:4:5-trichlorophenylacetic acid

Info

Publication number
GB573377A
GB573377A GB10418/43A GB1041843A GB573377A GB 573377 A GB573377 A GB 573377A GB 10418/43 A GB10418/43 A GB 10418/43A GB 1041843 A GB1041843 A GB 1041843A GB 573377 A GB573377 A GB 573377A
Authority
GB
United Kingdom
Prior art keywords
manufacture
trichlorophenylacetic acid
boiling
ethyl alcohol
trichlorobenzyl
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
GB10418/43A
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Publication of GB573377A publication Critical patent/GB573377A/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
    • C07C51/08—Preparation of carboxylic acids or their salts, halides or anhydrides from nitriles

Landscapes

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

Abstract

2 : 4 : 5-Trichlorobenzyl cyanide is prepared by boiling 2 : 4 : 5-trichlorobenzyl chloride with sodium cyanide and ethyl alcohol. This is hydrolysed by boiling with sodium hydroxide and ethyl alcohol and 2 : 4 : 5-trichlorophenyl acetic acid precipitated by acidification.
GB10418/43A 1943-06-28 1943-06-28 Manufacture of 2:4:5-trichlorophenylacetic acid Expired GB573377A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB261899X 1943-06-28

Publications (1)

Publication Number Publication Date
GB573377A true GB573377A (en) 1945-11-19

Family

ID=10239735

Family Applications (1)

Application Number Title Priority Date Filing Date
GB10418/43A Expired GB573377A (en) 1943-06-28 1943-06-28 Manufacture of 2:4:5-trichlorophenylacetic acid

Country Status (3)

Country Link
BE (1) BE461165A (en)
CH (1) CH261899A (en)
GB (1) GB573377A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2790748A (en) * 1952-05-13 1957-04-30 Schering Corp Contrast agent
DE1080998B (en) * 1957-10-24 1960-05-05 Hooker Chemical Corp Process for the preparation of the herbicide 2, 3, 6-tri-chlorophenyl acetic acid or its salts, esters, amides or halides
US3225087A (en) * 1960-03-21 1965-12-21 Hooker Chemical Corp Process for production of sodium 2,3,6-trichlorophenylacetate

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2790748A (en) * 1952-05-13 1957-04-30 Schering Corp Contrast agent
DE1080998B (en) * 1957-10-24 1960-05-05 Hooker Chemical Corp Process for the preparation of the herbicide 2, 3, 6-tri-chlorophenyl acetic acid or its salts, esters, amides or halides
US3225087A (en) * 1960-03-21 1965-12-21 Hooker Chemical Corp Process for production of sodium 2,3,6-trichlorophenylacetate

Also Published As

Publication number Publication date
CH261899A (en) 1949-06-15
BE461165A (en)

Similar Documents

Publication Publication Date Title
GB573377A (en) Manufacture of 2:4:5-trichlorophenylacetic acid
GB455556A (en) Improvements relating to the production of coloured photographic pictures
GB380563A (en) Manufacture of 6-bromo-2-hydroxynaphthalene and 4:6-dibromo-2-hydroxynaphthalene
GB573477A (en) Improvements in or relating to the manufacture of chlorocresols
AU118051B2 (en) Improvements inthe concentration of aqueous acetic acid
AU118530B2 (en) Improvements inthe manufacture of acetic acid
FR896597A (en) Absorption of hydrochloric acid
GB474842A (en) Process of obtaining a new thio-barbituric acid compound
GB615827A (en) Improvements in lamp-holders combined with suspension tubes
GB571049A (en) Manufacture of salts of n-dimethylacroyl-p-aminobenzene sulphonamide
GB583307A (en) Improvements in or relating to the manufacture of ethyl-acetyl-amino-malonate and ethyl-acetyl-amino-cyano-acetate
GB580496A (en) Production of coloured photographic images
AU119604B2 (en) Improvements inthe manufacture of acetic anhydride
AU117091B2 (en) Improvements inthe manufacture of keto-alcohol acetates
AU125659B2 (en) Improvements relating tothe treatment of water with lime
AU117756B2 (en) Improvements inthe manufacture of sodium bicarbonate
AU119423B2 (en) Improvements relating tothe production of coloured photographic images
GB569221A (en) Making 5-sulphathiazole
ES195444A1 (en) A PROCEDURE FOR OBTAINING BETA-INDOLBUTYRIC ACID, INTENDED FOR SPECIFIC TREATMENT IN AGRICULTURE
AU118922B2 (en) Treatment of carbon black
AU130438B2 (en) Manufacture of acyloxy-carboxylic acids and salts thereof
CA416065A (en) Preparation of carbonate salts of calcium and magnesium
AU120701B2 (en) Improvements relating tothe treatment of water andother aqueous solutions of electrolytes
AU574042A (en) Improvements inthe manufacture of keto-alcohol acetates
AU1831744A (en) Improvements relating tothe treatment of water with lime