GB672104A - Improvements in or relating to esters of 2,4-dichlorophenoxy acetic acid - Google Patents

Improvements in or relating to esters of 2,4-dichlorophenoxy acetic acid

Info

Publication number
GB672104A
GB672104A GB1397650A GB1397650A GB672104A GB 672104 A GB672104 A GB 672104A GB 1397650 A GB1397650 A GB 1397650A GB 1397650 A GB1397650 A GB 1397650A GB 672104 A GB672104 A GB 672104A
Authority
GB
United Kingdom
Prior art keywords
propanol
propoxy
esters
acid
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
GB1397650A
Inventor
Edgar C Britton
Louis E Begin
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.)
Dow Chemical Co
Original Assignee
Dow Chemical Co
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 Dow Chemical Co filed Critical Dow Chemical Co
Priority to GB1397650A priority Critical patent/GB672104A/en
Publication of GB672104A publication Critical patent/GB672104A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
    • C07C69/66—Esters of carboxylic acids having esterified carboxylic groups bound to acyclic carbon atoms and having any of the groups OH, O—metal, —CHO, keto, ether, acyloxy, groups, groups, or in the acid moiety
    • C07C69/67—Esters of carboxylic acids having esterified carboxylic groups bound to acyclic carbon atoms and having any of the groups OH, O—metal, —CHO, keto, ether, acyloxy, groups, groups, or in the acid moiety of saturated acids
    • C07C69/708—Ethers
    • C07C69/712—Ethers the hydroxy group of the ester being etherified with a hydroxy compound having the hydroxy group bound to a carbon atom of a six-membered aromatic ring

Landscapes

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

Abstract

Esters of 2 : 4-dichlorophenoxyacetic acid in which the ester group is an alkyl (1-4 C) monoether of mono-dipropylene glycol are obtained by condensing the acid with at least one molecular proportion of the glycol alkyl monoether in presence of dehydration catalysts, if desired in presence of a water-immiscible solvent. In examples, 2 : 4-dichlorophenoxyacetic acid is condensed with propoxy-propoxypropanol, 1 - butoxy - 2 - propanol, butoxy - propoxy-propanol, 1-isopropoxy and 1-propoxy-2-propanol, and 2-methoxy-1-propanol, to give the corresponding esters. Other etherifying alcohol-ethers specified include:-ethoxy-propanol, propoxy-propanol, methoxy-propoxypropanol, and ethoxy-propoxy-propanol; glycol alkyl ethers employed as above are obtained by reaction of propylene oxide with an aliphatic alcohol in presence of an acid or alkaline catalyst.
GB1397650A 1950-06-05 1950-06-05 Improvements in or relating to esters of 2,4-dichlorophenoxy acetic acid Expired GB672104A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1397650A GB672104A (en) 1950-06-05 1950-06-05 Improvements in or relating to esters of 2,4-dichlorophenoxy acetic acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1397650A GB672104A (en) 1950-06-05 1950-06-05 Improvements in or relating to esters of 2,4-dichlorophenoxy acetic acid

Publications (1)

Publication Number Publication Date
GB672104A true GB672104A (en) 1952-05-14

Family

ID=10032778

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1397650A Expired GB672104A (en) 1950-06-05 1950-06-05 Improvements in or relating to esters of 2,4-dichlorophenoxy acetic acid

Country Status (1)

Country Link
GB (1) GB672104A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2119685A1 (en) * 1996-06-18 1998-10-01 Consejo Superior De Investiaga Process for obtaining 2,4-dichlorophenoxyacetic acid (2,4- D) in the dry phase

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2119685A1 (en) * 1996-06-18 1998-10-01 Consejo Superior De Investiaga Process for obtaining 2,4-dichlorophenoxyacetic acid (2,4- D) in the dry phase

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