CA1162571A - Procede de preparation de l'acide 2-methoxy-3,6- dichlorobenzoique hautement purifie - Google Patents

Procede de preparation de l'acide 2-methoxy-3,6- dichlorobenzoique hautement purifie

Info

Publication number
CA1162571A
CA1162571A CA000376929A CA376929A CA1162571A CA 1162571 A CA1162571 A CA 1162571A CA 000376929 A CA000376929 A CA 000376929A CA 376929 A CA376929 A CA 376929A CA 1162571 A CA1162571 A CA 1162571A
Authority
CA
Canada
Prior art keywords
acid
methoxy
percent
weight
mixture
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
CA000376929A
Other languages
English (en)
Inventor
Sidney B. Richter
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.)
Velsicol Chemical LLC
Original Assignee
Velsicol Chemical LLC
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 Velsicol Chemical LLC filed Critical Velsicol Chemical LLC
Application granted granted Critical
Publication of CA1162571A publication Critical patent/CA1162571A/fr
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
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
    • C07C51/493—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification whereby carboxylic acid esters are formed
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C62/00—Compounds having carboxyl groups bound to carbon atoms of rings other than six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
    • C07C62/02—Saturated compounds containing hydroxy or O-metal groups
    • C07C62/04—Saturated compounds containing hydroxy or O-metal groups with a six-membered ring
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C63/00—Compounds having carboxyl groups bound to a carbon atoms of six-membered aromatic rings
    • C07C63/04—Monocyclic monocarboxylic acids
    • C07C63/06—Benzoic acid
    • C07C63/10—Halides thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)
CA000376929A 1980-06-11 1981-05-06 Procede de preparation de l'acide 2-methoxy-3,6- dichlorobenzoique hautement purifie Expired CA1162571A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15819680A 1980-06-11 1980-06-11
US158,196 1980-06-11

Publications (1)

Publication Number Publication Date
CA1162571A true CA1162571A (fr) 1984-02-21

Family

ID=22567061

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000376929A Expired CA1162571A (fr) 1980-06-11 1981-05-06 Procede de preparation de l'acide 2-methoxy-3,6- dichlorobenzoique hautement purifie

Country Status (17)

Country Link
JP (1) JPS5728028A (fr)
KR (1) KR850001156B1 (fr)
AT (1) AT374782B (fr)
AU (1) AU538334B2 (fr)
BE (1) BE889169A (fr)
BR (1) BR8103658A (fr)
CA (1) CA1162571A (fr)
CH (1) CH646936A5 (fr)
DE (1) DE3122073A1 (fr)
ES (1) ES502917A0 (fr)
FR (1) FR2484405B1 (fr)
GB (1) GB2077729B (fr)
IL (1) IL62860A (fr)
IT (1) IT1142534B (fr)
NL (1) NL8102501A (fr)
SE (1) SE442196B (fr)
ZA (1) ZA813711B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61197365U (fr) * 1985-05-31 1986-12-09
USD967679S1 (en) * 2021-07-24 2022-10-25 Li Peng Lawn coring aerator
USD1012640S1 (en) * 2023-07-26 2024-01-30 Shenzhenshi Wanlian Technology Innovation Co., Ltd. Lawn aerator

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3013054A (en) * 1958-08-04 1961-12-12 Velsicol Chemical Corp 2-methoxy-3, 6-dichlorobenzoates
US3012870A (en) * 1958-08-04 1961-12-12 Velsicol Chemical Corp Method of destroying undesirable vegetation
GB1282926A (en) * 1968-10-10 1972-07-26 El Paso Products Co Esterification and extraction process
US4094913A (en) * 1977-01-07 1978-06-13 Velsicol Chemical Corporation Process for the preparation of 2,5-dichlorophenol
US4215065A (en) * 1979-01-02 1980-07-29 Monsanto Company Acid separation

Also Published As

Publication number Publication date
DE3122073A1 (de) 1982-03-18
NL8102501A (nl) 1982-01-04
KR830006159A (ko) 1983-09-17
GB2077729B (en) 1984-03-14
AU7081481A (en) 1981-12-17
IL62860A (en) 1984-09-30
ES8203818A1 (es) 1982-04-01
DE3122073C2 (fr) 1989-10-19
KR850001156B1 (ko) 1985-08-16
BR8103658A (pt) 1982-03-02
IT1142534B (it) 1986-10-08
CH646936A5 (de) 1984-12-28
BE889169A (fr) 1981-10-01
GB2077729A (en) 1981-12-23
JPH0114896B2 (fr) 1989-03-14
IL62860A0 (en) 1981-07-31
AT374782B (de) 1984-05-25
JPS5728028A (en) 1982-02-15
SE8103635L (sv) 1981-12-12
ZA813711B (en) 1982-06-30
SE442196B (sv) 1985-12-09
IT8148596A0 (it) 1981-06-01
AU538334B2 (en) 1984-08-09
ES502917A0 (es) 1982-04-01
ATA258381A (de) 1983-10-15
FR2484405A1 (fr) 1981-12-18
FR2484405B1 (fr) 1985-07-05

Similar Documents

Publication Publication Date Title
US3236899A (en) Treatment of 2, 2, 4, 4-tetraalkyl-1, 3-cyclobutanediols
US5136052A (en) Process for the manufacture of n-phenylmaleimide
US2732408A (en) foote
US2794822A (en) Novel dibasic aromatic acids and derivatives thereof
CA1162571A (fr) Procede de preparation de l'acide 2-methoxy-3,6- dichlorobenzoique hautement purifie
US3261846A (en) Recovery of trimellitic acid product
US5770764A (en) Process for preparing purified aromatic polycarboxylic acids
US4948921A (en) Process for the production and recovery of trimellitic acid
US4345089A (en) Recovery of aromatic carboxylic acid or ester thereof from residue fraction of oxidation or esterification reaction mixture
EP0201607B1 (fr) Procede de production d'acide hydrocarboxylique aromatique
US4035396A (en) Process for preparing alkylanthraquinone
US5026917A (en) Preparation of 2-acyl-6-methylnaphthalenes
US4404140A (en) Manufacture of alkylanthraquinones
US2967187A (en) Production of anthraquinone
US2952702A (en) Preparation of polyhalo aryloxy acetic acid esters
US4814521A (en) Process for producing 2,6-dihydroxynaphthalene and 2,6-diacetoxynaphthalene
US4797497A (en) Trimellitic anhydride purification process
US4803295A (en) Purification of diphenyl phthalates
US3517053A (en) Preparation of color-improved methyl esters of naphthalenedicarboxylic acids
US3519645A (en) Process for the preparation of propane-sultone
GB2176188A (en) Process for producing 2,6-naphthalenediol and 2,6-diacetoxynaphthalene
US4165328A (en) Process for separating 11-cyanoundecanoic acid, cyclohexanone and ε-
CA1270849A (fr) Preparation de 2,6-diacetoxynaphtalene tres pur
US4766240A (en) Process for preparing 2-(alkylbenzoyl)benzoic acid
US4929753A (en) Preparation of trifluoromethylbenzoic acid from hexafluoroxylene

Legal Events

Date Code Title Description
MKEX Expiry