BE594073A - Process for obtaining pure phthalic anhydride from the crude product obtained from the oxidation of naphthalene. - Google Patents

Process for obtaining pure phthalic anhydride from the crude product obtained from the oxidation of naphthalene.

Info

Publication number
BE594073A
BE594073A BE594073A BE594073A BE594073A BE 594073 A BE594073 A BE 594073A BE 594073 A BE594073 A BE 594073A BE 594073 A BE594073 A BE 594073A BE 594073 A BE594073 A BE 594073A
Authority
BE
Belgium
Prior art keywords
naphthalene
oxidation
crude product
product obtained
phthalic anhydride
Prior art date
Application number
BE594073A
Other languages
French (fr)
Inventor
H Suter
G Poehler
Original Assignee
Basf Ag
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 Basf Ag filed Critical Basf Ag
Publication of BE594073A publication Critical patent/BE594073A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D307/87—Benzo [c] furans; Hydrogenated benzo [c] furans
    • C07D307/89—Benzo [c] furans; Hydrogenated benzo [c] furans with two oxygen atoms directly attached in positions 1 and 3
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
    • C07C51/255—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting
    • C07C51/265—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting having alkyl side chains which are oxidised to carboxyl groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/54—Preparation of carboxylic acid anhydrides
    • 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
    • C07C63/14—Monocyclic dicarboxylic acids
    • C07C63/15—Monocyclic dicarboxylic acids all carboxyl groups bound to carbon atoms of the six-membered aromatic ring
    • C07C63/16—1,2 - Benzenedicarboxylic acid

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)
BE594073A 1959-08-14 1960-08-12 Process for obtaining pure phthalic anhydride from the crude product obtained from the oxidation of naphthalene. BE594073A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB54426A DE1097427B (en) 1959-08-14 1959-08-14 Process for obtaining pure phthalic anhydride from the crude product obtained from the oxidation of naphthalene

Publications (1)

Publication Number Publication Date
BE594073A true BE594073A (en) 1961-02-13

Family

ID=6970599

Family Applications (1)

Application Number Title Priority Date Filing Date
BE594073A BE594073A (en) 1959-08-14 1960-08-12 Process for obtaining pure phthalic anhydride from the crude product obtained from the oxidation of naphthalene.

Country Status (3)

Country Link
BE (1) BE594073A (en)
CH (1) CH393303A (en)
DE (1) DE1097427B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1295540B (en) * 1965-05-04 1969-05-22 Metallgesellschaft Ag Process for the production of the purest phthalic anhydride

Also Published As

Publication number Publication date
CH393303A (en) 1965-06-15
DE1097427B (en) 1961-01-19

Similar Documents

Publication Publication Date Title
FR1248804A (en) Process for the production of silver catalysts for the direct oxidation of olefins in the vapor phase
BE591996A (en) Process for the production of halopyridazones-6.
BE594073A (en) Process for obtaining pure phthalic anhydride from the crude product obtained from the oxidation of naphthalene.
FR1175171A (en) Process for obtaining pure dimethyl terephthalate
FR1270769A (en) Process for obtaining pure phthalic anhydride from the crude product obtained from the oxidation of naphthalene
FR80631E (en) Process for obtaining pure phthalic anhydride from the crude product obtained from the oxidation of naphthalene
FR1121645A (en) Process for the separation and purification of phthalic anhydride
FR1229624A (en) Chemical process for the controlled reduction of halides
BE590540A (en) Process for the preparation of 6-amino-penicillanic acid and product obtained.
FR1335460A (en) Process for the preparation of 1, 2, 3-trichloro-butene-3 from 1, 3-dichlorobutene-2
OA00536A (en) Process for the production of hydrogen.
CH301806A (en) Process for the stabilization of a percarboxylic acid and product obtained by this process.
FR1193242A (en) Process for the production of halogenated hydrocarbons from unsaturated cyclic hydrocarbons
BE614820A (en) Process for recovering adipic acid from the oxidation product of cyclohexane
BE591336A (en) Chemical process for the production of adipic acid.
FR1213190A (en) Catalyst for the oxidation of naphthalene to phthalic anhydride and process for preparing it
BE606883A (en) Process for the oxidation of cycloalkanecarboxylic acids
BE606615A (en) Process for the purification of sweet juice.
FR1128503A (en) Two-stage process for the removal of carbon dioxide
BE621474A (en) Process for the production of maleic anhydride
FR1263911A (en) Process for the oxidation of a polydiolefin and product obtained
BE593631A (en) Process for the continuous manufacture of cellulose esters.
FR1245476A (en) Process for the separation and production of dimethyl terephthalate from vapor mixtures containing this product and methanol
CH401951A (en) Process for separating vinyl acetate from the reaction product of acetylene with acetic acid
BE587926A (en) Process for the production of omega-laurinolactam.