FR2203818B3 - - Google Patents

Info

Publication number
FR2203818B3
FR2203818B3 FR7337761A FR7337761A FR2203818B3 FR 2203818 B3 FR2203818 B3 FR 2203818B3 FR 7337761 A FR7337761 A FR 7337761A FR 7337761 A FR7337761 A FR 7337761A FR 2203818 B3 FR2203818 B3 FR 2203818B3
Authority
FR
France
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
FR7337761A
Other languages
French (fr)
Other versions
FR2203818A1 (en
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.)
Leuna Werke GmbH
Original Assignee
Leuna Werke GmbH
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 Leuna Werke GmbH filed Critical Leuna Werke GmbH
Publication of FR2203818A1 publication Critical patent/FR2203818A1/fr
Application granted granted Critical
Publication of FR2203818B3 publication Critical patent/FR2203818B3/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
    • C07D333/02—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
    • C07D333/04—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
    • C07D333/06—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to the ring carbon atoms
    • C07D333/08—Hydrogen atoms or radicals containing only hydrogen and carbon atoms
    • C07D333/10—Thiophene
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
    • C07D201/16—Separation or purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR7337761A 1972-10-23 1973-10-23 Thiophene sepn from benzene contg mixts - by selective extn with N-alkyl-epsilon-caprolactam, pref. methyl caprolactam, and extractive distn Granted FR2203818A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD16644272A DD106816A1 (enrdf_load_stackoverflow) 1972-10-23 1972-10-23

Publications (2)

Publication Number Publication Date
FR2203818A1 FR2203818A1 (en) 1974-05-17
FR2203818B3 true FR2203818B3 (enrdf_load_stackoverflow) 1976-09-17

Family

ID=5488659

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7337761A Granted FR2203818A1 (en) 1972-10-23 1973-10-23 Thiophene sepn from benzene contg mixts - by selective extn with N-alkyl-epsilon-caprolactam, pref. methyl caprolactam, and extractive distn

Country Status (3)

Country Link
DD (1) DD106816A1 (enrdf_load_stackoverflow)
DE (1) DE2341954A1 (enrdf_load_stackoverflow)
FR (1) FR2203818A1 (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3700247A1 (de) * 1987-01-07 1988-07-21 Basf Ag Verfahren zur entfernung von nicht mit wasser mischbaren loesungsmitteln aus solche enthaltenden abgasen
CN117430477A (zh) * 2023-10-31 2024-01-23 唐山瑞达实业股份有限公司 一种由粗苯制取高纯用苯的方法

Also Published As

Publication number Publication date
FR2203818A1 (en) 1974-05-17
DD106816A1 (enrdf_load_stackoverflow) 1974-07-05
DE2341954A1 (de) 1974-04-25

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Legal Events

Date Code Title Description
ST Notification of lapse