FR1259602A - Process for preparing hydantoins - Google Patents

Process for preparing hydantoins

Info

Publication number
FR1259602A
FR1259602A FR824349A FR824349A FR1259602A FR 1259602 A FR1259602 A FR 1259602A FR 824349 A FR824349 A FR 824349A FR 824349 A FR824349 A FR 824349A FR 1259602 A FR1259602 A FR 1259602A
Authority
FR
France
Prior art keywords
hydantoins
preparing
preparing hydantoins
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
FR824349A
Other languages
French (fr)
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.)
Evonik Operations GmbH
Original Assignee
Degussa GmbH
Deutsche Gold und Silber Scheideanstalt
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 Degussa GmbH, Deutsche Gold und Silber Scheideanstalt filed Critical Degussa GmbH
Priority to FR824349A priority Critical patent/FR1259602A/en
Application granted granted Critical
Publication of FR1259602A publication Critical patent/FR1259602A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
    • C07D233/54—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
    • C07D233/66—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D233/72—Two oxygen atoms, e.g. hydantoin
    • C07D233/76—Two oxygen atoms, e.g. hydantoin with substituted hydrocarbon radicals attached to the third ring carbon atom
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
    • C07D233/54—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
    • C07D233/66—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D233/72—Two oxygen atoms, e.g. hydantoin
    • C07D233/74—Two oxygen atoms, e.g. hydantoin with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, attached to other ring members

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR824349A 1960-04-14 1960-04-14 Process for preparing hydantoins Expired FR1259602A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR824349A FR1259602A (en) 1960-04-14 1960-04-14 Process for preparing hydantoins

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR824349A FR1259602A (en) 1960-04-14 1960-04-14 Process for preparing hydantoins

Publications (1)

Publication Number Publication Date
FR1259602A true FR1259602A (en) 1961-04-28

Family

ID=8729317

Family Applications (1)

Application Number Title Priority Date Filing Date
FR824349A Expired FR1259602A (en) 1960-04-14 1960-04-14 Process for preparing hydantoins

Country Status (1)

Country Link
FR (1) FR1259602A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108245921A (en) * 2018-03-20 2018-07-06 河北鑫淘源环保科技有限公司 The evaporation and crystallization system and process of one kind 5,5- Dimethyl Hydan mother liquors

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108245921A (en) * 2018-03-20 2018-07-06 河北鑫淘源环保科技有限公司 The evaporation and crystallization system and process of one kind 5,5- Dimethyl Hydan mother liquors
CN108245921B (en) * 2018-03-20 2024-03-12 河北鑫淘沅医药科技有限公司 Evaporation crystallization system and process method of 5, 5-dimethyl hydantoin mother liquor

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