FR1011572A - Fabrication des cyclopentènolones et des hydroxydicétones - Google Patents

Fabrication des cyclopentènolones et des hydroxydicétones

Info

Publication number
FR1011572A
FR1011572A FR1011572DA FR1011572A FR 1011572 A FR1011572 A FR 1011572A FR 1011572D A FR1011572D A FR 1011572DA FR 1011572 A FR1011572 A FR 1011572A
Authority
FR
France
Prior art keywords
hydroxydiketones
cyclopentenolones
manufacture
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
Other languages
English (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.)
U S IND CHEMICALS
Original Assignee
U S IND CHEMICALS
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 U S IND CHEMICALS filed Critical U S IND CHEMICALS
Application granted granted Critical
Publication of FR1011572A publication Critical patent/FR1011572A/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D335/00—Heterocyclic compounds containing six-membered rings having one sulfur atom as the only ring hetero atom
    • C07D335/04—Heterocyclic compounds containing six-membered rings having one sulfur atom as the only ring hetero atom condensed with carbocyclic rings or ring systems
    • C07D335/10—Dibenzothiopyrans; Hydrogenated dibenzothiopyrans
    • C07D335/12—Thioxanthenes
    • C07D335/14—Thioxanthenes 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 in position 9
    • C07D335/16—Oxygen atoms, e.g. thioxanthones
FR1011572D 1950-11-15 1950-01-26 Fabrication des cyclopentènolones et des hydroxydicétones Expired FR1011572A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR690466X 1950-11-15

Publications (1)

Publication Number Publication Date
FR1011572A true FR1011572A (fr) 1952-06-24

Family

ID=9029507

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1011572D Expired FR1011572A (fr) 1950-11-15 1950-01-26 Fabrication des cyclopentènolones et des hydroxydicétones

Country Status (3)

Country Link
DE (1) DE887043C (fr)
FR (1) FR1011572A (fr)
GB (1) GB690466A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3715400A (en) * 1969-05-09 1973-02-06 Hoffmann La Roche Synthesis of hydroxycyclopenten-1-ones

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1077218B (de) * 1955-05-11 1960-03-10 American Cyanamid Co Verfahren zur Herstellung von gegen Hakenwurminfektionen wirksamen N, N-disubstituierten Piperazinen
US2859216A (en) * 1956-06-26 1958-11-04 Du Pont Process for the preparation of piperazine derivatives

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3715400A (en) * 1969-05-09 1973-02-06 Hoffmann La Roche Synthesis of hydroxycyclopenten-1-ones

Also Published As

Publication number Publication date
GB690466A (en) 1953-04-22
DE887043C (de) 1953-08-20

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