FR1229627A - Process for the preparation of substances of the pyrazolidine-diones class - Google Patents

Process for the preparation of substances of the pyrazolidine-diones class

Info

Publication number
FR1229627A
FR1229627A FR738307A FR738307A FR1229627A FR 1229627 A FR1229627 A FR 1229627A FR 738307 A FR738307 A FR 738307A FR 738307 A FR738307 A FR 738307A FR 1229627 A FR1229627 A FR 1229627A
Authority
FR
France
Prior art keywords
pyrazolidine
substances
preparation
diones class
diones
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
FR738307A
Other languages
French (fr)
Inventor
Iosif Selmicu
Eugen R Lupu
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.)
Ministerul Industriei Petrolului si Chimiei
Original Assignee
Ministerul Industriei Petrolului si Chimiei
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 Ministerul Industriei Petrolului si Chimiei filed Critical Ministerul Industriei Petrolului si Chimiei
Application granted granted Critical
Publication of FR1229627A publication Critical patent/FR1229627A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
    • C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
    • C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D231/14—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three 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
    • C07D231/28—Two oxygen or sulfur atoms
    • C07D231/30—Two oxygen or sulfur atoms attached in positions 3 and 5
    • C07D231/32—Oxygen atoms
FR738307A 1956-05-10 1957-05-10 Process for the preparation of substances of the pyrazolidine-diones class Expired FR1229627A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO1229627X 1956-05-10

Publications (1)

Publication Number Publication Date
FR1229627A true FR1229627A (en) 1960-09-08

Family

ID=20119261

Family Applications (1)

Application Number Title Priority Date Filing Date
FR738307A Expired FR1229627A (en) 1956-05-10 1957-05-10 Process for the preparation of substances of the pyrazolidine-diones class

Country Status (1)

Country Link
FR (1) FR1229627A (en)

Similar Documents

Publication Publication Date Title
FR1173577A (en) Process for the preparation of polyolefins
FR1182377A (en) Process for the preparation of polyamides
CH377819A (en) Process for the preparation of substituted morpholines
FR1231641A (en) Process for the preparation of 2-hydroxy-benzoquinoleizines
CH359696A (en) Process for the preparation of dinitrophenyl 4-pentenoates
FR1182115A (en) Process for the preparation of triorganophosphates
FR1229627A (en) Process for the preparation of substances of the pyrazolidine-diones class
FR1269556A (en) Process for the preparation of nu-mono-substituted-alpha- (tertio-aminoalkyl) -alphaphenylacetamides
CH370071A (en) Process for the preparation of steroids
FR1228808A (en) Process for the preparation of (chromonyl-3) - (4-hydroxycoumarinyl-3) -methanes
FR1247912A (en) Process for the preparation of substituted alpha-alpha-diphenyl-gamma-amino 1 butyramides
FR1162413A (en) New process for the preparation of diarylketazines
FR1267758A (en) Preparation process
FR1216222A (en) Process for the preparation of cis-testosterone
FR1175621A (en) Process for the preparation of trialkylphosphites
FR1235918A (en) Process for the preparation of arylquinuclidine compounds
FR1272458A (en) Process for the preparation of dihydrostreptonivicin
FR1188561A (en) Process for the preparation of dialkylsulfoxides
FR1177556A (en) Process for the preparation of monohydroxydiethers
FR1173800A (en) Process for the preparation of benzoylpimelates
FR1156740A (en) Process for the preparation of manganese-calcium-silicon
FR1248410A (en) Process for the preparation of 18-nor-steroids
CH385884A (en) Process for the preparation of substituted coumarones
FR1234708A (en) Process for the preparation of sulfonamides
CH365067A (en) Process for the preparation of steroids