FR1271004A - Process for the preparation of new 1, 2-diaryl-3, 5-dioxo-pyrazolidines - Google Patents

Process for the preparation of new 1, 2-diaryl-3, 5-dioxo-pyrazolidines

Info

Publication number
FR1271004A
FR1271004A FR725739A FR725739A FR1271004A FR 1271004 A FR1271004 A FR 1271004A FR 725739 A FR725739 A FR 725739A FR 725739 A FR725739 A FR 725739A FR 1271004 A FR1271004 A FR 1271004A
Authority
FR
France
Prior art keywords
pyrazolidines
diaryl
dioxo
preparation
new
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
FR725739A
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.)
Honeywell Riedel de Haen AG
Original Assignee
Riedel de Haen 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 Riedel de Haen AG filed Critical Riedel de Haen AG
Priority to FR725739A priority Critical patent/FR1271004A/en
Application granted granted Critical
Publication of FR1271004A publication Critical patent/FR1271004A/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
    • C07D231/34—Oxygen atoms with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, attached in position 4

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR725739A 1956-11-15 1956-11-15 Process for the preparation of new 1, 2-diaryl-3, 5-dioxo-pyrazolidines Expired FR1271004A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR725739A FR1271004A (en) 1956-11-15 1956-11-15 Process for the preparation of new 1, 2-diaryl-3, 5-dioxo-pyrazolidines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR725739A FR1271004A (en) 1956-11-15 1956-11-15 Process for the preparation of new 1, 2-diaryl-3, 5-dioxo-pyrazolidines

Publications (1)

Publication Number Publication Date
FR1271004A true FR1271004A (en) 1961-09-08

Family

ID=8703947

Family Applications (1)

Application Number Title Priority Date Filing Date
FR725739A Expired FR1271004A (en) 1956-11-15 1956-11-15 Process for the preparation of new 1, 2-diaryl-3, 5-dioxo-pyrazolidines

Country Status (1)

Country Link
FR (1) FR1271004A (en)

Similar Documents

Publication Publication Date Title
CH372669A (en) Process for the preparation of new phenothiazines
CH367825A (en) Process for preparing 1,4-steroids
CH374674A (en) Process for the preparation of new phenothiazines
CH355147A (en) Process for the preparation of new phenothiazines
FR1182115A (en) Process for the preparation of triorganophosphates
FR1163458A (en) Improved process for preparing 1,1-diaryl-2-aminoalkanols
FR1271004A (en) Process for the preparation of new 1, 2-diaryl-3, 5-dioxo-pyrazolidines
CH359142A (en) Process for the preparation of new phenothiazines
CH375344A (en) Process for the preparation of 1,4-pregnadienes
FR1230430A (en) Stereo-specific process for the preparation of 1, 3-dihydroxy-2-amino-ale-4-enes
FR1247912A (en) Process for the preparation of substituted alpha-alpha-diphenyl-gamma-amino 1 butyramides
FR1269556A (en) Process for the preparation of nu-mono-substituted-alpha- (tertio-aminoalkyl) -alphaphenylacetamides
FR1192282A (en) Process for the preparation of 3.5-dioxo-pyrazolidines
FR1273369A (en) Process for the preparation of new 1, 3-diphenyl-thioureas
FR1215523A (en) New process for the preparation of 17. alpha-ethinyl-19-nor-testosterone
FR1224019A (en) Process for the preparation of new 3-amino-pyridazines substituted in position 6
CH372660A (en) Process for the preparation of 16a, 21-dialkanoyl (lower) - 9ahalo-17aol-4-pregnene-3,11,20-triones
CH363025A (en) Process for the preparation of new phenothiazines
CH370412A (en) Process for the preparation of new phenothiazines
CH368180A (en) Process for the preparation of new phenothiazines
BE573633A (en) Process for the preparation of new pyrimido-pyrimidines.
FR1242825A (en) Process for preparing 2, 5-bis-ethylene-imino-3, 6-dihydroxy-p-benzoquinones
FR1172612A (en) Process for the preparation of new pyrimidines
CH375370A (en) Process for the preparation of alkylphenoxypolyethoxyalkanols
CH366273A (en) Process for the preparation of α-cyanomethyl-α'-methyl-adipates