FR1055810A - Process for the preparation of aldehydes of 1, 2, 3-trisubstituted pyrazolones - Google Patents

Process for the preparation of aldehydes of 1, 2, 3-trisubstituted pyrazolones

Info

Publication number
FR1055810A
FR1055810A FR1055810DA FR1055810A FR 1055810 A FR1055810 A FR 1055810A FR 1055810D A FR1055810D A FR 1055810DA FR 1055810 A FR1055810 A FR 1055810A
Authority
FR
France
Prior art keywords
pyrazolones
trisubstituted
aldehydes
preparation
trisubstituted pyrazolones
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
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.)
Luxema SA
Original Assignee
Luxema SA
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 Luxema SA filed Critical Luxema SA
Application granted granted Critical
Publication of FR1055810A publication Critical patent/FR1055810A/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
    • C07D231/18—One oxygen or sulfur atom
    • C07D231/20—One oxygen atom attached in position 3 or 5
    • C07D231/22—One oxygen atom attached in position 3 or 5 with aryl radicals attached to ring nitrogen atoms
    • C07D231/26—1-Phenyl-3-methyl-5- pyrazolones, unsubstituted or substituted on the phenyl ring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR1055810D 1949-12-21 1950-12-13 Process for the preparation of aldehydes of 1, 2, 3-trisubstituted pyrazolones Expired FR1055810A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL1055810X 1949-12-21

Publications (1)

Publication Number Publication Date
FR1055810A true FR1055810A (en) 1954-02-22

Family

ID=19867982

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1055810D Expired FR1055810A (en) 1949-12-21 1950-12-13 Process for the preparation of aldehydes of 1, 2, 3-trisubstituted pyrazolones

Country Status (1)

Country Link
FR (1) FR1055810A (en)

Similar Documents

Publication Publication Date Title
CH289005A (en) Process for preparing O, O-dimethyl-S-ureido-acetyl dithiophosphate.
FR1021238A (en) Process for preparing hydroperoxides
FR1028400A (en) Process for preparing aldehydes
CH277981A (en) Process for the preparation of alpha-ionones.
FR1055810A (en) Process for the preparation of aldehydes of 1, 2, 3-trisubstituted pyrazolones
FR1026780A (en) Process for preparing 1,2,3-trisubstituted pyrazolone aldehyde
CH285769A (en) Process for preparing hydroxymethyltrimethylsilane.
CH289841A (en) A process for the preparation of a derivative of 1-phenyl-2,3-dimethyl-5-pyrazolone aldehyde.
CH288175A (en) Process for the preparation of solutions of acrylonitrile polymers.
FR1046560A (en) Process for the preparation of derivatives of 1, 2, 3-trisubstituted pyrazolones
FR1023058A (en) Process for the preparation of morphino-6-glucosides
CH323315A (en) Process for the synthesis of urea.
FR1023119A (en) Process for the preparation of 3, 4-dihydroxy-alpha-isopropylamino-propiophenone
FR1018422A (en) Process for the preparation of new 4, 7-phenanthrolines
FR995716A (en) Process for the preparation of hydroxy-2-naphthoquinones-1, 4
CH282086A (en) Process for the preparation of an aromatic acyl-amido-keto-alcohol.
FR1023245A (en) Improved process for the preparation of alkyl 3-thia-7-sila-7, 7, 7-trialkoxyheptanoates
BE499907A (en) PROCESS FOR THE PREPARATION OF 1,2,3-TRISUBSTITUTED PYRAZOLONE ALDEHYDES.
BE497369A (en) PROCESS FOR THE PREPARATION OF AN AMINO-PROPANE-DIOL.
FR1000308A (en) Process for the production of 3. 4-dioxypyrrolidines
FR1013816A (en) Process for the preparation of substituted p-ureidobenzalthio-semicarbazones
FR981150A (en) Process for preparing monoaroylated 1, 4-diamino-anthraquinones
FR1023945A (en) Process for the preparation of alkylidenecyanoacetates
FR1020713A (en) Process for the preparation of monosubstituted 4,4'-diamino-diphenyl-sulfones
CH289071A (en) Process for the preparation of allo-1-p-nitrophenyl-2- (ortho-carboxybenzoyl) -amino-propanediol-1,3.