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GB1056475A - Process for preparing 4-amino-pyrazolone derivatives - Google Patents

Process for preparing 4-amino-pyrazolone derivatives

Info

Publication number
GB1056475A
GB1056475A GB4913164A GB4913164A GB1056475A GB 1056475 A GB1056475 A GB 1056475A GB 4913164 A GB4913164 A GB 4913164A GB 4913164 A GB4913164 A GB 4913164A GB 1056475 A GB1056475 A GB 1056475A
Authority
GB
United Kingdom
Prior art keywords
radical
formula
amino
preparing
acid
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
GB4913164A
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.)
Chemische Fabrik Schweizerhall
Original Assignee
Chemische Fabrik Schweizerhall
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 Chemische Fabrik Schweizerhall filed Critical Chemische Fabrik Schweizerhall
Publication of GB1056475A publication Critical patent/GB1056475A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
    • C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
    • C07D401/12—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a chain containing hetero atoms as chain links
    • 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
    • C07D231/44—Oxygen and nitrogen or sulfur and nitrogen atoms
    • C07D231/46—Oxygen atom in position 3 or 5 and nitrogen atom in position 4
    • C07D231/50—Acylated on said nitrogen atom

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

Compounds of formula <FORM:1056475/C2/1> wherein R1 is a hydrogen atom or an akyll radical and R2 is a radical <FORM:1056475/C2/2> (wherein n is 3, 4, 5 or 6 and R3 is a hydrogen atom or an alkyl radical) or a morpholino or alkylmorpholino radical, are prepared by reaction of a compound of formula R.NH.R, wherein R is the 1-phenyl-2,3-dimethyl-5-pyrazolone-4-radical, with an acid of formula HOOCCH2CH2R2 in the presence of a dehydrating agent, or with an anhydride, alkyl ester or halide of such an acid, or an acid addition salt thereof.
GB4913164A 1963-12-03 1964-12-03 Process for preparing 4-amino-pyrazolone derivatives Expired GB1056475A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1477863A CH433346A (en) 1963-12-03 1963-12-03 Process for the preparation of 4-aminoantipyrine derivatives

Publications (1)

Publication Number Publication Date
GB1056475A true GB1056475A (en) 1967-01-25

Family

ID=4403747

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4913164A Expired GB1056475A (en) 1963-12-03 1964-12-03 Process for preparing 4-amino-pyrazolone derivatives

Country Status (7)

Country Link
BE (1) BE656563A (en)
CH (1) CH433346A (en)
DE (1) DE1295562B (en)
DK (1) DK115553B (en)
ES (1) ES306669A1 (en)
GB (1) GB1056475A (en)
SE (1) SE309243B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50100058A (en) * 1973-12-21 1975-08-08

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50100058A (en) * 1973-12-21 1975-08-08

Also Published As

Publication number Publication date
BE656563A (en) 1965-04-01
ES306669A1 (en) 1965-04-16
SE309243B (en) 1969-03-17
CH433346A (en) 1967-04-15
DK115553B (en) 1969-10-20
DE1295562B (en) 1969-05-22

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