CH518941A - Verfahren zur Herstellung von neuen 3,5-Dioxopyrazolidinderivaten - Google Patents

Verfahren zur Herstellung von neuen 3,5-Dioxopyrazolidinderivaten

Info

Publication number
CH518941A
CH518941A CH1181469A CH1181469A CH518941A CH 518941 A CH518941 A CH 518941A CH 1181469 A CH1181469 A CH 1181469A CH 1181469 A CH1181469 A CH 1181469A CH 518941 A CH518941 A CH 518941A
Authority
CH
Switzerland
Prior art keywords
preparation
new
dioxopyrazolidine
derivatives
dioxopyrazolidine derivatives
Prior art date
Application number
CH1181469A
Other languages
English (en)
Inventor
Yamamoto Hisao
Kaneko Shin-Ichi
Original Assignee
Sumitomo Chemical Co
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
Priority claimed from JP43055051A external-priority patent/JPS4830058B1/ja
Priority claimed from JP43058154A external-priority patent/JPS4827311B1/ja
Priority claimed from JP9282068A external-priority patent/JPS4815302B1/ja
Priority claimed from JP9282168A external-priority patent/JPS4815303B1/ja
Application filed by Sumitomo Chemical Co filed Critical Sumitomo Chemical Co
Publication of CH518941A publication Critical patent/CH518941A/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C251/00—Compounds containing nitrogen atoms doubly-bound to a carbon skeleton
    • C07C251/72—Hydrazones
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
CH1181469A 1968-08-02 1969-08-01 Verfahren zur Herstellung von neuen 3,5-Dioxopyrazolidinderivaten CH518941A (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP43055051A JPS4830058B1 (de) 1968-08-02 1968-08-02
JP43058154A JPS4827311B1 (de) 1968-08-14 1968-08-14
JP8710768 1968-11-27
JP9282068A JPS4815302B1 (de) 1968-12-17 1968-12-17
JP9282168A JPS4815303B1 (de) 1968-12-17 1968-12-17

Publications (1)

Publication Number Publication Date
CH518941A true CH518941A (de) 1972-02-15

Family

ID=27523195

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1181469A CH518941A (de) 1968-08-02 1969-08-01 Verfahren zur Herstellung von neuen 3,5-Dioxopyrazolidinderivaten

Country Status (9)

Country Link
US (1) US3703513A (de)
AT (1) AT295515B (de)
BE (1) BE736972A (de)
CH (1) CH518941A (de)
DE (1) DE1937241A1 (de)
FR (1) FR2014913A1 (de)
GB (1) GB1259320A (de)
NL (1) NL150441B (de)
SE (1) SE359834B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ315846A (en) * 1995-08-02 1999-01-28 Smithkline Beecham Corp Endothelin receptor antagonists, in particular, substituted pyrazol-4-yl-substituted-prop-2-enoic acid derivatives
US6545031B1 (en) 1995-08-02 2003-04-08 Smithkline Beecham Corporation Endothelin receptor antagonists

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1249285B (de) * 1963-01-24 1967-09-07 I R Geigy A G Basel (Schweiz) Verfahren zur Herstellung von theiapeutisch wirk samen 1,2 Diaryl-4-alkvl 3,5 dioxo pyrazohdmen

Also Published As

Publication number Publication date
FR2014913A1 (de) 1970-04-24
SE359834B (de) 1973-09-10
NL150441B (nl) 1976-08-16
AT295515B (de) 1972-01-10
GB1259320A (de) 1972-01-05
US3703513A (en) 1972-11-21
DE1937241A1 (de) 1970-02-19
BE736972A (de) 1970-02-16
NL6911754A (de) 1970-02-04

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Legal Events

Date Code Title Description
PL Patent ceased