CH372059A - Verfahren zur Herstellung von neuen 3,5-Diketopyrazolidinen - Google Patents

Verfahren zur Herstellung von neuen 3,5-Diketopyrazolidinen

Info

Publication number
CH372059A
CH372059A CH4007156A CH4007156A CH372059A CH 372059 A CH372059 A CH 372059A CH 4007156 A CH4007156 A CH 4007156A CH 4007156 A CH4007156 A CH 4007156A CH 372059 A CH372059 A CH 372059A
Authority
CH
Switzerland
Prior art keywords
diketopyrazolidines
preparation
new
Prior art date
Application number
CH4007156A
Other languages
English (en)
Inventor
Ernst Dr Jucker
Arnold Dr Vogel
Erwin Dr Rissi
Original Assignee
Sandoz 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 Sandoz Ag filed Critical Sandoz Ag
Priority to ES0232836A priority Critical patent/ES232836A1/es
Publication of CH372059A publication Critical patent/CH372059A/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D211/00—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
    • C07D211/04—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D211/06—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members
    • C07D211/36—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no 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
    • C07D211/56—Nitrogen atoms
    • C07D211/58—Nitrogen atoms attached in position 4

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Hydrogenated Pyridines (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
CH4007156A 1956-01-07 1956-11-28 Verfahren zur Herstellung von neuen 3,5-Diketopyrazolidinen CH372059A (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES0232836A ES232836A1 (es) 1956-01-07 1957-01-05 PROCEDIMIENTO PARA LA OBTENCIoN DE DERIVADOS DE 3,5-DICETOPIRAZOLIDINA

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH843688X 1956-01-07

Publications (1)

Publication Number Publication Date
CH372059A true CH372059A (de) 1963-09-30

Family

ID=4541571

Family Applications (6)

Application Number Title Priority Date Filing Date
CH351608D CH351608A (de) 1956-01-07 1956-01-07 Verfahren zur Herstellung von neuen 3,5-Diketo-pyrazolidinen
CH347194D CH347194A (de) 1956-01-07 1956-09-27 Verfahren zur Herstellung von neuen in 2-Stellung acylierten 3,5-Diketo-pyrazolidinen
CH347195D CH347195A (de) 1956-01-07 1956-09-27 Verfahren zur Herstellung von neuen 3,5-Diketo-pyrazolidinen
CH348706D CH348706A (de) 1956-01-07 1956-11-22 Verfahren zur Herstellung von neuen 3,5-Diketo-pyrazolidinen
CH4007156A CH372059A (de) 1956-01-07 1956-11-28 Verfahren zur Herstellung von neuen 3,5-Diketopyrazolidinen
CH348707D CH348707A (de) 1956-01-07 1956-11-28 Verfahren zur Herstellung von neuen in 2-Stellung acetylierten 3,5-Diketo-pyrazolidinen

Family Applications Before (4)

Application Number Title Priority Date Filing Date
CH351608D CH351608A (de) 1956-01-07 1956-01-07 Verfahren zur Herstellung von neuen 3,5-Diketo-pyrazolidinen
CH347194D CH347194A (de) 1956-01-07 1956-09-27 Verfahren zur Herstellung von neuen in 2-Stellung acylierten 3,5-Diketo-pyrazolidinen
CH347195D CH347195A (de) 1956-01-07 1956-09-27 Verfahren zur Herstellung von neuen 3,5-Diketo-pyrazolidinen
CH348706D CH348706A (de) 1956-01-07 1956-11-22 Verfahren zur Herstellung von neuen 3,5-Diketo-pyrazolidinen

Family Applications After (1)

Application Number Title Priority Date Filing Date
CH348707D CH348707A (de) 1956-01-07 1956-11-28 Verfahren zur Herstellung von neuen in 2-Stellung acetylierten 3,5-Diketo-pyrazolidinen

Country Status (7)

Country Link
US (1) US2865922A (de)
BE (1) BE553993A (de)
CH (6) CH351608A (de)
DE (1) DE1063170B (de)
FR (1) FR1167110A (de)
GB (2) GB843689A (de)
NL (1) NL99922C (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2959593A (en) * 1958-06-19 1960-11-08 Sandoz Ltd 3, 5-dioxo-pyrazolidines
US3149115A (en) * 1962-11-02 1964-09-15 American Cyanamid Co Pyrazolinones and method of preparing the same

Also Published As

Publication number Publication date
FR1167110A (fr) 1958-11-20
CH351608A (de) 1961-01-31
DE1063170B (de) 1959-08-13
CH348706A (de) 1960-09-15
US2865922A (en) 1958-12-23
NL99922C (de)
CH348707A (de) 1960-09-15
CH347194A (de) 1960-06-30
GB843688A (en) 1960-08-10
CH347195A (de) 1960-06-30
GB843689A (en) 1960-08-10
BE553993A (de)

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