ES479422A1 - Procedimiento para la preparacion de 1,2-difenil-3,5-dioxo- pirazolidinas sustituidas. - Google Patents

Procedimiento para la preparacion de 1,2-difenil-3,5-dioxo- pirazolidinas sustituidas.

Info

Publication number
ES479422A1
ES479422A1 ES479422A ES479422A ES479422A1 ES 479422 A1 ES479422 A1 ES 479422A1 ES 479422 A ES479422 A ES 479422A ES 479422 A ES479422 A ES 479422A ES 479422 A1 ES479422 A1 ES 479422A1
Authority
ES
Spain
Prior art keywords
image
formula
compound
novel manufacture
iii
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
ES479422A
Other languages
English (en)
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.)
Instituto de Angeli SpA
Original Assignee
Instituto de Angeli SpA
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 Instituto de Angeli SpA filed Critical Instituto de Angeli SpA
Publication of ES479422A1 publication Critical patent/ES479422A1/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
    • C07D491/02—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains two hetero rings
    • C07D491/04—Ortho-condensed systems
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C243/00—Compounds containing chains of nitrogen atoms singly-bound to each other, e.g. hydrazines, triazanes
    • 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
    • C07D231/36—Oxygen atoms with hydrocarbon radicals, substituted by hetero atoms, attached in position 4
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D317/00—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
    • C07D317/08—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
    • C07D317/10—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings
    • C07D317/14—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings with substituted hydrocarbon radicals attached to ring carbon atoms
    • C07D317/30—Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals

Landscapes

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

Abstract

Procedimiento para la preparación de 1,2 difenil-3,5-dioxopirazolidinas substituidas de la fórmula general **fórmula** en que R y R'' que son iguales o diferentes, significan un átomo de hidrógeno , un grupo alcohilo inferior, un grupo fenilo o el radical -COOR"(en el que R" significa hidrógeno o un grupo alcohilo inferior ) y A significa un átomo de hidrógeno o un grupo hidroxilo , caracterizado porque se hacen reaccionar compuestos de la fórmula general **fórmula** en que A'' significa hidrógeno o un grupo hidroxilo eterificado , de preferencia el grupo Beta- metoxietoximetoxi, con compuestos de la fórmula general **fórmula** en que R y R'' tienen los significados antes citados y Ar significa un grupo fenilo (eventualmente substituido con un radical inerte, tal como metilo, metoxi o fenilo) , y eventualmente, con el fin de obtener compuestos de la fórmula general I en los que A= OH , el grupo éter se desdobla mediante ácidos de Lewis débiles.
ES479422A 1978-04-08 1979-04-07 Procedimiento para la preparacion de 1,2-difenil-3,5-dioxo- pirazolidinas sustituidas. Expired ES479422A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782815302 DE2815302A1 (de) 1978-04-08 1978-04-08 Neues verfahren zur herstellung von 4-substituierten 1,2-diphenyl-3,5-dioxopyrazolidinen

Publications (1)

Publication Number Publication Date
ES479422A1 true ES479422A1 (es) 1980-02-01

Family

ID=6036514

Family Applications (1)

Application Number Title Priority Date Filing Date
ES479422A Expired ES479422A1 (es) 1978-04-08 1979-04-07 Procedimiento para la preparacion de 1,2-difenil-3,5-dioxo- pirazolidinas sustituidas.

Country Status (19)

Country Link
JP (1) JPS54141770A (es)
AR (1) AR220377A1 (es)
AT (1) AT370726B (es)
CA (1) CA1134834A (es)
CH (1) CH639074A5 (es)
DE (1) DE2815302A1 (es)
DK (1) DK143279A (es)
ES (1) ES479422A1 (es)
FI (1) FI70707C (es)
FR (1) FR2421886A1 (es)
GR (1) GR66638B (es)
IN (1) IN150827B (es)
IT (1) IT1193754B (es)
NL (1) NL7902731A (es)
NO (1) NO152006C (es)
PL (1) PL117473B1 (es)
PT (1) PT69449A (es)
SE (1) SE448165B (es)
YU (1) YU41152B (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02166236A (ja) * 1988-12-19 1990-06-26 Kawasaki Steel Corp サイドプレートを有するフロータ
JPH0331465A (ja) * 1989-06-27 1991-02-12 Kawasaki Steel Corp フロータにおける蛇行矯正方法

Also Published As

Publication number Publication date
YU41152B (en) 1986-12-31
NO152006C (no) 1985-07-17
NO791161L (no) 1979-10-09
JPS6213951B2 (es) 1987-03-30
SE7903095L (sv) 1979-10-09
ATA236979A (de) 1982-09-15
YU81579A (en) 1983-06-30
IT7948654A0 (it) 1979-04-06
GR66638B (es) 1981-04-03
FI70707B (fi) 1986-06-26
NL7902731A (nl) 1979-10-10
CH639074A5 (en) 1983-10-31
DK143279A (da) 1979-10-09
AT370726B (de) 1983-04-25
FR2421886A1 (fr) 1979-11-02
FI791139A (fi) 1979-10-09
JPS54141770A (en) 1979-11-05
IN150827B (es) 1982-12-25
PT69449A (en) 1979-05-01
IT1193754B (it) 1988-08-24
FR2421886B1 (es) 1983-09-09
AR220377A1 (es) 1980-10-31
CA1134834A (en) 1982-11-02
FI70707C (fi) 1986-10-06
SE448165B (sv) 1987-01-26
DE2815302A1 (de) 1979-10-18
NO152006B (no) 1985-04-09
PL117473B1 (en) 1981-08-31
PL214738A1 (es) 1980-06-16

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