DE3765810D1 - Verfahren zur herstellung von 1h-pyrrolizin-3,5-(2h,6h)-dionen. - Google Patents

Verfahren zur herstellung von 1h-pyrrolizin-3,5-(2h,6h)-dionen.

Info

Publication number
DE3765810D1
DE3765810D1 DE8787104088T DE3765810T DE3765810D1 DE 3765810 D1 DE3765810 D1 DE 3765810D1 DE 8787104088 T DE8787104088 T DE 8787104088T DE 3765810 T DE3765810 T DE 3765810T DE 3765810 D1 DE3765810 D1 DE 3765810D1
Authority
DE
Germany
Prior art keywords
pyrrolizin
diones
producing
produced
lower alkyl
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 - Fee Related
Application number
DE8787104088T
Other languages
English (en)
Inventor
Marvin Simon Hoekstra
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.)
Warner Lambert Co LLC
Original Assignee
Warner Lambert Co LLC
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 Warner Lambert Co LLC filed Critical Warner Lambert Co LLC
Application granted granted Critical
Publication of DE3765810D1 publication Critical patent/DE3765810D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D207/18—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member
    • C07D207/22—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member 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
    • C07D207/24—Oxygen or sulfur atoms
    • C07D207/26—2-Pyrrolidones
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
    • C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
    • C07D487/04—Ortho-condensed systems

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Pyrrole Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Steroid Compounds (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
DE8787104088T 1986-03-21 1987-03-20 Verfahren zur herstellung von 1h-pyrrolizin-3,5-(2h,6h)-dionen. Expired - Fee Related DE3765810D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/842,702 US4663464A (en) 1986-03-21 1986-03-21 Process for the preparation of dihydro-1H-pyrrolizine-3,5-(2H,6H)-dione

Publications (1)

Publication Number Publication Date
DE3765810D1 true DE3765810D1 (de) 1990-12-06

Family

ID=25288045

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787104088T Expired - Fee Related DE3765810D1 (de) 1986-03-21 1987-03-20 Verfahren zur herstellung von 1h-pyrrolizin-3,5-(2h,6h)-dionen.

Country Status (17)

Country Link
US (1) US4663464A (de)
EP (1) EP0238088B1 (de)
JP (1) JPS62230784A (de)
KR (1) KR870008888A (de)
AT (1) ATE57929T1 (de)
AU (1) AU586070B2 (de)
CA (1) CA1280423C (de)
DE (1) DE3765810D1 (de)
DK (1) DK141987A (de)
ES (1) ES2018661B3 (de)
FI (1) FI871195A (de)
GR (1) GR3001042T3 (de)
NO (1) NO164297C (de)
NZ (1) NZ219713A (de)
PH (1) PH22822A (de)
PT (1) PT84517B (de)
ZA (1) ZA871307B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4977235A (en) * 1989-02-23 1990-12-11 Shell Oil Company Polyarylate polymers
US4914176A (en) * 1989-03-17 1990-04-03 Shell Oil Company Poly(heterocyclic) polymers
US5969833A (en) * 1996-10-09 1999-10-19 Tyco Submarine Systems Ltd. Monitoring system using an optical side tone as a test signal

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5129484A (en) * 1974-09-05 1976-03-12 Juki Gosei Yakuhin Kogyo Kk Deshiritsutoru 22 * 33pirijiru * pirorijin no seizoho
US4372966A (en) * 1980-09-15 1983-02-08 Warner-Lambert Company Use of dihydro-1H-pyrrolizine-3,5(2H,6H)-dione as a cognition activator
US4581462A (en) * 1983-08-25 1986-04-08 The Upjohn Company Pyrrolizidine-3-ones
US4551470A (en) * 1983-08-29 1985-11-05 Warner-Lambert Company Hexahydro-3,5-dioxo-1H-pyrrolizine-2-carboxylic acid and derivatives, and use for reversing electroconvulsive shock amnesia
US4548947A (en) * 1984-05-07 1985-10-22 Warner-Lambert Company 1-(Substituted-aryl)-dihydro-1H-pyrrolizine-3,5-[2H,6H-]diones and use for reversing amnesia
US4563469A (en) * 1984-07-20 1986-01-07 Warner-Lambert Company Derivatives of N-[2-(tetrahydro-3,5-dioxo-1H-pyrrolizin-7a(5H)-yl)ethyl]amine as cognition activators

Also Published As

Publication number Publication date
ATE57929T1 (de) 1990-11-15
DK141987D0 (da) 1987-03-19
PT84517A (en) 1987-04-01
KR870008888A (ko) 1987-10-21
DK141987A (da) 1987-09-22
EP0238088A3 (en) 1989-02-22
FI871195A0 (fi) 1987-03-18
ES2018661B3 (es) 1991-05-01
NO164297B (no) 1990-06-11
PT84517B (pt) 1989-11-10
PH22822A (en) 1989-01-19
EP0238088B1 (de) 1990-10-31
AU6919287A (en) 1987-09-24
CA1280423C (en) 1991-02-19
JPS62230784A (ja) 1987-10-09
NZ219713A (en) 1989-06-28
EP0238088A2 (de) 1987-09-23
NO164297C (no) 1990-09-19
NO871174L (no) 1987-09-22
AU586070B2 (en) 1989-06-29
US4663464A (en) 1987-05-05
FI871195A (fi) 1987-09-22
NO871174D0 (no) 1987-03-20
GR3001042T3 (en) 1992-01-20
ZA871307B (en) 1988-09-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee