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Verfahren zur herstellung von pyrrolidin-2-onen aus 3-pyrrolin-2-onen und verfahren zur herstellung der 3-pyrrolin-2-on-ausgangsstoffe.

Classifications

C07D207/267 2-Pyrrolidones with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to other ring carbon atoms with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to the ring nitrogen atom
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Chemical & Material Sciences Organic Chemistry
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CH650772A5

Switzerland

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German
English
Inventor
Peter Hofer
Worldwide applications
1979 IL GR AR AT AU PT ES CA DE DE DE SE DK GB NO FR IT NZ CH NL FI
Application CH5496/79A events
1979-06-12
Application filed by Mundipharma Ag
1985-08-15
Publication of CH650772A5
Info
Patent citations (3)
Cited by (3)
Legal events
Similar documents
Priority and Related Applications
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Patent Citations (3)

Publication number Priority date Publication date Assignee Title
Family To Family Citations
US3272842A * 1965-06-25 1966-09-13 Lilly Co Eli Novel pyrrolinones
GB1350582A * 1970-07-24 1974-04-18 Ucb Sa Cerivatives of 2-pyrrolidinone
DE2413935A1 1974-03-20 1975-10-16 Schering Ag 4-(polyalkoxy-phenyl)-2-pyrrolidone
* Cited by examiner, † Cited by third party

Cited By (3)

Publication number Priority date Publication date Assignee Title
Family To Family Citations
US4943640A * 1983-10-14 1990-07-24 The Dow Chemical Company Preparation of 5-(1-alkyl-carbonyloxy)alkylpyrrolidin-2-one
AU4809390A * 1988-12-27 1990-08-01 Ici Americas Inc. Process for the preparation of 3-carboalkoxypyrrolidones
US5021587A * 1990-01-24 1991-06-04 Petrolite Corporation Synthesis of N,3,4-trisubstituted-3-azoline-2-ones
* Cited by examiner, † Cited by third party, ‡ Family to family citation

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Priority And Related Applications

Applications Claiming Priority (2)

Application Filing date Title
US91468278A 1978-06-12
US1249679A 1979-02-15

Legal Events

Date Code Title Description
1990-02-28 PL Patent ceased
2024-10-31 PL Patent ceased

Concepts

machine-extracted
Download Filter table
Name Image Sections Count Query match
manufacturing process title,description 3 0.000
compounds claims,description 45 0.000
alkyl group claims,description 25 0.000
hydrogen claims,description 22 0.000
hydrogen claims,description 22 0.000
water claims,description 20 0.000
substituted alkyl group claims,description 17 0.000
method claims,description 16 0.000
aryl group claims,description 15 0.000
ring closing metathesis reaction claims,description 14 0.000
substituted aryl group claims,description 14 0.000
pyrrolidin-2-one claims,description 13 0.000
hydrogen atom claims,description 11 0.000
catalyst claims,description 10 0.000
1,2-dihydropyrrol-5-one claims,description 9 0.000
Palladium claims,description 9 0.000
process claims,description 9 0.000
substituent group claims,description 9 0.000
Tert-Butanol claims,description 8 0.000
hydrogenation reaction claims,description 8 0.000
preparation method claims,description 7 0.000
aroyl group claims,description 4 0.000
hydrolysis claims,description 4 0.000
hydrolysis reaction claims,description 4 0.000
phosphanium;bromide claims,description 4 0.000
starting material claims,description 4 0.000
benzo group claims,description 3 0.000
carboacyl group claims,description 3 0.000
furyl group claims,description 3 0.000
gamma-aminobutyric acid claims,description 3 0.000
platinum claims,description 3 0.000
potassium tert-butoxide claims,description 3 0.000
pyrrolidines claims,description 3 0.000
thienyl group claims,description 3 0.000
isomerization reaction claims,description 2 0.000
platinum claims,description 2 0.000
rhodium claims,description 2 0.000
rhodium claims,description 2 0.000
rhodium atom claims,description 2 0.000
central nervous system claims 2 0.000
heteroaryl group claims 2 0.000
3,4-dihydro-2h-pyrrol-5-amine claims 1 0.000
amines claims 1 0.000
esters claims 1 0.000
gamma aminobutyric acid claims 1 0.000
lactones claims 1 0.000
reaction media claims 1 0.000
Show all concepts from the description section
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