GB1352737A - Preparation of lactams - Google Patents

Preparation of lactams

Info

Publication number
GB1352737A
GB1352737A GB3642371A GB3642371A GB1352737A GB 1352737 A GB1352737 A GB 1352737A GB 3642371 A GB3642371 A GB 3642371A GB 3642371 A GB3642371 A GB 3642371A GB 1352737 A GB1352737 A GB 1352737A
Authority
GB
United Kingdom
Prior art keywords
lactams
aug
catalyst
preparation
glutarimide
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
GB3642371A
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.)
DuPont Canada Inc
Original Assignee
DuPont Canada Inc
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 DuPont Canada Inc filed Critical DuPont Canada Inc
Publication of GB1352737A publication Critical patent/GB1352737A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D201/00Preparation, separation, purification or stabilisation of unsubstituted lactams
    • C07D201/02Preparation of lactams
    • C07D201/08Preparation of lactams from carboxylic acids or derivatives thereof, e.g. hydroxy carboxylic acids, lactones or nitriles
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D211/00Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
    • C07D211/04Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D211/68Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings 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
    • C07D211/72Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings 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, directly attached to ring carbon atoms
    • C07D211/74Oxygen atoms
    • C07D211/76Oxygen atoms attached in position 2 or 6

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Pyrrole Compounds (AREA)
  • Catalysts (AREA)
  • Hydrogenated Pyridines (AREA)
GB3642371A 1970-08-28 1971-08-03 Preparation of lactams Expired GB1352737A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA91927 1970-08-28

Publications (1)

Publication Number Publication Date
GB1352737A true GB1352737A (en) 1974-05-08

Family

ID=4087491

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3642371A Expired GB1352737A (en) 1970-08-28 1971-08-03 Preparation of lactams

Country Status (5)

Country Link
US (1) US3745164A (enExample)
CA (1) CA929944A (enExample)
DE (1) DE2143069A1 (enExample)
FR (1) FR2106145A5 (enExample)
GB (1) GB1352737A (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4731454A (en) * 1986-06-09 1988-03-15 Mitsubishi Chemical Industries Limited Process for producing lactams
DE3622759A1 (de) * 1986-07-07 1988-01-28 Huels Chemische Werke Ag Verfahren zur herstellung von c(pfeil abwaerts)1(pfeil abwaerts)- bis c(pfeil abwaerts)6(pfeil abwaerts)-n-alkylpyrrolidonen aus bernsteinsaeureanhydrid bzw. c(pfeil abwaerts)1(pfeil abwaerts)- bis c(pfeil abwaerts)6(pfeil abwaerts)-n-alkylsuccinimid
US7199250B2 (en) * 2002-12-20 2007-04-03 Battelle Memorial Institute Process for producing cyclic compounds
WO2004058708A1 (en) * 2002-12-20 2004-07-15 Battelle Memorial Institute Process for producing n-methyl succinimide
US8212027B1 (en) 2010-06-21 2012-07-03 Iowa State University Research Foundation, Inc. Process for the conversion of cyclic amines into lactams

Also Published As

Publication number Publication date
CA929944A (en) 1973-07-10
DE2143069A1 (de) 1972-03-02
US3745164A (en) 1973-07-10
FR2106145A5 (enExample) 1972-04-28

Similar Documents

Publication Publication Date Title
GB1145240A (en) Hop flavours for malt beverages and the like
GB1222037A (en) Catalytic hydrogenation of di(4-aminophenyl)methane
GB1352737A (en) Preparation of lactams
US3884936A (en) Preparation of 2-pyrrolidone
GB1323374A (en) Preparation of 2-pyrrolidinone
GB1229707A (enExample)
GB1395254A (en) Process for the dehydrogenation of alkanes
GB1345935A (en) Production of n-vinyl pyrrolidone
GB1263360A (en) Process for recovering noble metals from supported catalysts
GB1366187A (en) Preparation of 2-pyrrolidinone
GB1243327A (en) Process for the preparation of piperidine
IE36682L (en) Activating silver catalysts.
GB1365035A (en) Process for producing 2 3 6-trimethylhydroquinone
ES395133A1 (es) Procedimiento para la obtencion de ciclohexanona.
GB1230732A (enExample)
GB1255537A (en) Process for the preparation of phenylpropanals and phenylpropanols
GB1237972A (enExample)
GB1264460A (enExample)
GB1233573A (enExample)
GB1393659A (en) Hydrogenation process
GB1228568A (enExample)
GB1154359A (en) Hydrogenated Moenomycin and process for preparing it
GB1130078A (en) Process for preparing amides directly from aldehydes or alcohols
NL7005792A (en) Pyridine and piperidine prodn
GB1205141A (en) Process for producing monoethylamine

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee