NL7502574A - PROCEDURE FOR THE PREPARATION OF 2-PYRROLIDONES. - Google Patents

PROCEDURE FOR THE PREPARATION OF 2-PYRROLIDONES.

Info

Publication number
NL7502574A
NL7502574A NL7502574A NL7502574A NL7502574A NL 7502574 A NL7502574 A NL 7502574A NL 7502574 A NL7502574 A NL 7502574A NL 7502574 A NL7502574 A NL 7502574A NL 7502574 A NL7502574 A NL 7502574A
Authority
NL
Netherlands
Prior art keywords
pyrrolidones
procedure
preparation
Prior art date
Application number
NL7502574A
Other languages
Dutch (nl)
Other versions
NL184953B (en
NL184953C (en
Original Assignee
Stamicarbon
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 Stamicarbon filed Critical Stamicarbon
Priority to NL7502574A priority Critical patent/NL184953C/en
Priority to GB704576A priority patent/GB1494454A/en
Priority to JP2204676A priority patent/JPS6056707B2/en
Priority to BE164771A priority patent/BE839091A/en
Priority to IT4839676A priority patent/IT1057926B/en
Priority to SU762328357A priority patent/SU585809A3/en
Priority to FR7605972A priority patent/FR2303003A1/en
Priority to DE19762609209 priority patent/DE2609209C2/en
Publication of NL7502574A publication Critical patent/NL7502574A/en
Priority to US05/829,781 priority patent/US4123438A/en
Publication of NL184953B publication Critical patent/NL184953B/en
Application granted granted Critical
Publication of NL184953C publication Critical patent/NL184953C/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
    • C07D201/02—Preparation of lactams
    • C07D201/08—Preparation of lactams from carboxylic acids or derivatives thereof, e.g. hydroxy carboxylic acids, lactones or nitriles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pyrrole Compounds (AREA)
NL7502574A 1975-03-05 1975-03-05 PROCESS FOR THE PREPARATION OF A 2-PYRROLIDINONE, WHETHER OR NOT SUBSTITUTED. NL184953C (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
NL7502574A NL184953C (en) 1975-03-05 1975-03-05 PROCESS FOR THE PREPARATION OF A 2-PYRROLIDINONE, WHETHER OR NOT SUBSTITUTED.
GB704576A GB1494454A (en) 1975-03-05 1976-02-23 Process for preparing 2-pyrrolidones
JP2204676A JPS6056707B2 (en) 1975-03-05 1976-03-01 Method for producing 2-pyrrolidone
BE164771A BE839091A (en) 1975-03-05 1976-03-02 PROCESS FOR THE PREPARATION OF 2-PYRROLIDONE
IT4839676A IT1057926B (en) 1975-03-05 1976-03-03 PROCEDURE FOR THE PRODUCTION OF 2 PYROLIDONES
SU762328357A SU585809A3 (en) 1975-03-05 1976-03-03 Method of preparing 2-pirrolidone or its alkyl-substitution derivatives
FR7605972A FR2303003A1 (en) 1975-03-05 1976-03-03 2-PYRROLIDON PREPARATION PROCESS
DE19762609209 DE2609209C2 (en) 1975-03-05 1976-03-05 Process for the preparation of 2-pyrrolidone
US05/829,781 US4123438A (en) 1975-03-05 1977-09-01 Process for preparing 2-pyrrolidones

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7502574A NL184953C (en) 1975-03-05 1975-03-05 PROCESS FOR THE PREPARATION OF A 2-PYRROLIDINONE, WHETHER OR NOT SUBSTITUTED.

Publications (3)

Publication Number Publication Date
NL7502574A true NL7502574A (en) 1976-09-07
NL184953B NL184953B (en) 1989-07-17
NL184953C NL184953C (en) 1989-12-18

Family

ID=19823302

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7502574A NL184953C (en) 1975-03-05 1975-03-05 PROCESS FOR THE PREPARATION OF A 2-PYRROLIDINONE, WHETHER OR NOT SUBSTITUTED.

Country Status (8)

Country Link
JP (1) JPS6056707B2 (en)
BE (1) BE839091A (en)
DE (1) DE2609209C2 (en)
FR (1) FR2303003A1 (en)
GB (1) GB1494454A (en)
IT (1) IT1057926B (en)
NL (1) NL184953C (en)
SU (1) SU585809A3 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3966763A (en) * 1975-06-30 1976-06-29 Standard Oil Company Process for producing 2-pyrrolidone
NL7704179A (en) * 1977-04-18 1978-10-20 Stamicarbon PROCESS FOR THE PREPARATION OF N-SUBSTITUTE 2-PYRROLIDONES.
US6680331B2 (en) 2001-07-16 2004-01-20 Board Of Regents, The University Of Texas System Lactam and thiolactam derivatives as anesthetic and conscious sedation agents
GB201709297D0 (en) * 2017-06-12 2017-07-26 Rheinisch-Westfälische Technische Hochschule (Rwth) Aachen Method for preparing methylprrolidones

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3095423A (en) * 1961-02-01 1963-06-25 Minnesota Mining & Mfg Synthesis of 2-pyrrolidinone
GB1226469A (en) * 1968-05-16 1971-03-31

Also Published As

Publication number Publication date
JPS6056707B2 (en) 1985-12-11
BE839091A (en) 1976-09-02
NL184953B (en) 1989-07-17
FR2303003A1 (en) 1976-10-01
DE2609209A1 (en) 1976-09-16
NL184953C (en) 1989-12-18
JPS51110560A (en) 1976-09-30
DE2609209C2 (en) 1985-08-08
GB1494454A (en) 1977-12-07
SU585809A3 (en) 1977-12-25
IT1057926B (en) 1982-03-30
FR2303003B1 (en) 1980-04-18

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Legal Events

Date Code Title Description
BC A request for examination has been filed
A85 Still pending on 85-01-01
SNR Assignments of patents or rights arising from examined patent applications

Owner name: DSM N.V.

V1 Lapsed because of non-payment of the annual fee