GB1367182A - Preparation of 2-pyrrolidinone - Google Patents

Preparation of 2-pyrrolidinone

Info

Publication number
GB1367182A
GB1367182A GB3600572A GB3600572A GB1367182A GB 1367182 A GB1367182 A GB 1367182A GB 3600572 A GB3600572 A GB 3600572A GB 3600572 A GB3600572 A GB 3600572A GB 1367182 A GB1367182 A GB 1367182A
Authority
GB
United Kingdom
Prior art keywords
ammonium hydroxide
pyrrolidinone
butyrolactam
aug
product
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
GB3600572A
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.)
Sun Research and Development Co
Original Assignee
Sun Research and Development Co
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 Sun Research and Development Co filed Critical Sun Research and Development Co
Publication of GB1367182A publication Critical patent/GB1367182A/en
Expired legal-status Critical Current

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)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Pyrrole Compounds (AREA)
GB3600572A 1971-08-02 1972-08-02 Preparation of 2-pyrrolidinone Expired GB1367182A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16848171A 1971-08-02 1971-08-02

Publications (1)

Publication Number Publication Date
GB1367182A true GB1367182A (en) 1974-09-18

Family

ID=22611656

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3600572A Expired GB1367182A (en) 1971-08-02 1972-08-02 Preparation of 2-pyrrolidinone

Country Status (7)

Country Link
BE (1) BE787074A (cg-RX-API-DMAC7.html)
CA (1) CA957691A (cg-RX-API-DMAC7.html)
DE (1) DE2238082A1 (cg-RX-API-DMAC7.html)
FR (1) FR2148136B1 (cg-RX-API-DMAC7.html)
GB (1) GB1367182A (cg-RX-API-DMAC7.html)
IT (1) IT956624B (cg-RX-API-DMAC7.html)
NL (1) NL7210585A (cg-RX-API-DMAC7.html)

Also Published As

Publication number Publication date
BE787074A (fr) 1973-02-02
NL7210585A (cg-RX-API-DMAC7.html) 1973-02-06
IT956624B (it) 1973-10-10
FR2148136A1 (cg-RX-API-DMAC7.html) 1973-03-11
FR2148136B1 (cg-RX-API-DMAC7.html) 1976-10-29
DE2238082A1 (de) 1973-02-15
CA957691A (en) 1974-11-12

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees