GB1406187A - Preparation of 2-pyrrolidone - Google Patents

Preparation of 2-pyrrolidone

Info

Publication number: GB1406187A
Authority: GB; United Kingdom
Prior art keywords: pyrrolidone; preparation
Prior art date: 1972-07-21
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

GB3457673A

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.)

1972-07-21

Filing date

1973-07-19

Publication date

1975-09-17

1972-07-21 Priority claimed from US00274039A external-priority patent/US3812148A/en

1972-07-21 Priority claimed from US00274120A external-priority patent/US3812149A/en

1973-07-19 Application filed by Sun Research and Development Co filed Critical Sun Research and Development Co

1975-09-17 Publication of GB1406187A publication Critical patent/GB1406187A/en

Status Expired legal-status Critical Current

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

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Pyrrole Compounds (AREA)

GB3457673A 1972-07-21 1973-07-19 Preparation of 2-pyrrolidone Expired GB1406187A (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US00274039A US3812148A (en)	1972-07-21	1972-07-21	Preparation of 2-pyrrolidone
US00274120A US3812149A (en)	1972-07-21	1972-07-21	Preparation of 2-pyrrolidinone

Publications (1)

Publication Number	Publication Date
GB1406187A true GB1406187A (en)	1975-09-17

Family

ID=26956572

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB3457673A Expired GB1406187A (en)	1972-07-21	1973-07-19	Preparation of 2-pyrrolidone

Country Status (3)

Country	Link
DE (1)	DE2337106A1 (en)
GB (1)	GB1406187A (en)
IT (1)	IT994988B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2932456A1 (en) *	1979-08-10	1981-02-26	Chevron Res	METHOD FOR PRODUCING 2-PYRROLIDONE

1973
- 1973-07-19 GB GB3457673A patent/GB1406187A/en not_active Expired
- 1973-07-20 IT IT2685973A patent/IT994988B/en active
- 1973-07-20 DE DE19732337106 patent/DE2337106A1/en active Pending

Also Published As

Publication number	Publication date
IT994988B (en)	1975-10-20
DE2337106A1 (en)	1974-01-31

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Legal Events

Date	Code	Title	Description
1976-01-28	PS	Patent sealed
1978-02-15	PLNP	Patent lapsed through nonpayment of renewal fees