DE1923063C3 - - Google Patents

Info

Publication number
DE1923063C3
DE1923063C3 DE1923063A DE1923063A DE1923063C3 DE 1923063 C3 DE1923063 C3 DE 1923063C3 DE 1923063 A DE1923063 A DE 1923063A DE 1923063 A DE1923063 A DE 1923063A DE 1923063 C3 DE1923063 C3 DE 1923063C3
Authority
DE
Germany
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
DE1923063A
Other versions
DE1923063A1 (de
DE1923063B2 (de
Inventor
Kazumi Takagi
Teruo Matsuda
Masahiro Hiihama Murakami (Japan)
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.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo Chemical Co Ltd
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 Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Publication of DE1923063A1 publication Critical patent/DE1923063A1/de
Publication of DE1923063B2 publication Critical patent/DE1923063B2/de
Application granted granted Critical
Publication of DE1923063C3 publication Critical patent/DE1923063C3/de
Granted 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)
  • Pyrrole Compounds (AREA)
  • Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE1923063A 1968-05-16 1969-05-06 Verfahren zur Herstellung von alpha-Pyrrolidon Granted DE1923063B2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3308368 1968-05-16

Publications (3)

Publication Number Publication Date
DE1923063A1 DE1923063A1 (de) 1969-11-20
DE1923063B2 DE1923063B2 (de) 1974-07-25
DE1923063C3 true DE1923063C3 (de) 1975-04-03

Family

ID=12376786

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1923063A Granted DE1923063B2 (de) 1968-05-16 1969-05-06 Verfahren zur Herstellung von alpha-Pyrrolidon

Country Status (4)

Country Link
US (1) US3644402A (de)
DE (1) DE1923063B2 (de)
FR (1) FR2008643A1 (de)
GB (1) GB1226469A (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL184953C (nl) * 1975-03-05 1989-12-18 Stamicarbon Werkwijze voor de bereiding van een al of niet gesubstitueerd 2-pyrrolidinon.
US4123438A (en) * 1975-03-05 1978-10-31 Stamicarbon, B.V. Process for preparing 2-pyrrolidones
US4042599A (en) * 1975-06-30 1977-08-16 The Standard Oil Company Process for producing 2-pyrrolidone
US3966763A (en) * 1975-06-30 1976-06-29 Standard Oil Company Process for producing 2-pyrrolidone
US4036836A (en) * 1975-06-30 1977-07-19 Standard Oil Company Process for producing 2-pyrrolidone
NL7704179A (nl) * 1977-04-18 1978-10-20 Stamicarbon Werkwijze voor de bereiding van n-gesubstitu- eerde 2-pyrrolidonen.
US4181662A (en) * 1978-03-29 1980-01-01 Chevron Research Company 2-Pyrrolidone production
NL7902537A (nl) * 1979-04-01 1980-10-03 Stamicarbon Werkwijze voor de bereiding van een eventueel c-gesubstitueerd 2-pyrrolidon en daarbij te gebruiken katalysator.
DE2932456A1 (de) * 1979-08-10 1981-02-26 Chevron Res Verfahren zur herstellung von 2-pyrrolidon
NL7909230A (nl) * 1979-12-21 1981-07-16 Stamicarbon Werkwijze voor het bereiden van een 2-pyrrolidon.
NL8003365A (nl) * 1980-06-10 1982-01-04 Stamicarbon Werkwijze voor het zuiveren van 2-pyrrolidon.

Also Published As

Publication number Publication date
GB1226469A (de) 1971-03-31
FR2008643A1 (de) 1970-01-23
US3644402A (en) 1972-02-22
DE1923063A1 (de) 1969-11-20
DE1923063B2 (de) 1974-07-25

Similar Documents

Publication Publication Date Title
AU5506869A (de)
AU5184069A (de)
DE1923063C3 (de)
AU6168869A (de)
AU416157B2 (de)
AU4811568A (de)
AU421558B1 (de)
BE724092A (de)
BE709484A (de)
BE727557A (de)
BE727323A (de)
BE727134A (de)
BE727129A (de)
BE727011A (de)
BE726917A (de)
BE726891A (de)
BE726853A (de)
BE726686A (de)
BE726525A (de)
BE725603A (de)
BE725522A (de)
BE725154A (de)
BE724197A (de)
BE727812A (de)
BE722501A (de)

Legal Events

Date Code Title Description
SH Request for examination between 03.10.1968 and 22.04.1971
C3 Grant after two publication steps (3rd publication)