BR8104892A - Processo para a purificacao de amida do acido nicotinico - Google Patents

Processo para a purificacao de amida do acido nicotinico

Info

Publication number
BR8104892A
BR8104892A BR8104892A BR8104892A BR8104892A BR 8104892 A BR8104892 A BR 8104892A BR 8104892 A BR8104892 A BR 8104892A BR 8104892 A BR8104892 A BR 8104892A BR 8104892 A BR8104892 A BR 8104892A
Authority
BR
Brazil
Prior art keywords
purification
nicotinic acid
acid amid
amid
nicotinic
Prior art date
Application number
BR8104892A
Other languages
English (en)
Inventor
H Beschke
H Friedrich
G Prescher
F Dahm
Original Assignee
Degussa
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6108402&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR8104892(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Degussa filed Critical Degussa
Publication of BR8104892A publication Critical patent/BR8104892A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom 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
    • C07D213/78—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
    • C07D213/81—Amides; Imides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pyridine Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
BR8104892A 1980-07-30 1981-07-29 Processo para a purificacao de amida do acido nicotinico BR8104892A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803028791 DE3028791A1 (de) 1980-07-30 1980-07-30 Verfahren zur reinigung von nicotinsaeureamid ii.

Publications (1)

Publication Number Publication Date
BR8104892A true BR8104892A (pt) 1982-04-13

Family

ID=6108402

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8104892A BR8104892A (pt) 1980-07-30 1981-07-29 Processo para a purificacao de amida do acido nicotinico

Country Status (9)

Country Link
US (1) US4447614A (pt)
EP (1) EP0045080B1 (pt)
JP (1) JPS5754173A (pt)
BR (1) BR8104892A (pt)
CA (1) CA1136147A (pt)
DE (2) DE3028791A1 (pt)
ES (1) ES504207A0 (pt)
IN (1) IN154600B (pt)
MX (1) MX6429E (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0424316A3 (en) * 1989-10-19 1991-09-25 Ciba-Geigy Ag Purification of 2-aryl-2h-benzotriazoles
TW539670B (en) * 1998-07-21 2003-07-01 Reilly Ind Inc Processes for producing highly pure nicotinamide
CN114634269B (zh) * 2020-12-15 2022-12-02 山东潍坊润丰化工股份有限公司 一种从废水中回收烟酰胺的方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2483250A (en) * 1949-09-27 Tt a it tt
US2471518A (en) * 1949-05-31 Nicotinic acid amide and processes
US2412749A (en) * 1942-03-02 1946-12-17 Gelatin Products Corp Method of preparing nicotinamide
US2544157A (en) * 1947-05-08 1951-03-06 Upjohn Co Purification of nicotinamide
DE828247C (de) * 1948-10-02 1953-07-02 Degussa Verfahren zur Herstellung von Nicotinsaeureamid
GB879551A (en) * 1957-10-28 1961-10-11 Merck & Co Inc Ion-exchange purification of nicotinamide
US2932648A (en) * 1958-10-06 1960-04-12 Abbott Lab Nicotinamide process
US3678060A (en) * 1970-08-03 1972-07-18 Merck & Co Inc Process for separating an acid from an amide
DE2517053A1 (de) * 1975-04-17 1976-10-28 Degussa Verfahren zur gewinnung von nicotinsaeureamid
DE2517054C2 (de) * 1975-04-17 1985-04-25 Degussa Ag, 6000 Frankfurt Verfahren zur Herstellung von Nicotinsäureamid

Also Published As

Publication number Publication date
EP0045080A1 (de) 1982-02-03
US4447614A (en) 1984-05-08
IN154600B (pt) 1984-11-17
CA1136147A (en) 1982-11-23
EP0045080B1 (de) 1984-10-24
DE3028791A1 (de) 1982-02-25
ES8206482A1 (es) 1982-08-16
DE3166837D1 (en) 1984-11-29
ES504207A0 (es) 1982-08-16
JPS5754173A (pt) 1982-03-31
MX6429E (es) 1985-05-30

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