CH622513A5 - - Google Patents

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Publication number
CH622513A5
CH622513A5 CH436076A CH436076A CH622513A5 CH 622513 A5 CH622513 A5 CH 622513A5 CH 436076 A CH436076 A CH 436076A CH 436076 A CH436076 A CH 436076A CH 622513 A5 CH622513 A5 CH 622513A5
Authority
CH
Switzerland
Prior art keywords
carried
catalyst
lower alkyl
silica
p2or
Prior art date
Application number
CH436076A
Other languages
German (de)
English (en)
Inventor
David Llewellyn Coffen
Original Assignee
Hoffmann La Roche
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 Hoffmann La Roche filed Critical Hoffmann La Roche
Publication of CH622513A5 publication Critical patent/CH622513A5/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D263/00—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings
    • C07D263/02—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings not condensed with other rings
    • C07D263/30—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D263/34—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D261/00—Heterocyclic compounds containing 1,2-oxazole or hydrogenated 1,2-oxazole rings
    • C07D261/02—Heterocyclic compounds containing 1,2-oxazole or hydrogenated 1,2-oxazole rings not condensed with other rings
    • C07D261/06—Heterocyclic compounds containing 1,2-oxazole or hydrogenated 1,2-oxazole rings not condensed with other rings having two or more double bonds between ring members or between ring members and non-ring members
    • C07D261/10—Heterocyclic compounds containing 1,2-oxazole or hydrogenated 1,2-oxazole rings not condensed with other rings having two or more double bonds between ring members or between ring members and non-ring members 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
    • C07D261/18—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
  • Catalysts (AREA)
CH436076A 1975-04-30 1976-04-07 CH622513A5 (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/573,226 US4026901A (en) 1975-04-30 1975-04-30 Conversion of 4-lower alkyloxazole-5-carboxamide to 4-lower alkyl-5-cyanooxazoles

Publications (1)

Publication Number Publication Date
CH622513A5 true CH622513A5 (nl) 1981-04-15

Family

ID=24291122

Family Applications (1)

Application Number Title Priority Date Filing Date
CH436076A CH622513A5 (nl) 1975-04-30 1976-04-07

Country Status (10)

Country Link
US (1) US4026901A (nl)
JP (1) JPS51131873A (nl)
AT (1) AT351526B (nl)
BE (1) BE841260A (nl)
CH (1) CH622513A5 (nl)
DD (1) DD125346A5 (nl)
DE (1) DE2616349A1 (nl)
FR (1) FR2309547A1 (nl)
GB (1) GB1542065A (nl)
NL (1) NL7604619A (nl)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1122220A (en) * 1978-11-02 1982-04-20 Hans Hoffmann-Paquotte Process for the manufacture of an oxazole
EP0224706A1 (de) * 1985-11-01 1987-06-10 F. Hoffmann-La Roche Ag Verfahren zur Herstellung eines Oxazols
JP2503994B2 (ja) * 1986-09-02 1996-06-05 味の素株式会社 オキサゾリンカルボン酸誘導体及びその製造法
US5214162A (en) * 1990-12-21 1993-05-25 Hoffman-La Roche Inc. Process for manufacturing 5-cyano-4-lower alkyloxazoles
DE59408098D1 (de) * 1993-02-25 1999-05-20 Hoffmann La Roche Verfahren zur Herstellung von Oxazolderivaten
US5910594A (en) * 1997-02-13 1999-06-08 Roche Vitamins Inc. Process for the manufacture of 5-cyano-4-lower alkyl-oxazoles
CN104203930A (zh) 2012-04-25 2014-12-10 帝斯曼知识产权资产管理有限公司 合成4-甲基噁唑-5-甲酰胺的方法
EP3260448A1 (en) 2012-05-03 2017-12-27 DSM IP Assets B.V. Process for preparation of 4-methyloxazole-5-carboxylic ester
EP2844634B1 (en) 2012-05-03 2021-04-14 DSM IP Assets B.V. Process for the preparation of intermediate compounds for preparing vitamin b6
JP7367676B2 (ja) 2018-07-27 2023-10-24 三菱瓦斯化学株式会社 芳香族ニトリル化合物の製造方法、及び炭酸エステルの製造方法
CN111100143B (zh) * 2019-12-26 2021-09-17 山东新和成精化科技有限公司 一种维生素b6中间体的连续化制备方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2054088A (en) * 1933-01-13 1936-09-15 Ici Ltd Manufacture of o- and peri-aryl dinitriles
FR890159A (fr) * 1942-02-07 1944-01-31 Rohm & Haas Ges Mit Beschrankt Procédé pour préparer des nitriles non saturés, en particulier de la série acrylique, à partir des amides correspondantes
CH449623A (de) * 1963-05-22 1968-01-15 Hoffmann La Roche Verfahren zur Herstellung von 4-Alkyl-5-cyan-oxazolen
BE759060A (fr) * 1969-11-18 1971-05-17 Ici Ltd Production de dinitriles aliphatiques

Also Published As

Publication number Publication date
BE841260A (fr) 1976-10-29
DD125346A5 (nl) 1977-04-13
GB1542065A (en) 1979-03-14
FR2309547A1 (fr) 1976-11-26
NL7604619A (nl) 1976-11-02
AT351526B (de) 1979-07-25
FR2309547B1 (nl) 1978-05-19
ATA314576A (de) 1979-01-15
JPS51131873A (en) 1976-11-16
DE2616349A1 (de) 1976-11-11
US4026901A (en) 1977-05-31

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Legal Events

Date Code Title Description
PL Patent ceased