FR1252957A - Process for the preparation of 1, 3, 4-oxdiazoles from a compound of hydrazine and carboxylic acids or their esters, using water removing agents - Google Patents

Process for the preparation of 1, 3, 4-oxdiazoles from a compound of hydrazine and carboxylic acids or their esters, using water removing agents

Info

Publication number
FR1252957A
FR1252957A FR822142A FR822142A FR1252957A FR 1252957 A FR1252957 A FR 1252957A FR 822142 A FR822142 A FR 822142A FR 822142 A FR822142 A FR 822142A FR 1252957 A FR1252957 A FR 1252957A
Authority
FR
France
Prior art keywords
oxdiazoles
hydrazine
esters
compound
preparation
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
FR822142A
Other languages
French (fr)
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.)
Novartis AG
Original Assignee
Ciba Geigy AG
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
Priority to FR77400D priority Critical patent/FR77400E/fr
Application filed by Ciba Geigy AG filed Critical Ciba Geigy AG
Priority to FR822142A priority patent/FR1252957A/en
Application granted granted Critical
Publication of FR1252957A publication Critical patent/FR1252957A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D271/00—Heterocyclic compounds containing five-membered rings having two nitrogen atoms and one oxygen atom as the only ring hetero atoms
    • C07D271/02—Heterocyclic compounds containing five-membered rings having two nitrogen atoms and one oxygen atom as the only ring hetero atoms not condensed with other rings
    • C07D271/10—1,3,4-Oxadiazoles; Hydrogenated 1,3,4-oxadiazoles
    • C07D271/107—1,3,4-Oxadiazoles; Hydrogenated 1,3,4-oxadiazoles with two aryl or substituted aryl radicals attached in positions 2 and 5
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D413/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms
    • C07D413/14—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing three or more hetero rings

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR822142A 1959-03-26 1960-03-23 Process for the preparation of 1, 3, 4-oxdiazoles from a compound of hydrazine and carboxylic acids or their esters, using water removing agents Expired FR1252957A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR77400D FR77400E (en) 1959-03-26
FR822142A FR1252957A (en) 1959-03-26 1960-03-23 Process for the preparation of 1, 3, 4-oxdiazoles from a compound of hydrazine and carboxylic acids or their esters, using water removing agents

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH896219X 1959-03-26
FR822142A FR1252957A (en) 1959-03-26 1960-03-23 Process for the preparation of 1, 3, 4-oxdiazoles from a compound of hydrazine and carboxylic acids or their esters, using water removing agents

Publications (1)

Publication Number Publication Date
FR1252957A true FR1252957A (en) 1961-02-03

Family

ID=25738772

Family Applications (2)

Application Number Title Priority Date Filing Date
FR77400D Expired FR77400E (en) 1959-03-26
FR822142A Expired FR1252957A (en) 1959-03-26 1960-03-23 Process for the preparation of 1, 3, 4-oxdiazoles from a compound of hydrazine and carboxylic acids or their esters, using water removing agents

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR77400D Expired FR77400E (en) 1959-03-26

Country Status (1)

Country Link
FR (2) FR1252957A (en)

Also Published As

Publication number Publication date
FR77400E (en) 1962-07-13

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