DE79086C - Process for the preparation of pyrazole derivatives - Google Patents

Process for the preparation of pyrazole derivatives

Info

Publication number
DE79086C
DE79086C DENDAT79086D DE79086DA DE79086C DE 79086 C DE79086 C DE 79086C DE NDAT79086 D DENDAT79086 D DE NDAT79086D DE 79086D A DE79086D A DE 79086DA DE 79086 C DE79086 C DE 79086C
Authority
DE
Germany
Prior art keywords
preparation
pyrazole derivatives
derivatives
pyrazole
ethoxymethylene
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 - Lifetime
Application number
DENDAT79086D
Other languages
German (de)
Original Assignee
FARBWERKE VORM. MEISTER LUCIUS & BRÜNING, Höchst a. M
Publication of DE79086C publication Critical patent/DE79086C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
    • C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
    • C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D231/14—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Plural Heterocyclic Compounds (AREA)

Description

BERLIN. GEDRUCKT IN DEE REICHSDRUCKEREIBERLIN. PRINTED IN DEE REICHSDRUCKEREI

Claims (1)

Patent-Anspruch:Patent claim: Verfahren zur Darstellung von Pyrazolderivaten, darin bestehend, dafs man die durch Patent Nr. 77354 geschützten Aethoxymethylen- und Oxymethylenderivate nach Mafsgabe des im D. R. P. Nr. 2642g gekennzeichneten Verfahrens mit Phenylhydrazin behandelt.Process for the preparation of pyrazole derivatives, consisting in that the through Patent No. 77354 protected ethoxymethylene and oxymethylene derivatives according to the treated with phenylhydrazine in the procedure marked D.R.P. No. 2642g.
DENDAT79086D Process for the preparation of pyrazole derivatives Expired - Lifetime DE79086C (en)

Publications (1)

Publication Number Publication Date
DE79086C true DE79086C (en)

Family

ID=351747

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT79086D Expired - Lifetime DE79086C (en) Process for the preparation of pyrazole derivatives

Country Status (1)

Country Link
DE (1) DE79086C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4095025A (en) * 1970-12-07 1978-06-13 John Wyeth & Brother Limited 1,3-diaryl-pyrazol-4-acrylic acid and derivatives
US4146721A (en) * 1969-09-12 1979-03-27 Byk Gulden Lomberg Chemische Fabrik Gmbh Pyrazol-4-acetic acid compounds

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4146721A (en) * 1969-09-12 1979-03-27 Byk Gulden Lomberg Chemische Fabrik Gmbh Pyrazol-4-acetic acid compounds
US4095025A (en) * 1970-12-07 1978-06-13 John Wyeth & Brother Limited 1,3-diaryl-pyrazol-4-acrylic acid and derivatives

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