ES352379A1 - Procedure for the preparation of 1,3-diazaciclopenten (2) replaced in position 2. (Machine-translation by Google Translate, not legally binding) - Google Patents

Procedure for the preparation of 1,3-diazaciclopenten (2) replaced in position 2. (Machine-translation by Google Translate, not legally binding)

Info

Publication number
ES352379A1
ES352379A1 ES352379A ES352379A ES352379A1 ES 352379 A1 ES352379 A1 ES 352379A1 ES 352379 A ES352379 A ES 352379A ES 352379 A ES352379 A ES 352379A ES 352379 A1 ES352379 A1 ES 352379A1
Authority
ES
Spain
Prior art keywords
translation
procedure
preparation
machine
legally binding
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
ES352379A
Other languages
Spanish (es)
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.)
CH Boehringer Sohn AG and Co KG
Original Assignee
CH Boehringer Sohn AG and Co KG
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 CH Boehringer Sohn AG and Co KG filed Critical CH Boehringer Sohn AG and Co KG
Publication of ES352379A1 publication Critical patent/ES352379A1/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
    • C07D233/04—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
    • C07D233/28—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member 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
    • C07D233/44—Nitrogen atoms not forming part of a nitro radical
    • C07D233/50—Nitrogen atoms not forming part of a nitro radical with carbocyclic radicals directly attached to said nitrogen atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

Procedure for the preparation of 1,3-diazacyclopentene- (2) substituted in position 2 of the general formula **(See formula)** in which X means a halogen atom or a cyano group and means hydrogen, a lower alcohol group or a halogen atom, characterized in that in compounds of the general formula **(See formula)** in which R1 has the aforementioned meaning, the nitro group present is catalytically reduced to an amino group, the latter is diazotized, and the diazonium salt thus obtained is heated with monovalent copper halide or cyanide, optionally prepared "in situ", or, for the introduction of a fluorine atom into the phenyl nucleus, it is converted by reaction with fluoroboric acid to form the corresponding diazonium fluoroborate, and the latter decomposes by heating. (Machine-translation by Google Translate, not legally binding)
ES352379A 1967-05-26 1968-04-04 Procedure for the preparation of 1,3-diazaciclopenten (2) replaced in position 2. (Machine-translation by Google Translate, not legally binding) Expired ES352379A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB0092730 1967-05-26

Publications (1)

Publication Number Publication Date
ES352379A1 true ES352379A1 (en) 1969-08-01

Family

ID=6986554

Family Applications (1)

Application Number Title Priority Date Filing Date
ES352379A Expired ES352379A1 (en) 1967-05-26 1968-04-04 Procedure for the preparation of 1,3-diazaciclopenten (2) replaced in position 2. (Machine-translation by Google Translate, not legally binding)

Country Status (5)

Country Link
CH (1) CH523255A (en)
ES (1) ES352379A1 (en)
FR (1) FR1566036A (en)
NL (1) NL6806672A (en)
SE (1) SE354071B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MTP837B (en) 1977-11-07 1979-10-22 Hoffman La Roche And Co Aktien Derivatives 2 finino-imidazolidire
CA1175434A (en) 1980-09-10 1984-10-02 Hoffmann-La Roche Limited ¬(2-phenylamino-1-imidazolidinyloxy)methyl| pyridine 1-oxide derivatives
HU192986B (en) 1984-05-23 1987-08-28 Egyt Gyogyszervegyeszeti Gyar Process for production of imidasodiline derivatives

Also Published As

Publication number Publication date
SE354071B (en) 1973-02-26
DE1670231A1 (en) 1971-01-21
CH523255A (en) 1972-05-31
DE1670231B2 (en) 1976-03-04
NL6806672A (en) 1968-11-27
FR1566036A (en) 1969-05-02

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