CA2174332C - Procede de preparation de triazines substituees asymetriquement - Google Patents

Procede de preparation de triazines substituees asymetriquement Download PDF

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Publication number
CA2174332C
CA2174332C CA002174332A CA2174332A CA2174332C CA 2174332 C CA2174332 C CA 2174332C CA 002174332 A CA002174332 A CA 002174332A CA 2174332 A CA2174332 A CA 2174332A CA 2174332 C CA2174332 C CA 2174332C
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CA
Canada
Prior art keywords
salt
cyanoguanidine
iii
formula
acetate
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
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CA002174332A
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English (en)
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CA2174332A1 (fr
Inventor
Bernd Schafer
Horst Mayer
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BASF SE
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BASF SE
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Filing date
Publication date
Priority claimed from DE4335497A external-priority patent/DE4335497A1/de
Application filed by BASF SE filed Critical BASF SE
Publication of CA2174332A1 publication Critical patent/CA2174332A1/fr
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Publication of CA2174332C publication Critical patent/CA2174332C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

L'invention concerne un procédé de préparation de triazines substituées asymétriquement de la formule (I), dans laquelle R?1¿ désigne hydrogène, méthyle ou éthyle, R?2¿ et R?3¿ désignent, indépendamment l'un de l'autre, un reste hydrocarbure éventuellement substitué, par réaction de cyanoguanidine de la formule (II) avec un dérivé d'acide carboxylique en présence d'un alcool de la formule (III). Ce procédé se caractérise en ce que l'on fait réagir un ester d'acide carboxylique de la formule (IV), dans laquelle R?3¿ a la notation mentionnée ci-dessus et R?4¿ désigne un reste hydrocarbure éventuellement substitué, en présence d'une base ou d'un amide d'acide carboxylique sélectionné dans le groupe N, N-dialkylformamide, N, N-dialkylacétamide ou N-méthylpyrrolidone, et en présence d'un sel ou d'un composé du type sel de l'un des éléments suivants: magnésium, calcium, aluminium, zinc, cuivre, fer, cobalt, nickel ou chrome.
CA002174332A 1993-10-19 1994-10-10 Procede de preparation de triazines substituees asymetriquement Expired - Lifetime CA2174332C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DEP4335497.1 1993-10-19
DE4335497A DE4335497A1 (de) 1993-10-19 1993-10-19 Verfahren zur Herstellung unsymmetrisch substituierter Triazine
PCT/EP1994/003331 WO1995011237A1 (fr) 1993-10-19 1994-10-10 Procede de preparation de triazines substituees asymetriquement

Publications (2)

Publication Number Publication Date
CA2174332A1 CA2174332A1 (fr) 1995-04-27
CA2174332C true CA2174332C (fr) 2006-02-07

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ID=35890591

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CA002174332A Expired - Lifetime CA2174332C (fr) 1993-10-19 1994-10-10 Procede de preparation de triazines substituees asymetriquement

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CA (1) CA2174332C (fr)

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Publication number Publication date
CA2174332A1 (fr) 1995-04-27

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