C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 229/56 (2006.01) C07C 227/16 (2006.01)
Patent
CA 2229930
Compounds have the formula (I), in which R stands for straight-chain or branched (C1-C20) alkyl, phenyl or CH2 phenyl, the alkyl group or phenyl group being optionally substituted by halogen, (C1-C4) alkyl, (C1-C4) alkoxy, and R1, R2, R3, R4 independently represent hydrogen, halogen, OH, NO2, (C1-C6) alkoxy, (C1-C6) alkyl or halogen-substituted (C1-C6)-alkyl. Also disclosed is a process for preparing these compounds.
Les composés décrits répondent à la formule (I), dans laquelle R désigne alkyle (C¿1?-C¿20?) à chaîne droite ou ramifiée, phényle ou phényle CH¿2?, le groupe alkyle ou phényle pouvant également être substitué par halogène, alkyle (C¿1?-C¿4?), alcoxy (C¿1?-C¿4?), et R?1¿, R?2¿, R?3¿, R?4¿ désignent indépendamment hydrogène, halogène, OH, NO¿2?, alcoxy (C¿1?-C¿6?), alkyle (C¿1?-C¿6?) ou alkyle (C¿1?-C¿6?) substitué par halogène. L'invention concerne également un procédé de préparation de ces composés.
Krause Stefan
Neumann-Grimm Doris
Papenfuhs Theodor
Pfirmann Ralf
Clariant Gmbh
Fetherstonhaugh & Co.
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