B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 31/02 (2006.01) C07B 39/00 (2006.01) C07C 17/20 (2006.01) C07C 201/12 (2006.01) C07C 205/10 (2006.01) C07C 205/12 (2006.01) C07F 9/06 (2006.01) C07F 9/535 (2006.01)
Patent
CA 2442782
The invention concerns novel catalysts for aromatic nucleophilic substitution. Said catalysts are compounds of the general formula (I), wherein: R¿1?, R¿2?, R¿3?, R¿4?, R¿5?, and R¿6?, identical or different, are selected among hydrocarbon radicals; the Pn's, advantageously the same, are selected among metalloid elements of column V of a period higher than nitrogen; Z is a metalloid element of column V, advantageously distinct from Pn; preferably a nitrogen (N, P, As, Sb). The invention is applicable to organic synthesis.
La présente invention a pour objet de nouveaux catalyseurs de substitution nucléophile aromatique. Ces catalyseurs sont des composés de formule générale formule (I), où: a) R1, R2, R3, R4, R5, et R6, identiques ou différents, sont choisis parmi les radicaux hydrocarbonés; b) les Pn, avantageusement les mêmes, sont choisis parmi les éléments métalloïdes de la colonne V d'une période supérieure ô celle de l'azote; c) Z est un élément métalloïde de la colonne V, avantageusement distinct de Pn; de préférence un azote (N, P, As, Sb). Application à la synthèse organique.
Cristau Henri-Jean
Schanen Vincent
Taillefer Marc
Rhodia Chimie
Robic
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