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# c19) United States c12) Patent Application Publication 

# Schanen et al. 

# (54) CATALYSTS FOR NUCLEOPHILIC SUBSTITUTION, SYNTHESIS THEREOF, COMPOSITION CONTAINING THEM AND USE THEREOF 

(75) Inventors: Vincent Schanen, Lyon (FR); Henri-Jean Cristau, Sait-Aunes (FR); Marc Taillefer, Vailhauques (FR) 

Correspondence Address: BUCHANAN, INGERSOLL & ROONEY PC POST OFFICE BOX 1404 ALEXANDRIA, VA 22313-1404 (US) 

(73) Assignee: RHODIA CHIMIE, AUBERVILLIERS (FR) 

(21) Appl. No.: 12/103,543 

(22) Filed: Apr. 15, 2008 

(60) Continuation of application No. 11/784,472, filed on Apr. 6, 2007, now abandoned, which is a division of applicationNo.10/472,912, filedonMar.1, 2004, now 

## Related U.S. Application Data 

<img src='content_image/936667.jpg'>

## (30) Foreign Application Priority Data 

<img src='content_image/936687.jpg'>

(51) Int. Cl. C07C 205/06 C07C 25113 (2006.01) (2006.01) 

(52) U.S. Cl. .......................... 568/938; 570/147; 568/937 

## (57) ABSTRACT 

The invention concerns novel catalysts for aromatic nucleo› philic substitution. Said catalysts are compounds of the gen› eral formula (I), wherein: Ri, 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. 

US 20080194886Al 

# c10) Pub. No.: US 2008/0194886 Al 

# (43) Pub. Date: Aug. 14, 2008 

Pat. No. 7,217,842, filed as application No. PCT/ FR02/01286 on Apr. 12, 2002. 

## Publication Classification 

