Patent ID: 9200018
Filing Date: 2015-12-01
Classification: C07F

Abstract:
1. A one pot process for the preparation of aryl phosphorous compound of formula (I) comprising reacting o-(trimethylsilyl) aryl triflates (formula II) with phosphorous compound of formula (III) in presence of CsF in polar solvent under stirring for a period ranging between 4-35 h, concentrating and purifying to obtain aryl phosphorous compound of formula (I); wherein, R represents hydrogen, alkyl, alkenyl, alkynyl, halo, hydroxy, alkoxy, (un)substituted or substituted aryl, benzyl, (un)substituted or substituted heteroaryl, oxalane group, —O—CH R′ and R″ represent alkyl, benzyl, alkenyl, alkynyl, (un)substituted or substituted aryl, (un)substituted or substituted heteroaryl; ‘n’ is 0-2; ‘m’ is 0-2; with the proviso, when ‘m’ is 0, ‘n’ is 2; R represents hydrogen, alkyl, alkenyl, alkynyl, halo, hydroxy, alkoxy, (un)substituted or substituted aryl, benzyl, (un)substituted or substituted heteroaryl, oxalane group, —O—CH with the proviso, when ‘n’ is 1, ‘m’ is 1; R represents hydrogen, alkyl, alkenyl, alkynyl, halo, hydroxy, alkoxy, (un)substituted or substituted aryl, benzyl, (un)substituted or substituted heteroaryl, oxalane group, —O—CH with the proviso, when ‘n’ is 0, ‘m’ is 2; R represents hydrogen, alkyl, alkenyl, alkynyl, halo, hydroxy, alkoxy, (un)substituted or substituted aryl, benzyl, (un)substituted or substituted heteroaryl, oxalane group, —O—CH2—CH2—O, N—R and R″ represent alkyl, benzyl, alkenyl, alkynyl, (un)substituted or substituted aryl, (un)substituted or substituted heteroaryl.