Patent ID: 7728176
Filing Date: 2010-06-01
Classification: B01J,C07C,C07F

Abstract:
1. A process for producing a phosphonium borate compound, which comprises the following steps 1 and 2: (step 1) reacting a phosphine with HCl to produce a phosphine hydrochloride, the phosphine being represented by Formula (II): wherein R R R R the phosphine hydrochloride being represented by Formula (III): wherein R (step 2) reacting the phosphine hydrochloride with a tetraarylborate compound represented by Formula (IV): wherein M is lithium, sodium, potassium, magnesium halide or calcium halide, and Ar is an aryl group of 6 to 20 carbon atoms; the phosphonium borate compound being represented by Formula (I): wherein R wherein step 1 is conducted in the absence of the tetraaryl borate compound used in step 2 and wherein the solution of the phosphine hydrochloride obtained in Step 1 and provided for step 2 is not subjected to concentration.