“…IR (Nujol mull, 4000-400 cm -1 ): 945 (P-C), 1584 (C C), 3050 (ArC-H). 1 H NMR (300 MHz, C 6 D 6 , 296 K, ppm): 0.085 (dd, 3 J P,H = 3 J P¢,H = 7.9 Hz, 3H, MCH 3 ); 0.329 (s, 3H, MCH 3 ); 0.442 (d, 2 J P,H = 7.2 Hz, 9H, PMe 3 ); 0.591 (d, 2 J P,H = 7.8 Hz, 9H, PMe 3 ); 3.885-5.785 (m, 8H, C 5 H 4 ); 6.499-8.148 (m, 20H, C 6 H 5 ). 31 P NMR (121 MHz, C 6 D 6 , 296 K, ppm): 3.99 (d, 2 J P,P = 64.6 Hz, 1P, PMe 3 ); 30.25 (d, 2 J P,P = 48.2 Hz, 1P, PMe 3 ); 57.81 (d, 2 J P,P = 65.1 Hz, 1P, PPh 2 ); 62.05 (d, 2 J P,P = 52.4 Hz, 1P, PPh 2 ).…”