“…1 H NMR (C 6 D 6 ): d 9.03 (s, 1H, NH), 7.87 (m, 4H, m-P-(C 6 H 5 ) 2 ), 7.31 (m,1H,PNC 6 H 4 ),3H,NC 6 H 3 ), 7.02-6.87 (m, 10H, o,p-P(C 6 H 5 ) 2 , PNC 6 H 4 , PC 6 H 4 N), 6.44 (m,1H,PC 6 H 4 N), 6.27 (m,1H,PC 6 H 4 N), 4.13 (sp, 1H, CHMe 2 ), 3.00 (sp, 2H, CHMe 2 ), 1.35 (d,6H,CH(CH 3 ) 2 ), 0.99 (d,6H,CH(CH 3 ) 2 ), 0.84 (d,6H,CH(CH 3 ) 2 ). 13 128.6,126.1,125.8,124.1,121.1,118.9,116.0,113.3 (8Ph),112.1,110.8 (2 quaternary aromatic) 28.6 (CHMe 2 ), 28.4 (CHMe 2 ), 24.3 (CH(CH 3 ) 2 ), 23.8 (CH(CH 3 ) 2 ), 23.2 (CH(CH 3 ) 2 ).…”