“…13 C NMR (CDCl 3 , 295 K, ppm): 160.4 (q, OCO, 2 J( 19 F, 13 C) ¼ 37.5 Hz); 143.0 (C(2 0 ), 2 J( 119 Sn, 13 C) ¼ 38.9 Hz); 139.1 (C(1 000 ), 1 J( 119 Sn, 13 C) ¼ 795.3 Hz); 138.3 (C(6 0 ), 2 J( 119 Sn, 13 C) ¼ 38.8 Hz); 136.6 (C(1 0 ), 1 J( 119 Sn, 13 C) ¼ 814.8 Hz); 136.1 (C(2 000 ), 2 J( 119 Sn,13 C) ¼ 45.3 Hz); 130.5 (C(4 0 )); 130.0 (C(4 000 )); 129.1 (C(3 000 ), 3 J( 119 Sn,13 C) ¼ 69.9 Hz); 128.7 (C(5 0 ), 3 J( 119 Sn, 13 C) ¼ 68.4 Hz); 127.5 (C(3 0 ), 3 J ( 119 Sn, 13 C) ¼ 64.0 Hz); 116.0 (q, CF 3 , 1 J( 19 F, 13 C) ¼ 290.0 Hz); 64.9 (CH 2 N); 46.0 (N(CH 3 ) 2 ). 19 F NMR (CDCl 3 , 300 K, ppm): À74.5. 119 …”