“…322.6°C (dec); 1 H NMR (300.53 MHz, C 6 D 6 , 20°C): d (ppm) À0.38 (s, 3 H, AlMe), 1.11 (d, 3 J H-H = 6.7 Hz, 3 H, CHMe 2 ), 1.12 (m,4 H,AlO(CH 2 CH 2 ) 2 ), 1.15 (d, 3 J H-H = 6.7 Hz, 3 H, CHMe 2 ), 1. 18 (s, 9 H, CMe 3 ), 1.22 (s, 9 H, CMe 3 ), 1.26 (d, 3 J H-H = 6.7 Hz, 3 H, CHMe 2 ), 1.27 (d, 3 J H-H = 6.7 Hz, 3 H, CHMe 2 ), 1.42 (m,4 H,(O(CH 2 CH 2 ) 2 ), 1.44 (d, 3 J H-H = 6.7 Hz, 3 H, CHMe 2 ), 1.56 (s, 3 H, Me), 1.61 (s, 3 H, Me), 1.71 (d, 3 J H-H = 6.7 Hz, 3 H, CHMe 2 ), 1.72 (d, 3 J H-H = 6.7 Hz, 6 H, CHMe 2 ), 3.53 (m, 2 H, AlO(CH 2 CH 2 ) 2 ), 3.56 (sept, 3 J H-H = 6.7 Hz, 1 H, CHMe 2 ), 3.58 (m,4 H,(O(CH 2 CH 2 ) 2 ), 3.62 (sept, 3 J H-H = 6.7 Hz, 1 H, CHMe 2 ), 3.77 (m, 2 H, AlO(CH 2 CH 2 ) 2 ), 3.81 (sept, 3 J H-H = 6.7 Hz, 1 H, CHMe 2 ), 4.04 (sept, 3 J H-H = 6.7 Hz, 1 H, CHMe 2 ), 4.88 (s, 1 H, c-H), 6 H,; 13 124.2,124.5,125.0,126.8,127.4,127.9,141.0,141.0,144.9,145.3,145.4, 13 g mol -1 ): C,63.28;H,8.85;N,3.51. Found: C,63.0;H,8.6;N,3.2%.…”