6 M hexanes solution, 10 mmol) was treated with TMEDA (0.77 mL ,
AcOEt 9/1) as a pale yellow powder (yield: 31%): mp 118 °C; 1 H NMR (300 MHz, CDCl 3 ) 3.88 (s, 3H), chloropyridine according to the general procedure 1 and isolated (eluent: heptane Hz), 7.57 (d, 1H, J = 5.3 Hz), 8.33 (d, 1H, J = 5.3 Hz); 13 C NMR (75 MHzCH), pp.47-55 ,
OH not seen, 6.6 and 2.1 Hz), 7.21 (dd, 2H, J = 6.6 and 2.1 Hz), 7.31 (t, 1H, J = 1.0 Hz), 7.68 (t, 1H, J = 1.0 Hz), pp.6590-73 ,
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