反应详情

The product is made similarly to its analog in Example 1 from dicyclopentyl-phosphine-borane (10.6 g; 57.5 mmol.), n-butyl lithium (39.5 mL of 1.6 M solution; 63.3 mmol.) and 4-phenylcyclohexyl 4-methylbenzenesulfonate (22.8 g; 68.9 mmol.). Yield 14.5 g (74%). 31P{1H} NMR (δ, C6D6, ppm): 33.22 and 33.83 (broad); 1H NMR (δ, C6D6, ppm): 0.944 (m, 3H, BH3), 1.2-2.2 (m, 27H, cyclopentyl+cyclohexyl), 2.82 (m, 1H, PhCH), 7.0-7.25 (m, 5H, Ph).