反应详情

1-Cyclopropyl-2-(2,2-dibromo-vinyl)-3-methyl-benzene was prepared from 2-cyclopropyl-6-methyl-benzaldehyde, carbon tetrabromide and triphenylphosphine in analogy to Example 1d): colourless oil; 1H-NMR (CDCl3): 0.69 (2H, m, CH2), 0.94 (2H, m, CH2), 1.87 (1H, m, CH), 2.26 (3H, s, CH3), 6.77 (1H, d, ArH), 7.03 (1H, d, ArH), 7.17 (1H, t, ArH), 7.52 (1H, s, CH═CBr2).