反应详情

1-Chloro-3-(2,2-dibromo-vinyl)-2-ethyl-4-fluoro-benzene was prepared from 3-chloro-2-ethyl-6-fluoro-benzaldehyde, carbon tetrabromide and triphenylphosphine in analogy to Example 1d): colourless oil; 1H-NMR (CDCl3): 1.15 (3H, t, CH3), 2.72 (2H, q, CH2), 6.90 (1H, dd, ArH), 7.29 (1H, s, CH═CBr2), 7.33 (1H, dd, ArH).