反应详情

Methyl α-[6-methyl-2,4-dichloro-5-pyrimidinyl]-acetate (4 g, 18 mmol), 3-hydroxybiphenyl (3 g, 18 mmol) and potassium carbonate (11 g, 80 mmol) in dimethylformamide (50 ml) are stirred at +80° C. for 2 hours. Workup as for example 1a) gives pure methyl α-[6-methyl-2-chloro-4-(3-phenylphenoxy)-5-pyrimidinyl]-acetate. 1H (CDCl3):7.65-7.05 (m, 9H); 3.82 (s, 2H); 3.76 (s, 3H); 2.52 (s, 3H).